http://www.secuobs.com Observatoire de la securite Internet fr webmaster@secuobs.com 2016-01-06 08:51:56 - YourITronics : I recently reviewed the pcb manufacturing service from pcbcartcom and to make it more useful for the readers I compared some aspects with pcbs I got from OSH Park and Smart Prototyping So the read the full article please head on to my new blog by clicking here They were also nice enough to provide http://www.secuobs.com/revue/news/594935.shtmlhttp://www.secuobs.com/revue/news/594935.shtml Secuobs.com : 2015-09-27 09:54:29 - YourITronics - The goal for this project was to build it with mostly parts that I had in my lab instead of designing or buying something special so for this reason some hacking had to be done http://www.secuobs.com/revue/news/584795.shtmlhttp://www.secuobs.com/revue/news/584795.shtml Secuobs.com : 2015-09-16 11:59:59 - YourITronics - http://www.secuobs.com/revue/news/583676.shtmlhttp://www.secuobs.com/revue/news/583676.shtml Secuobs.com : 2015-08-05 09:05:57 - YourITronics - Thanks to the MSP430 used inside, In this video I calculate the MS6612 light meter should get up to 470 hours of continuous usage http://www.secuobs.com/revue/news/579354.shtmlhttp://www.secuobs.com/revue/news/579354.shtml Secuobs.com : 2015-05-04 19:11:48 - YourITronics - Another VoltLog InTheMail, this time I receive the following items ICR18650-26F 2600mAh 36V Rechargeable Li-ion Battery NCR18650B 3400mAh 37V Rechargeable Li-ion Battery 3S JST connector cable DC-DC 09V-5V USB Output Charger Step Up Power Module ESD Anti-Static Shielding ZIP LOCK Bags Mifare RC522 RFID Induction Reader Module 100 Pcs 0805 SMD LED Diode 5 Colors http://www.secuobs.com/revue/news/569639.shtmlhttp://www.secuobs.com/revue/news/569639.shtml Secuobs.com : 2015-04-01 09:33:19 - YourITronics - In this video I am switching my HP 3478A from 120V 60Hz AC to 230V 50Hz AC using the internal selection I am also comparing some voltage and resistance measurements to my Keithley 175 and I realize the HP needs calibration if I am to trust it s measurements While I was inside the meter I http://www.secuobs.com/revue/news/565580.shtmlhttp://www.secuobs.com/revue/news/565580.shtml Secuobs.com : 2015-03-23 17:40:26 - YourITronics - In this InTheMail segment I receive the HP 3478A 55 digit multimeter, a Probe Master 8028s test lead set, the Anker Astro E3 10000mAh portable battery charger and the Seagate Expansion 2TB external storage hard drive http://www.secuobs.com/revue/news/564521.shtmlhttp://www.secuobs.com/revue/news/564521.shtml Secuobs.com : 2015-03-16 12:13:32 - YourITronics - In this video I am assembling a 0-30V 0-3A Adjustable Linear Power Supply kit Will it work at first power on Or will Murphy get me this time Watch the video and see how I got myself into trouble I also reverse engineered and got a schematic of this kit which I am showing towards the http://www.secuobs.com/revue/news/563557.shtmlhttp://www.secuobs.com/revue/news/563557.shtml Secuobs.com : 2015-03-06 13:32:16 - YourITronics - A list of the items I show on this InTheMail video 24 inch 320 x 240 px TFT display module based on the ILI9341 lcd controller, complete with touchscreen, uSD card slot, 128Mbit flash, independent font chip and the required power circuitry ESP8266 modules 3 different variations , a small solar panel, waterproof enclosure and Li-ion battery http://www.secuobs.com/revue/news/562389.shtmlhttp://www.secuobs.com/revue/news/562389.shtml Secuobs.com : 2015-02-28 11:36:13 - YourITronics - In this video I am calibrating the Gophert CPS-3205C power supply using my Keithley 175 45 digit multimeter and my adjustable dummy load The calibration procedure is 1 Set the V A selector switch to A position, 2 Push the adjust knob then power on the power supply,the meter will display PUSH OFF, 3 Press the http://www.secuobs.com/revue/news/561587.shtmlhttp://www.secuobs.com/revue/news/561587.shtml Secuobs.com : 2015-02-22 17:51:34 - YourITronics - I got this HP Agilent E3611A from Ebay It was marked as not working and I was planing a repair video on it Unfortunately the unit turned out to be fully functional so I only did a teardown and calibration http://www.secuobs.com/revue/news/560676.shtmlhttp://www.secuobs.com/revue/news/560676.shtml Secuobs.com : 2015-02-20 14:13:25 - YourITronics - In this video I m opening up my mail items on camera I have the ESP8266 EVB from Olimex, an Edison vintage light bulb from ebay, WS2812 led pcb strip, LCD FPC various pitch breakout pcb, TL081 jfet opamp, breadboard jumper wire kit and the HP E3611A power supply http://www.secuobs.com/revue/news/560396.shtmlhttp://www.secuobs.com/revue/news/560396.shtml Secuobs.com : 2015-02-08 12:29:10 - YourITronics - In this episode I am unboxing the newly acquired Rigol DS1054Z This is not a review, I am just showing what you get inside the box if you plan to purchase one http://www.secuobs.com/revue/news/558559.shtmlhttp://www.secuobs.com/revue/news/558559.shtml Secuobs.com : 2015-01-21 12:20:03 - YourITronics - In this episode I will be repairing my AVR ISP MKII programmer by replacing the on-board boost converter TPS61020 and I will also upgrade the 6 pin ISP programming cable to 1m length http://www.secuobs.com/revue/news/555666.shtmlhttp://www.secuobs.com/revue/news/555666.shtml Secuobs.com : 2015-01-14 15:57:24 - YourITronics - I ve always wanted to do video blogs but never had the time or motivation to do it Recently I purchased a new power supply for my small lab and since there was no proper review of it on the internet I decided to do one myself and why not make a video out of itTo http://www.secuobs.com/revue/news/554618.shtmlhttp://www.secuobs.com/revue/news/554618.shtml Secuobs.com : 2014-04-05 10:35:41 - YourITronics - A while ago, Francesca from Element 14 kindly contacted me to ask if I wanted to receive some products from their catalog for review I said yes and since I already had a wishlist going on as most electronics guys have it was easy to pick up some products I also considered current and future http://www.secuobs.com/revue/news/506636.shtmlhttp://www.secuobs.com/revue/news/506636.shtml Secuobs.com : 2012-10-17 08:34:05 - YourITronics - Remember the Xprotolab XMEGA portable oscilloscope that I reviewed last year Well Gabriel Anzziani, the creator has put the project up on kickstarter The Xprotolab has been in development for several years, the hardware and firmware are stable Now its time to put the device in an enclosure and add a rechargeable battery A case http://www.secuobs.com/revue/news/406114.shtmlhttp://www.secuobs.com/revue/news/406114.shtml Secuobs.com : 2012-07-22 10:40:49 - YourITronics - This is a little project I made recently, I call it USB A to micro USB bridge and it does what the name says it s just a bridge between the USB A female connector and the female micro USB In the middle there is a DIL pin header that allows you to connect or disconnected http://www.secuobs.com/revue/news/388895.shtmlhttp://www.secuobs.com/revue/news/388895.shtml Secuobs.com : 2012-07-19 17:40:39 - YourITronics - As promised in my latest post I purchased the 5x5cm pcb prototype option from both Seeed and ITead in an attempt to compare the two services regarding PCB quality, e-test, shipping processing times As Ian from DP suggested in a comment the only difference I should expect to see is shipping processing time I m more interested in http://www.secuobs.com/revue/news/388431.shtmlhttp://www.secuobs.com/revue/news/388431.shtml Secuobs.com : 2012-06-13 14:07:34 - YourITronics - As promised in my latest post I purchased the 5x5cm pcb prototype option from both Seeed and ITead in an attempt to compare the two services regarding PCB quality, e-test, shipping processing times As Ian from DP suggested in a comment the only difference I should expect to see is shipping processing time I m more interested in http://www.secuobs.com/revue/news/381288.shtmlhttp://www.secuobs.com/revue/news/381288.shtml Secuobs.com : 2012-05-30 12:37:37 - YourITronics - Today I got this email from AlexXie which is a Marketing Manager at Itead Studio Hi, Sorry to trouble you We get some mails for asking about this blog http wwwyouritronicscom iteadstudio-false-electrical-test So , I thinks that I need to give out some reply about it First, sorry about the last mail, Sunny didn t make it clear Before, the factory http://www.secuobs.com/revue/news/378478.shtmlhttp://www.secuobs.com/revue/news/378478.shtml Secuobs.com : 2012-03-26 22:42:51 - YourITronics - I recently had a batch of 10 pcb s for an ongoing project fabricated with iteadstudio pcb prototyping service They guarantee 100pourcents electrical test on their product page One month later I receive the pcb s and decided to watch them under a microscope for inspection I wasn t particularly checking for the e-test, I was more interested http://www.secuobs.com/revue/news/366242.shtmlhttp://www.secuobs.com/revue/news/366242.shtml Secuobs.com : 2011-10-06 22:23:33 - YourITronics - Digilent just launched the Cerebot MC7 development board It is based on the Microchip powerful dsPIC33FJ128MC706A digital signal processor and it features 4 onboard half bridges circuits rated for up to 25V 4A Compared to their previous development boards based on Microchip microcontrollers like the PIC32 this one has a dedicated DSP which should improve http://www.secuobs.com/revue/news/333190.shtmlhttp://www.secuobs.com/revue/news/333190.shtml Secuobs.com : 2011-10-05 18:56:30 - YourITronics - Youritronics is a proud sponsor of the 7400 Logic Competition We are giving away CP2103 serial to USB adapter with GPIO TMP275 Digital Temperature Sensor MPL115A2 pressure sensor breakout If you have a project based on 74XX logic circuits you should register for the competition There s about 3 weeks left before judging begins on October 21, http://www.secuobs.com/revue/news/332891.shtmlhttp://www.secuobs.com/revue/news/332891.shtml Secuobs.com : 2011-09-16 19:05:33 - YourITronics - tinyIMU V2 is a sensor unit useful for building quadrocopters or other platforms where you need to know the orientation of the given platform It uses the MMA7455 3-axis accelerometer from Freescale with 10 bit output and the ITG3200 3-axis gyroscope from Invensense with 16 bit output The PCB was designed to be as small http://www.secuobs.com/revue/news/329363.shtmlhttp://www.secuobs.com/revue/news/329363.shtml Secuobs.com : 2011-09-14 14:54:08 - YourITronics - This was actually the first time I ever needed to multiplex analog channels so it was a good opportunity to learn how to use them My task was to measure the temperature of 32 thermistors NTC with a microcontroller and later process that data Obviously you cant find that much analog input channels on your common microcontroller http://www.secuobs.com/revue/news/328800.shtmlhttp://www.secuobs.com/revue/news/328800.shtml Secuobs.com : 2011-08-06 11:14:56 - YourITronics - I spent the past 3 hours debugging my code that was absolutely fine So just a quick note for everybody who s working on pic32 s, if you re using any math functions you have to include mathh it is not enough to include the peripheral library plibh The compiler won t complain but you will get garbage out http://www.secuobs.com/revue/news/321473.shtmlhttp://www.secuobs.com/revue/news/321473.shtml Secuobs.com : 2011-07-27 12:06:34 - YourITronics - I bought this multimeter Minipa ET-870C a while ago for 17, great value I got it because its nice to have around multiple meters for when you wanna measure both input and output voltage current I believe it was advertised to have an auto-off feature for 15 mins but it didn t This eventually lead to many drained http://www.secuobs.com/revue/news/319459.shtmlhttp://www.secuobs.com/revue/news/319459.shtml Secuobs.com : 2011-07-18 09:27:46 - YourITronics - I was looking around for a small case to put by Bus Pirate in and I found these Microchip sample bins in which the Bus Pirate fits just nice No need to make any openings cause I ll only be using it for storage probably Checkout the pics below http://www.secuobs.com/revue/news/317516.shtmlhttp://www.secuobs.com/revue/news/317516.shtml Secuobs.com : 2011-07-16 10:27:29 - YourITronics - So in my last post I was telling you how I managed to mess up the ATAVRSBIN1 I got from Atmel during a crash with the quad After the crash I noticed it didn t respond any more so I hooked it to my Bus-Pirate and the result of a search on the bus was not http://www.secuobs.com/revue/news/317354.shtmlhttp://www.secuobs.com/revue/news/317354.shtml Secuobs.com : 2011-07-09 20:05:50 - YourITronics - If you ever get the message Entering programming mode FAILED while trying to program your AVR device don t start messing with your MKII or upgrade its firmware 10 times or messing with the windows drivers like I did, cause that s probably not the cause and you risk damaging you re perfectly working MKII As it turns http://www.secuobs.com/revue/news/316079.shtmlhttp://www.secuobs.com/revue/news/316079.shtml Secuobs.com : 2011-02-26 16:18:07 - YourITronics - I ve been pretty busy lately working on the latest spectrum analyzer V21 Its available in the online shop if you are interested in getting one Here are some videos bellow with the new blue LED s and with a half green half red display I have also been working on the new expansion board pictured bellow The Expansion http://www.secuobs.com/revue/news/287892.shtmlhttp://www.secuobs.com/revue/news/287892.shtml Secuobs.com : 2011-02-06 23:15:03 - YourITronics - When Gabriel Anzziani from gabotronicscom asked me if I would like to do a review of the XMEGA Xprotolab I said yes because although these small devices cannot replace a real tool in an electronics lab, they often serve as development boards for the devices used on them The Xprotolab is a miniature mixed signal http://www.secuobs.com/revue/news/283297.shtmlhttp://www.secuobs.com/revue/news/283297.shtml Secuobs.com : 2011-01-20 11:25:30 - YourITronics - Jeri Ellsworth and Chris Gammell are preparing the 555 Contest Not enough details released yet but you can suggest your own ideas for contest categories It should get pretty interesting as the contestants struggle to be creative with a 555 Maybe you re asking how many 555 based ideas can be I m sure this contest will http://www.secuobs.com/revue/news/279531.shtmlhttp://www.secuobs.com/revue/news/279531.shtml Secuobs.com : 2010-12-14 21:50:10 - YourITronics - Pretty much every time I tried to work with some sort of digital interface I run into some kind of trouble where a logic analyzer would have saved me hours of blind debugging and posting to various forums Same thing happened when I decided to try the TMP121 temperature sensor from TI which has an http://www.secuobs.com/revue/news/271673.shtmlhttp://www.secuobs.com/revue/news/271673.shtml Secuobs.com : 2010-12-07 18:36:33 - YourITronics - I first heard of it from Ian, I ve gotta say this opens allot of possibilities for people to work with the MSP430 Grace is a graphical configuration tool for MSP430 developers for setting up integrated peripherals such as ADCs, OpAmps, Timers, Clocks, and other modules This tool is a free and open source, eclipse-based plug-in http://www.secuobs.com/revue/news/269986.shtmlhttp://www.secuobs.com/revue/news/269986.shtml Secuobs.com : 2010-11-07 14:01:28 - YourITronics - The Logitech Z-2300 is a 200 watt THX -certified 21 speaker system with a 8-inch long-throw subwoofer I m not going to tell you about how good or bad the system is because this is not a review, there are plenty of good reviews out there, just google for one My Z-2300 worked perfectly for about 2 http://www.secuobs.com/revue/news/263028.shtmlhttp://www.secuobs.com/revue/news/263028.shtml Secuobs.com : 2010-10-31 09:22:52 - YourITronics - The new MPLAB X IDE from Microchip, still beta looks pretty cool and with new functions like code auto-complete, the ability to preselect which tools are used on which project, history, its gonna be a hit I think the most useful function in MPLAB X is the history which allows you to go back and http://www.secuobs.com/revue/news/261294.shtmlhttp://www.secuobs.com/revue/news/261294.shtml Secuobs.com : 2010-10-30 18:31:31 - YourITronics - Since I was working with the ST1S10 for an upcoming project I decided to publish this little calculator The ST1S10 is one of the cheapest if not the cheapest 3 A, 900 kHz, monolithic synchronous step-down regulator The high frequency switching allows the use of tiny SMD components so the board space taken by this regulator http://www.secuobs.com/revue/news/261233.shtmlhttp://www.secuobs.com/revue/news/261233.shtml Secuobs.com : 2010-10-26 09:52:55 - YourITronics - I wanted to test if its possible to have a magnetic-less ethernet connection for an upcoming project Why magnetic-less you might ask, well space weight is critical for my application and since both devices will be present on the same PCB, why not skip the magnetics and reduce space weight I have to http://www.secuobs.com/revue/news/259890.shtmlhttp://www.secuobs.com/revue/news/259890.shtml Secuobs.com : 2010-10-15 21:58:38 - YourITronics - In this article I continue my project where I needed a constant current source In the previous article I talked about the first approach the LM317 constant current source which didn t worked out that well but could of been improved as suggested by some of my readers in the comments So I decided to use http://www.secuobs.com/revue/news/257431.shtmlhttp://www.secuobs.com/revue/news/257431.shtml Secuobs.com : 2010-10-02 13:34:50 - YourITronics - Recently a friend of mine asked my help about replacing some 12V light bulbs with LED s for longer battery life After doing some searches the cheapest solution was to use a bunch of 5 mm white LED s powered from a constant current source A constant current source is not cheap to buy and since were http://www.secuobs.com/revue/news/253738.shtmlhttp://www.secuobs.com/revue/news/253738.shtml Secuobs.com : 2010-09-17 12:21:46 - YourITronics - DangerousPrototypes have this short clean tutorial on how to use TortoiseSVN You will learn how to grab the latest source and contribute code to your favorite open source projects http://www.secuobs.com/revue/news/248788.shtmlhttp://www.secuobs.com/revue/news/248788.shtml Secuobs.com : 2010-09-17 12:21:46 - YourITronics - Well its actually a line following mini-tank, cause were talking about a small one not the real size ones This must be simplest line follower device because it uses just an analog circuit to follow the line, you might even call it old school, no modern microcontroller are used The IR Emitter LED and http://www.secuobs.com/revue/news/248787.shtmlhttp://www.secuobs.com/revue/news/248787.shtml Secuobs.com : 2010-09-17 12:21:46 - YourITronics - Daniel Garcia from Protostack, the guy who sent us an ATmega8 dev board a while ago for review, wrote a tutorial on how to use the atmega168 external interrupts The tutorial is quite nice and you should know the way around external interrupts at the end of it The general principles apply to other AVR http://www.secuobs.com/revue/news/248786.shtmlhttp://www.secuobs.com/revue/news/248786.shtml Secuobs.com : 2010-09-17 01:55:24 - YourITronics - The Youritronics electronics lab has a new look 2 new benches and shelves all of them hand-built When space is an issue you really have to make the most out of it One thing is sure, I need more Ikea plastic boxes On the first bench I do most of the electronics stuff while on the http://www.secuobs.com/revue/news/247847.shtmlhttp://www.secuobs.com/revue/news/247847.shtml Secuobs.com : 2010-09-17 01:55:24 - YourITronics - For an upcoming project I ll be needing a brushless dc motor controller so I had to choose between purchasing one more than 4 actually and adapt my system around those or design build one that would best fit my system Obviously I went with the second option for 2 reasons I like making stuff http://www.secuobs.com/revue/news/247846.shtmlhttp://www.secuobs.com/revue/news/247846.shtml Secuobs.com : 2010-05-26 11:30:13 - YourITronics - The past few months I ve been working on the project for the Digilent Design Contest so I was quite busy Together with my colleague Dragos I worked allot on this project but the results were great, our project the BlueRover won the 1st place so I say it was well worth it First of all Digilent provided http://www.secuobs.com/revue/news/225773.shtmlhttp://www.secuobs.com/revue/news/225773.shtml Secuobs.com : 2010-04-22 10:28:13 - YourITronics - Sparkfun has a really interesting article about some ATmega328 from China which proved to be slugs This all started back in December of 2009 with the global crisis of ATmega328 in both DIP and surface mount packages To avoid getting out of stock Sparkfun ordered these from a supplier in China which until http://www.secuobs.com/revue/news/214843.shtmlhttp://www.secuobs.com/revue/news/214843.shtml Secuobs.com : 2010-03-13 17:45:26 - YourITronics - If you make a lot of prototyping, especially with SMD components like myself you need to make for each design its own pcb With SMD s the one layer design usually isn t feasible and since the component pins doesn t run trough the board the double layer approach results in many vias, even for a simple schematic http://www.secuobs.com/revue/news/201374.shtmlhttp://www.secuobs.com/revue/news/201374.shtml Secuobs.com : 2010-02-23 22:49:42 - YourITronics - 5000 Free STM8S-Discovery Kits, this is the way STM is trying to get loud about the upcoming embedded world 2010 in Nuremberg The STM8S-Discovery is a quick-start evaluation board based on the STM8S105C6T6 It includes the embedded debugger ST-LINK and one touch-sensing button which help you to discover the STM8 features I find this a very attractive http://www.secuobs.com/revue/news/194839.shtmlhttp://www.secuobs.com/revue/news/194839.shtml Secuobs.com : 2010-02-18 00:21:47 - YourITronics - Miguel writes The analyzer has become my best travel companion It s very discrete everyone think you are playing with a mobile phone You can see in a moment what are the used frecuencies channels at your location One of the most interesting things if to carry it in the pocket in exposure mode and http://www.secuobs.com/revue/news/192972.shtmlhttp://www.secuobs.com/revue/news/192972.shtml Secuobs.com : 2010-02-11 13:40:30 - YourITronics - You may recall, almost a year ago we did a review of Protostack s ATmega8 development kit You can read the original review here Well it turns out that they have been busily churning out new versions of this board, with version 14 being released, just the other week This version has got many improvements over http://www.secuobs.com/revue/news/190877.shtmlhttp://www.secuobs.com/revue/news/190877.shtml Secuobs.com : 2010-02-04 23:40:10 - YourITronics - This pocket sized mp3 player is based on Microchip PIC16F877 and comes with both C and Assembly source code but the C code version has more features and stability The mp3 player was designed to work with compact flash cards up to 100 gigabytes For decoding it uses the VS1001K chip and for conversion it http://www.secuobs.com/revue/news/188742.shtmlhttp://www.secuobs.com/revue/news/188742.shtml Secuobs.com : 2010-01-24 23:19:12 - YourITronics - This has to be one of the most well equipped shops I ve ever seen At the moment I don t have the space to host such a well equipped shop so I have to deal with the minimum requirements but someday I hope I ll have the space to equip my shop with such a variety of http://www.secuobs.com/revue/news/184921.shtmlhttp://www.secuobs.com/revue/news/184921.shtml Secuobs.com : 2009-12-31 18:39:02 - YourITronics - This is the last post for 2009 and I promise there will be much more in 2010 In 2009 we had some interesting projects developed here at youritronicscom here is some of the highlights 20 Band Audio Spectrum Analyzer The analyzer is currently at v20 and it has allot more features then it originally had Kits are http://www.secuobs.com/revue/news/177155.shtmlhttp://www.secuobs.com/revue/news/177155.shtml Secuobs.com : 2009-12-31 01:25:37 - YourITronics - I would like to wish my readers a Happy New Year and may all your wishes come true As you may have experienced, during the holidays, hobbyists get some free time and they like spending it building stuff In this case the author, Infernoz, build this 8 LED POV display, which seems like a fun http://www.secuobs.com/revue/news/176912.shtmlhttp://www.secuobs.com/revue/news/176912.shtml Secuobs.com : 2009-11-26 17:58:55 - YourITronics - If your celebrating with family or friends or both may your turkey be tasty Happy Thanksgiving Related posts No related posts http://www.secuobs.com/revue/news/165538.shtmlhttp://www.secuobs.com/revue/news/165538.shtml Secuobs.com : 2009-11-24 15:00:49 - YourITronics - That is an officer of the law holding a modified pin pad discovered in Waterloo, Ontario, Canada You can barely see it in this image but among other mods the pin pad has a BlueSmirf module attached to it This allows someone sitting within 100 feet away to capture all of the information transmitted by http://www.secuobs.com/revue/news/164530.shtmlhttp://www.secuobs.com/revue/news/164530.shtml Secuobs.com : 2009-11-17 17:12:04 - YourITronics - Chumby One was just announced on bunnie s blog You can get it now for 99 pre-order price but once they start shipping the price will go up to 119 You can read here about the story behing Chumby One and how bunnie tried to keep the price low by using every feature of this new http://www.secuobs.com/revue/news/161683.shtmlhttp://www.secuobs.com/revue/news/161683.shtml Secuobs.com : 2009-11-04 17:19:54 - YourITronics - 320 240 LCD with resistive touch screen, USB, SD card, 3d engine, USB, movie playback, UI interface, sprite engine , would you believe all of this is handled by an AVR 8 bit device with 4K RAM running at just 12 MHz You d better believe it because it s real Well the ATmega644 runs at only http://www.secuobs.com/revue/news/157298.shtmlhttp://www.secuobs.com/revue/news/157298.shtml Secuobs.com : 2009-11-03 14:20:33 - YourITronics - As I told you in my previous post I visited a small museum of technology in Paris So here are the pictures I took as you can see allot of the museum is about Apple and their progress troughout the years Related posts New WiFi camera technology using WiFi memory card 9 http://www.secuobs.com/revue/news/156679.shtmlhttp://www.secuobs.com/revue/news/156679.shtml Secuobs.com : 2009-11-02 19:01:06 - YourITronics - Since I m in France I went sightseeing and I came across the Museum of Technology located on the top floor of the Grande Arche de la Défense It s not a big museum but I saw some interesting things there I have a set of pictures that I will post here but first I would like http://www.secuobs.com/revue/news/156277.shtmlhttp://www.secuobs.com/revue/news/156277.shtml Secuobs.com : 2009-10-27 01:03:50 - YourITronics - SparkFun announced this Friday on their news section I feel bad that someone who is so much into open-source is getting accused of a trademark infringement when they don t even have anything to do with it Apparently SPARC s lawyers believe and I quote Because the dominant portion of the SparkFun mark, namely, SPARK, is phonetically identical http://www.secuobs.com/revue/news/154316.shtmlhttp://www.secuobs.com/revue/news/154316.shtml Secuobs.com : 2009-10-20 17:06:35 - YourITronics - I was really interested about it when Seeed Studio first announced the DSO nano on their blog, unfortunately I was not able to get one of the beta s which they offered in a limited number at a lower price The specs they released don t advertise for too much power from this portable but it s style http://www.secuobs.com/revue/news/152238.shtmlhttp://www.secuobs.com/revue/news/152238.shtml Secuobs.com : 2009-09-14 22:22:15 - YourITronics - Since I started being interested in audio, I ve seen all kinds of speaker designs, weird arrangements and weird geometries From all those speakers, in terms of extremely low frequency reproduction the best ones where the infinite baffle subwoofers Those setups go easily down to frequencies like 10Hz You may say these figures are useless with http://www.secuobs.com/revue/news/140786.shtmlhttp://www.secuobs.com/revue/news/140786.shtml Secuobs.com : 2009-09-13 18:40:31 - YourITronics - This project illustrates the interfacing of a HD44780 based LCD to the Xilinx Spartan-2 XCS200 FPGA using delayed Finite State Machine FSM While using a microcontroller to display text on the LCD is a fairly simple task, interfacing the LCD with a programmable logic device is a different story The FSM controls the timing and http://www.secuobs.com/revue/news/140500.shtmlhttp://www.secuobs.com/revue/news/140500.shtml Secuobs.com : 2009-09-08 23:29:13 - YourITronics - I ve always thought certain sound pressure levels need to be achieved in order to be engulfed in music This effect is most noticeable when music comes from loudspeakers and that is because when sound is played at low levels, the perception is affected by ambient noise Even late at night when things are quiet and http://www.secuobs.com/revue/news/138862.shtmlhttp://www.secuobs.com/revue/news/138862.shtml Secuobs.com : 2009-08-31 17:55:07 - YourITronics - Another interesting FPGA-based project, this is a Logic Analyzer that is designed to make samples of 24 logic channels and stream the data to a computer for subsequent processing The device connects to the PC using the USB 20 port and supports high transfer rates The FPGA mentioned is the EP2C5T144C7N model of Cyclone II device http://www.secuobs.com/revue/news/136180.shtmlhttp://www.secuobs.com/revue/news/136180.shtml Secuobs.com : 2009-08-29 13:23:36 - YourITronics - Released by Atari in 1972, Pong was a simple video game that became a huge commercial success and is actually considered the game that started the whole video game industry Pong has simple 2D black-and-white graphics and involves hitting a ball with a paddle located on one side of the screen, simulating table tennis It http://www.secuobs.com/revue/news/135902.shtmlhttp://www.secuobs.com/revue/news/135902.shtml Secuobs.com : 2009-08-28 14:26:15 - YourITronics - There are countless MP3 players projects out there, and building your own is not the most difficult task a portable music player enthusiast can undertake What s different about this project right here though is the fact that it s designer claims it s faster and cheaper than all the others That may or may not be true, http://www.secuobs.com/revue/news/135558.shtmlhttp://www.secuobs.com/revue/news/135558.shtml Secuobs.com : 2009-08-27 17:23:47 - YourITronics - You want to learn more about DC to DC boost converters Here is a good and practical application of such converters, an LED tail light for your bicycle Why do you need a boost converter for that you might ask, when you can simply have a battery power up some LEDs Well, this way you http://www.secuobs.com/revue/news/135189.shtmlhttp://www.secuobs.com/revue/news/135189.shtml Secuobs.com : 2009-08-26 18:21:21 - YourITronics - Toy cars are something that everybody has encountered during the childhood and even a non-car enthusiast like myself has had his share of toy car playing, racing, garage and road building and all that good stuff You d think that something like this would be more suited for kids, but what if you re a grown-up, you http://www.secuobs.com/revue/news/134781.shtmlhttp://www.secuobs.com/revue/news/134781.shtml Secuobs.com : 2009-08-26 01:02:08 - YourITronics - Yet another car related project, this is the AVR J1850 VPW Interface which was designed as an On Board Diagnostic tool for car monitoring The brain of the device is again the ATmega8 AVR microcontroller from Atmel, with 8KB of flash memory this is more than enough for all kinds of features, since the basic http://www.secuobs.com/revue/news/134446.shtmlhttp://www.secuobs.com/revue/news/134446.shtml Secuobs.com : 2009-08-26 01:02:08 - YourITronics - Remember those discussions about transmitting electricity wireless, they all concluded that it was just not efficient enough to be worth building such a system Well it appears things have changed because in this video Eric Giler the CEO of MIT-inspired WiTricity, presents us with a new concept for transmitting electricity wireless It s really interesting because they ve http://www.secuobs.com/revue/news/134445.shtmlhttp://www.secuobs.com/revue/news/134445.shtml Secuobs.com : 2009-08-24 13:49:02 - YourITronics - Yesterday I wrote an article about an Atmel based Sony Unilink interface and today it s another Unilink project, this time based on Becker car radios For those who do not know, Becker is an important manufacturer of car radios and car navigation devices and it s based in the UK Becker made the first car radio, http://www.secuobs.com/revue/news/133702.shtmlhttp://www.secuobs.com/revue/news/133702.shtml Secuobs.com : 2009-08-23 14:25:26 - YourITronics - Thomas Bethe built an audio hi-fi amplifier using two TDA2050 integrated chips I haven t seen these chips used in projects in a while, because it s pretty known that TDA2030, TDA2040, TDA2050 chip family is not the best so to say I remember some years ago, a local factory was building hi-fi amps using these chips http://www.secuobs.com/revue/news/133551.shtmlhttp://www.secuobs.com/revue/news/133551.shtml Secuobs.com : 2009-08-23 01:40:56 - YourITronics - The Sony Unilink protocol is usually meant to control the CD-player of an automobile and can also perform other various tasks The Sony Unilink protocol can be used to connect other auxiliary devices to your car stereo these devices vary from CD shuttles to iPods This project is an AVR Sony Unilink interface based on the http://www.secuobs.com/revue/news/133499.shtmlhttp://www.secuobs.com/revue/news/133499.shtml Secuobs.com : 2009-08-21 02:29:13 - YourITronics - Here is a project for music lovers Although electronic tube or valve era is long passed, these devices are still used in high quality audio applications It is true that you won t wont find them in every home because their regarded as obsolete or too exotic Guitar players are the ones who know and appreciate http://www.secuobs.com/revue/news/133019.shtmlhttp://www.secuobs.com/revue/news/133019.shtml Secuobs.com : 2009-08-19 23:36:02 - YourITronics - This is a AVR based joystick that connects to the PC via the USB port The device utilizes the ATmega8, the 8-bit microcontroller from Atmel and is capable of movement on 8 axis with its analog inputs The joystick also has 28 buttons for various uses and is fully plug and play, being immediately recognized http://www.secuobs.com/revue/news/132520.shtmlhttp://www.secuobs.com/revue/news/132520.shtml Secuobs.com : 2009-08-18 19:35:43 - YourITronics - As i said in part 1 of this project i wanted to build a 21 system with good sound using most of the components i already owned and keeping the costs as low as possible Since the satellite speakers are not going to be used below 100Hz you can fit almost any 65 woofer in http://www.secuobs.com/revue/news/132034.shtmlhttp://www.secuobs.com/revue/news/132034.shtml Secuobs.com : 2009-08-17 00:09:00 - YourITronics - The N97 touchscreen smartphone from Nokia was announced at the end of 2008 and was released earlier this year With quite an impressive set of features that would satisfy even the pickiest of mobile phone users, the N97 has its share of flaws that can be very disappointing when counting on the phone to get http://www.secuobs.com/revue/news/131406.shtmlhttp://www.secuobs.com/revue/news/131406.shtml Secuobs.com : 2009-08-15 20:30:58 - YourITronics - Bruno dropped an email to let us know about his project, a pong game controlled by an arduino and displayed on a 8 8 blue dot matrix Related posts No related posts http://www.secuobs.com/revue/news/131241.shtmlhttp://www.secuobs.com/revue/news/131241.shtml Secuobs.com : 2009-08-15 20:30:58 - YourITronics - If you re an amateur photographer and own an entry-level Nikon DSLR, you might be dissatisfied with the lack of certain features these models have, which can be quite disappointing since high-end cameras are pretty expensive But there is something that can be done The cameras have an infrared sensor that can be utilized with great http://www.secuobs.com/revue/news/131240.shtmlhttp://www.secuobs.com/revue/news/131240.shtml Secuobs.com : 2009-08-13 06:54:51 - YourITronics - A great tool for microcontroller hacking activities you might want to take on in the future is the Baudrate Converter, a device that automatically detects the baud rate of an MCU-based device you wish to hack Using this method makes things a lot easier, so you don t have to detect the actual baud rate using http://www.secuobs.com/revue/news/130509.shtmlhttp://www.secuobs.com/revue/news/130509.shtml Secuobs.com : 2009-08-08 06:32:25 - YourITronics - Self Edge NYC, a New York supplier of denim clothing and other accessories, has launched a new payment system based on Apple s iPhone The system is named Square and it requires no ink or paper to complete a credit card transaction between a store employee and a customer This new payment processing method basically consists of http://www.secuobs.com/revue/news/129177.shtmlhttp://www.secuobs.com/revue/news/129177.shtml Secuobs.com : 2009-08-07 16:32:19 - YourITronics - A fairly simple and extremely useful project, this USB dual trace scope can help a great deal in testing and verifying all sorts of electronic projects you might want to develop It s easy to build, easy to use if you have a computer running Windows and NET framework installed and it replaces much more expensive http://www.secuobs.com/revue/news/128949.shtmlhttp://www.secuobs.com/revue/news/128949.shtml Secuobs.com : 2009-08-04 02:58:27 - YourITronics - In many cases you want to add some input interface to the project, the most simple is to use some push-buttons but what if you need to set some values, some of you might say you can do it with up-down, left-right, select button and some clever menu Yes that s about right but just imagine http://www.secuobs.com/revue/news/127690.shtmlhttp://www.secuobs.com/revue/news/127690.shtml Secuobs.com : 2009-08-02 13:59:12 - YourITronics - Used in the construction of mobile robots for collision detection mechanisms or moving joints, but also in other various physics experiments and applications and even in the gaming industry a good example of this is the Power Glove, released by Nintendo in the late 80s , flex sensors are basically devices that change their resistance when http://www.secuobs.com/revue/news/127305.shtmlhttp://www.secuobs.com/revue/news/127305.shtml Secuobs.com : 2009-08-01 17:03:26 - YourITronics - Mostly seen hanging on the doctor s neck when visiting the hospital or a medical clinic, but also used by every student that studies medicine, the stethoscope is perhaps the most common item associated with the medical profession, along with the white robe It is primarily used for auscultation, which is listening to the internal sounds http://www.secuobs.com/revue/news/127189.shtmlhttp://www.secuobs.com/revue/news/127189.shtml Secuobs.com : 2009-07-31 16:35:05 - YourITronics - Remember the Loving Little Braitenberg Vehicle I wrote about last month Well, it seems that it has an even smaller little brother that only weighs 17 grams And besides being in love with light, this itty-bitty Braitenberg vehicle can also show a different behaviour being aggressive towards it The vehicle has its own custom PCB http://www.secuobs.com/revue/news/126946.shtmlhttp://www.secuobs.com/revue/news/126946.shtml Secuobs.com : 2009-07-30 19:20:30 - YourITronics - An FPGA is a device that can be programmed using HDL hardware description language, either VHDL or Verilog source code to implement various logical functions of application-specific integrated circuits ASICs As the name implies field-programmable gate array the device can be programmed subsequent to manufacturing The beta code-name for this baby is Mimzy and it is http://www.secuobs.com/revue/news/126613.shtmlhttp://www.secuobs.com/revue/news/126613.shtml Secuobs.com : 2009-07-30 19:20:30 - YourITronics - For all tweeter users that possess some hardware hacking skills, this is the Tweeter Wireless Display It is basically a modified wireless router, stripped of its original case and mounted on a custom made wooden chassis The text is displayed on a small screen which is mounted on the top side of the chassis The router http://www.secuobs.com/revue/news/126612.shtmlhttp://www.secuobs.com/revue/news/126612.shtml Secuobs.com : 2009-07-29 17:35:38 - YourITronics - Used in a variety of places, data acquisition or DAQ is an important process which consists of sampling various physical properties like temperature, pressure or light intensity and processing them, thus providing data suitable for a computer to work with This is done using sensors that convert different real-world parameters into electrical signals which are http://www.secuobs.com/revue/news/126189.shtmlhttp://www.secuobs.com/revue/news/126189.shtml Secuobs.com : 2009-07-29 02:27:10 - YourITronics - A while ago I ve talked about a Solar Recharger for iPodTouch that could be used to recharge an iPhone or an iPodTouch with great success Now, if you have other devices that can be charged using a USB port and you enjoy the idea of using solar energy, you might wanna try this Solar USB http://www.secuobs.com/revue/news/126003.shtmlhttp://www.secuobs.com/revue/news/126003.shtml Secuobs.com : 2009-07-27 05:23:11 - YourITronics - Also entitled Arduino LCD Backpack Sandwich by its illustrious creator, this is a simple do-it-yourself project using an Arduino microcontroller and a small LCD display The MCU runs at 16Mhz thanks to the ceramic resonator the light-brown one, located near the microcontroller The LCD is an alphanumeric one with two lines of 16 characters the http://www.secuobs.com/revue/news/125254.shtmlhttp://www.secuobs.com/revue/news/125254.shtml Secuobs.com : 2009-07-26 03:44:37 - YourITronics - A persistence of vision POV display is a device that creates an apparently still image using rotating LEDs with great speed The human eye is not able to distinguish every image individually, so the picture formed appears as a solid image The POV phenomenon is not a new discovery and a lot of POV display http://www.secuobs.com/revue/news/124787.shtmlhttp://www.secuobs.com/revue/news/124787.shtml Secuobs.com : 2009-07-24 02:28:03 - YourITronics - An older project but quite interesting nevertheless , this is an RDS decoder that is able to display various information on a 2 lines with 16 characters alphanumeric LCD The decoder is connected to an old radio receiver and was originally designed to use the Atmel AT90S2313 as its brain, coupled with TDA7330B RDS demodulator as http://www.secuobs.com/revue/news/124224.shtmlhttp://www.secuobs.com/revue/news/124224.shtml Secuobs.com : 2009-07-24 02:28:03 - YourITronics - Bricogeek droped me an email to let me know they re hosting a contest where participants are requiered to design a game with an Arduino board You can use any version of the boards available but it must be playable so the user can interact with the game You can submit your project, one per person, http://www.secuobs.com/revue/news/124223.shtmlhttp://www.secuobs.com/revue/news/124223.shtml Secuobs.com : 2009-07-19 01:07:23 - YourITronics - Have you ever found yourself in a situation where you wanted to talk about something important or just simply wanted some peace and quiet while enjoying your drink and a damn TV wouldn t shut up Chances are you have But from now on, you can use this little gadget to silence those TV sets that http://www.secuobs.com/revue/news/122247.shtmlhttp://www.secuobs.com/revue/news/122247.shtml Secuobs.com : 2009-07-16 22:53:25 - YourITronics - One of the most important and available renewable energy sources is the solar power and it is believed that covering 4pourcents of the Earth s desert area with photovoltaic cells cells that convert light into electric current could provide enough electricity for the whole world Using it may not be that easy, but solar power can http://www.secuobs.com/revue/news/121610.shtmlhttp://www.secuobs.com/revue/news/121610.shtml Secuobs.com : 2009-07-14 22:43:39 - YourITronics - The Arduino Nano 30 is an Arduino-based electronics board that is designed to be mounted on a breadboard and can be accessed using the integrated USB port This new version of the Nano features the Atmel ATmega328 microcontroller, which has more RAM and flash memory than its predecessor ATmega168 and costs 35, cheaper than the http://www.secuobs.com/revue/news/120581.shtmlhttp://www.secuobs.com/revue/news/120581.shtml Secuobs.com : 2009-07-13 22:22:25 - YourITronics - A valuable item in a hardware enthusiast s arsenal, an ultra violet LED exposure box can be used with good results in making quality PCBs LEDs are cheaper and safer than usual fluorescent lamps and also have a longer life span, so using high brightness UV LEDs is a great choice for an exposure box The http://www.secuobs.com/revue/news/120080.shtmlhttp://www.secuobs.com/revue/news/120080.shtml Secuobs.com : 2009-07-10 07:38:30 - YourITronics - Connecting an optical mouse sensor with an Arduino microcontroller is afairly simple task that can help you read horizontal and verticalmovements Any Arduino can be used to perform this operation and youwill also need an optical mouse, of course This tutorial is made forPAN3101, ADNS-2610, ADNS-2083 or ADNS-2051 optical sensors, but http://www.secuobs.com/revue/news/118772.shtmlhttp://www.secuobs.com/revue/news/118772.shtml Secuobs.com : 2009-07-07 03:25:21 - YourITronics - One important parameter in robotics, one that can raise serious problemswhen trying to make things smaller, is the size of the parts you areusing in building your robot Because some indispensable pieces ofhardware, like motors or batteries, have their sizes and even thesmallest ones can be too big to use effectively, http://www.secuobs.com/revue/news/117454.shtmlhttp://www.secuobs.com/revue/news/117454.shtml Secuobs.com : 2009-07-05 15:36:04 - YourITronics - A while ago we talked about the Bus Pirate, a device made by the peoplefrom Hackaday, which connects to the PC using the USB port, supportsmost serial protocols and possesses lots of other useful features andcan be very helpful in testing various chips and circuits The BusPirate requires a probe cable http://www.secuobs.com/revue/news/117002.shtmlhttp://www.secuobs.com/revue/news/117002.shtml Secuobs.com : 2009-07-05 01:06:59 - YourITronics - The Wired Equivalent Privacy is an encryption algorithm that wasintroduced in 1997 for securing wireless networks and was designed tooffer the privacy of a wired network in a wireless one Known to havesecurity flaws since 2001, WEP was superseded by WPA Wi-Fi ProtectedAccess in recent years, but is still used in http://www.secuobs.com/revue/news/116961.shtmlhttp://www.secuobs.com/revue/news/116961.shtml Secuobs.com : 2009-07-03 12:52:38 - YourITronics - “Love is a smoke raised with the fume of sighs, Being purged, a firesparkling in lovers’ eyes, Being vexed, a sea nourished with lovers’tears What is it else A madness most discreet, A choking gall and apreserving sweet” William Shakespeare When in love it can beimportant to find the right gifts for the right occasions You http://www.secuobs.com/revue/news/116708.shtmlhttp://www.secuobs.com/revue/news/116708.shtml Secuobs.com : 2009-07-02 23:12:58 - YourITronics - There’s nothing like an ice-cold drink on a hot summer day, is thereEspecially if you’re a beer-loving dude with some free time and somehardware skills A fairly simple and fun project, the “DigitalThermostatic Beer Refreshment Regulator” as entitled by its authoris based on an Arduino and a temperature sensor that control the http://www.secuobs.com/revue/news/116497.shtmlhttp://www.secuobs.com/revue/news/116497.shtml Secuobs.com : 2009-07-01 21:30:05 - YourITronics - I recently ordered some samples from TI, which included the TMP275digital sensor The sensor has some nice features which I quote fromit’s datasheet: The TMP275 is a 05°C accurate, Two-Wire, serialoutput temperature sensor available in an MSOP-8 or an SO-8 packageThe TMP275 is capable of reading temperatures with a resolution of00625°C http://www.secuobs.com/revue/news/116006.shtmlhttp://www.secuobs.com/revue/news/116006.shtml Secuobs.com : 2009-07-01 17:02:46 - YourITronics - In the first part i presented some of the woodwork on the satellitespeakers and a first schematic of the crossover These days i had timeto finish the front baffles, made the edges round, cover the speakerwith dark colored carpet and install the drivers and crossover fortesting and voicing The rounding of the http://www.secuobs.com/revue/news/115864.shtmlhttp://www.secuobs.com/revue/news/115864.shtml Secuobs.com : 2009-06-30 22:13:42 - YourITronics - Even though not much information is published about Lithium IonBatteries, we find them more and more often powering our portableelectronics While their price sometimes can go pretty high, LiIonbatteries offer higher capacity from less weight and volume and fastercharging Laptops, portable media players, cell phones, cameras, etcalmost all use the http://www.secuobs.com/revue/news/115485.shtmlhttp://www.secuobs.com/revue/news/115485.shtml Secuobs.com : 2009-06-29 16:37:09 - YourITronics - The USB Bus Pirate is a great project that can be used for testing newchips without writing any code It is a universal serial interfacedevice that is connected to the PC using the USB port The Bus Piratecurrently supports serial protocols such as 1-Wire, I2C, SPI, JTAG,asynchronous serial and also has http://www.secuobs.com/revue/news/114846.shtmlhttp://www.secuobs.com/revue/news/114846.shtml Secuobs.com : 2009-06-26 16:02:20 - YourITronics - Hallelujah, brothers and sisters Praise the Lord How many times haveyou thought you don’t have enough holiness in your life How manytimes you wished you’d do more than just saying Grace before dinnerWell, now you can do something about that Yes, with the help of theHoly Toaster, you can turn every http://www.secuobs.com/revue/news/114093.shtmlhttp://www.secuobs.com/revue/news/114093.shtml Secuobs.com : 2009-06-24 14:27:37 - YourITronics - Used extensively in the automobile manufacturing industry forconstructing the bodywork, spot welding is also seen in other varioussituations, like building PC cases or battery cells A spot welder hasthe advantage of precise welding point and only heating the weldingspot, so the rest of the materials remain cool and can be managedhttp://www.secuobs.com/revue/news/113108.shtmlhttp://www.secuobs.com/revue/news/113108.shtml Secuobs.com : 2009-06-23 21:40:16 - YourITronics - June 19th marked the launch of Apple’s “fastest, most powerful iPhoneyet”, the iPhone 3G S Not sure what the S stands for I’ve cameacross some guesses while surfing the web, speed, sex, sucks just toname a few, but according to Apple’s official website it should be“up to 2x faster” than the http://www.secuobs.com/revue/news/112859.shtmlhttp://www.secuobs.com/revue/news/112859.shtml Secuobs.com : 2009-06-22 21:03:05 - YourITronics - I will present you here a 21 speaker project made from some leftovermaterials Nothing fancy but i will try to get the most out ofeverything In this first part i will give information about theoverall design and the first work on the satellite speakers Drivers iused were those i had laying http://www.secuobs.com/revue/news/112367.shtmlhttp://www.secuobs.com/revue/news/112367.shtml Secuobs.com : 2009-06-21 04:34:38 - YourITronics - What could be 50% faster than iPhone 3G The new iPhone 3G S Howeverthis could be just a rumor and some good guys decided to have a lookinside On the outside seems pretty much identical to its olderbrother To open the case you still need to get passed those twoscrews at http://www.secuobs.com/revue/news/112002.shtmlhttp://www.secuobs.com/revue/news/112002.shtml Secuobs.com : 2009-06-19 22:34:44 - YourITronics - The are a few ways to measure wind speed, some involving ultrasoundtransducers, some based on cooling effect of air flow but most commontechnique uses spinning cups and measures their rotation speed Thereare also a few ways to measure this rotation, some using a dynamo,some using Hall sensors but most use a http://www.secuobs.com/revue/news/111713.shtmlhttp://www.secuobs.com/revue/news/111713.shtml Secuobs.com : 2009-06-17 17:01:29 - YourITronics - Every so often you can find yourself unable to take a picture, becausehuman reflexes can’t always handle the timing required in somecircumstances From wildlife photos of animals or lightning to variousfast moving objects like bullets or even splashes or balloons popping,one can encounter many situations where hand-eye coordination orshooting skills http://www.secuobs.com/revue/news/110768.shtmlhttp://www.secuobs.com/revue/news/110768.shtml Secuobs.com : 2009-06-15 21:44:13 - YourITronics - Central heating systems has been a good solution for many homes and evenoffices for quite some time now If you own such a system I’m sure youwould like to be able to control it remotely from your bed or evenfrom a computer This project presents such a controller It has a 5/2http://www.secuobs.com/revue/news/109959.shtmlhttp://www.secuobs.com/revue/news/109959.shtml Secuobs.com : 2009-06-13 19:02:40 - YourITronics - Super-megapixel resolution pictures are something that arouse awe inmost people and one of the reasons for this is because they’re noteasily obtained The prices of professional DSLR equipment are prettyhigh, prohibitive for most casual photographers, so access to thiskind of tools is rather limited But you can build a 130 megapixelhttp://www.secuobs.com/revue/news/109383.shtmlhttp://www.secuobs.com/revue/news/109383.shtml Secuobs.com : 2009-06-11 11:38:28 - YourITronics - As the modern day motor vehicles grow in complexity, the need formeasuring various locomotion parameters is something that allmanufacturers approach, regardless of the purpose, size or price ofthe vehicle Motorcycles make no exception, especially with the needfor speed of most bike enthusiasts A project for allmotorcycle-loving geeks out there, the Arduino http://www.secuobs.com/revue/news/108433.shtmlhttp://www.secuobs.com/revue/news/108433.shtml Secuobs.com : 2009-06-11 01:10:24 - YourITronics - Counters that can go into gigahertz range can be pretty expensive so youmight want to consider DIY solution if your measurements are notcritical Of course since we are dealing with extremely high frequencythe quality of the build depends highly on your skills Care must betaken with PCB manufacturing, component placement, screening http://www.secuobs.com/revue/news/108254.shtmlhttp://www.secuobs.com/revue/news/108254.shtml Secuobs.com : 2009-06-10 10:41:43 - YourITronics - Most gamers are certainly familiar with the joystick, used in all sortsof video games from the early days of television video games back inthe late ’60s Being a very intuitive device, the joystick is alsoused in cranes, trucks or other machinery, especially in an industrialenvironment Moreover, the joystick is used extensively http://www.secuobs.com/revue/news/107872.shtmlhttp://www.secuobs.com/revue/news/107872.shtml Secuobs.com : 2009-06-08 22:55:58 - YourITronics - The Braitenberg vehicles, an idea developed by cyberneticist ValentinoBraitenberg, are autonomous vehicles that move around using wheels andlight sensors connected to them Motion is acquired using only theinteraction between the vehicle and its environment, withoutinformation processing or internal memory of any kind Still, theBraitenberg vehicles appear to have intelligent behavior http://www.secuobs.com/revue/news/107147.shtmlhttp://www.secuobs.com/revue/news/107147.shtml Secuobs.com : 2009-06-08 11:34:35 - YourITronics - When using different types of batteries it can be quite a pain in theneck to be able to find a single tool to recharge them all with,because most chargers only work with one or a few types of batteriesBut here is a charger that can do it all, from sealed lead acid http://www.secuobs.com/revue/news/106883.shtmlhttp://www.secuobs.com/revue/news/106883.shtml Secuobs.com : 2009-06-05 16:19:05 - YourITronics - Wireless equipment ranging from mobile phones to routers, car alarms orPC peripherals have become an important part of our lives Most of ususe at least one wireless device every day whether you’re at home orat work because it’s a lot more comfortable having no wires connectedKeykeriki from ‘kikeriki’, the sound of a http://www.secuobs.com/revue/news/106238.shtmlhttp://www.secuobs.com/revue/news/106238.shtml Secuobs.com : 2009-06-05 16:19:05 - YourITronics - You like listening to radio and your favourite stations use Internetbroadcasting Or you’re sick of commercials between songs or the radioman spoiling the song with some announcement Here is an award worthyproject for you With this wifi radio you have wireless connectivityto the Internet so you have a huge variety of http://www.secuobs.com/revue/news/106237.shtmlhttp://www.secuobs.com/revue/news/106237.shtml Secuobs.com : 2009-06-04 20:11:07 - YourITronics - One of the best known video games of all time is Tetris, the puzzlevideo game designed and programmed by Alexey Pajitnov Released in1984 and then ported on the IBM PC, Tetris is now available for gameconsoles, mobile phones, PDAs and computers and is regarded by many asone of the most popular http://www.secuobs.com/revue/news/105921.shtmlhttp://www.secuobs.com/revue/news/105921.shtml Secuobs.com : 2009-06-04 14:51:51 - YourITronics - A counter is a very useful tool, i for one could use one when I’mwinding coils These days a counter project caught my attention,because it can be configured for many applications Basically it’s a 4digit decimal counter that can go from 0 to 9999 in either direction,can stop when it hits http://www.secuobs.com/revue/news/105777.shtmlhttp://www.secuobs.com/revue/news/105777.shtml Secuobs.com : 2009-06-03 00:43:02 - YourITronics - I think there isn’t any kid out there that hasn’t wanted aradio-controlled car Well, at least us, boys But what if you couldbuild your own, with sonar and GSP too Yeah, I know, pretty niftyThis project is rated ‘under development’ as it still needs someadjustments It features an Atmega328P microcontroller, a http://www.secuobs.com/revue/news/105143.shtmlhttp://www.secuobs.com/revue/news/105143.shtml Secuobs.com : 2009-06-02 15:55:25 - YourITronics - If you’re into robotics then you must know about the sumo competitionsbetween autonomous robots Seeker II is one of the competitors whoproved his good design in battle In this project you will have allthe information you need to build yourself a mini-sumo robot TheSeeker II is using a PIC16F876 providing four analog http://www.secuobs.com/revue/news/104958.shtmlhttp://www.secuobs.com/revue/news/104958.shtml Secuobs.com : 2009-06-01 08:20:05 - YourITronics - Earlier I presented a project on how to measure temperature with a LM35and an Atmega8 microcontroller and display it on LCD In the currentproject an Arduino board is used and the temperature reading is sentto a PC A software is written for PC to display the data received onUSB from the http://www.secuobs.com/revue/news/104337.shtmlhttp://www.secuobs.com/revue/news/104337.shtml Secuobs.com : 2009-05-31 00:19:52 - YourITronics - Here is a very good looking thermometer project showing the reading as adiscrete value and as a bar-graph on a LCD The idea is simple, wehave a sensor, the LM35, who outputs a voltage depending on theambient temperature, LM35’s rating is 10mV/ degree Celsius Since thesensor’s output is analog we need http://www.secuobs.com/revue/news/103662.shtmlhttp://www.secuobs.com/revue/news/103662.shtml Secuobs.com : 2009-05-30 06:07:06 - YourITronics - In this article I intend to explain the functionality and usage of theseven segment display, probably you have seen many projects with thesetype of displays, however the price drop of LCD’s tend to overtake themarket, there are a still few applications for which these devices aremore suited For large numeric displays, http://www.secuobs.com/revue/news/103460.shtmlhttp://www.secuobs.com/revue/news/103460.shtml Secuobs.com : 2009-05-29 18:42:50 - YourITronics - Here we are one step closer to a future that’s starting to look more andmore like Sci Fi movies After I’ve seen Johny Mnemonic for the firsttime, i was wondering when will we be able to type or surf the netjust by moving our fingers in the air on a invisible keyboard http://www.secuobs.com/revue/news/103191.shtmlhttp://www.secuobs.com/revue/news/103191.shtml Secuobs.com : 2009-05-29 03:30:57 - YourITronics - I just discovered this video on youtube, which shows a couple of guyshacking into a building’s light control circuitry to get access to itand turn it into a giant pacman game I don’t know if it’s real ornot, because they are just connecting a bunch of wires without anylogic but it http://www.secuobs.com/revue/news/102952.shtmlhttp://www.secuobs.com/revue/news/102952.shtml Secuobs.com : 2009-05-27 01:58:10 - YourITronics - Not all of us understand weather mechanisms, how storms develop or whata low pressure front means so having a weather station that measuresthese parameters and display them as numbers might not be thathelpful However a team from Cornell University designed and built astation that displays a graphic representation of the current http://www.secuobs.com/revue/news/102046.shtmlhttp://www.secuobs.com/revue/news/102046.shtml Secuobs.com : 2009-05-26 03:55:36 - YourITronics - When i first saw this project i thought this could be turned into one ofthose dance steps learning game The device consists of a 3×3 matrixof buttons The system memorates the sequence in which you press thebuttons and then plays it for you by lighting a LED under thosebuttons You can http://www.secuobs.com/revue/news/101594.shtmlhttp://www.secuobs.com/revue/news/101594.shtml Secuobs.com : 2009-05-26 03:55:36 - YourITronics - We all know that the most troublesome components in electronics areinductors and capacitors Usual ones have high tolerance, time has aneffect on them and their cost can be quite big Besides that, ibelieve there are other people like me, who have boxes full ofsalvaged components from things that couldn’t be repaired http://www.secuobs.com/revue/news/101593.shtmlhttp://www.secuobs.com/revue/news/101593.shtml Secuobs.com : 2009-05-26 03:55:36 - YourITronics - Here is something that could really replace the walking stick A teamfrom Cornell University developed a navigation system using anultrasonic sensor that can help you move around without using yoursight The interaction between the obstacle detector and the operatoris done using vibrator motors Looking at the block diagram we candistinguish five http://www.secuobs.com/revue/news/101592.shtmlhttp://www.secuobs.com/revue/news/101592.shtml Secuobs.com : 2009-05-26 03:55:36 - YourITronics - This project presents an audio synthesizer but not only that, it givessome ideas on how to interface other synths to a keyboard Thekeyboard decoder uses the 74HC154 IC and the PIC18F1220 The 4 bitsbinary input of the 74HC154 is connected to the PIC which will cyclefrom 0 to 11, representing the http://www.secuobs.com/revue/news/101591.shtmlhttp://www.secuobs.com/revue/news/101591.shtml Secuobs.com : 2009-05-26 03:55:36 - YourITronics - Here is something that will definitely catch the attention of yourguests, although the project’s author wasn’t lucky enough with the WAFWife Acceptance Factor A laser beam showing the time on one of yourwalls, an unusual clock indeed and very easy to build Tracking thetime is done by an Atmel Attiny24 microcontroller It http://www.secuobs.com/revue/news/101590.shtmlhttp://www.secuobs.com/revue/news/101590.shtml Secuobs.com : 2009-05-26 03:55:36 - YourITronics - I just came across this neat video on youtube, which shows some basic smtcomponents sizes like resistors etcapacitors 0201, 0402, 0603, 0805,1206 and TSSOP56 IC The quality is great and I really recommend it tobeginners Related posts Two Channel Thermometer 0 SMD LED RingLight 1 RC4560-based headphone amplifier 0 MAX6675 Thermocouple0 Electronic Sun Flower 0http://www.secuobs.com/revue/news/101589.shtmlhttp://www.secuobs.com/revue/news/101589.shtml Secuobs.com : 2009-05-26 03:55:36 - YourITronics - This is just a board I made to work with at school because normally Iwould not build anything on pic I just wanted to show once again,that using the photo etching technique and some effective componentplacing you can obtain really nice results wether your building troughhole or SMT The board has http://www.secuobs.com/revue/news/101588.shtmlhttp://www.secuobs.com/revue/news/101588.shtml Secuobs.com : 2009-05-26 03:55:36 - YourITronics - Keyless entry has been used for quite some time in automotive industryby most car manufacturers even though such a system may not be intheir standard package The owner receives a card or a small device,much like a remote control, and just by approaching the car, nobuttons pushed, the car senses the http://www.secuobs.com/revue/news/101587.shtmlhttp://www.secuobs.com/revue/news/101587.shtml Secuobs.com : 2009-05-26 03:55:36 - YourITronics - The idea behind this project was born when a friend asked me too take alook at he’s broken GPS unit MyGuide 3000 to see if I can fixanything I started checking various parts like voltage regulators,but found nothing wrong The gps unit was still not powering up so Ichecked the cpu, http://www.secuobs.com/revue/news/101586.shtmlhttp://www.secuobs.com/revue/news/101586.shtml Secuobs.com : 2009-05-26 03:55:36 - YourITronics - Summer is here for those of us in the northern hemisphere and heatbecomes a problem again Fear not for here is a project for you tobuild your own room temperature controller This device uses twosensors to monitor temperature at two locations, inside and outsidefor example and depending on the measurements, it controls http://www.secuobs.com/revue/news/101585.shtmlhttp://www.secuobs.com/revue/news/101585.shtml