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Frequancy Meter

History Here is my new Frequency meter who was done with a LCD's cellular phone!!!  This is a simple project. The Frequency is passing  through an op-amp to convert it in a square wave. The ouput of...

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Function Generator

History This project didn’t look complicated but it was. The MCU part is really simple: just some code for the Display, Keypad and DDS Communication. A DDS is a chip that is driven by a hi-frequency...

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Inductor & Capacitor Meter (LCMeter)

History     Here is my new inductance & capacitance meter. I had took the analog oscillator part from a well know schematic found on the internet and adapt it for a AVR.  It's impressive to have a...

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AVR Code Debuger

History     The fact is, 10 years ago this project could have been completed. It will be a useful tool to help you debug code. The challenge was to make a debugger that does not require any MCU...

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Bench Power Supply 0-25v @ 0-5amp

History This project is like the one that all of you must have done in electronics.  I took the idea from Circuit Cellar. The original power supply provides an output of 2.5-15V at 500mA. This circuit...

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My Lab

History Here is my lab,  it could give you some idea to build yours, with lots of year and money you can do it !   Some pictures are bether than words  

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PCB shop

History Here is my PCB shop,  If you do just a little bit of electronics you need this. Home made PCB is a kind of an art.  You can archive without any problem track as small as 10 mils without any...

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AVR ISP Galvanic Isolation

History I had done a project where the AVR is powered via the main 110Vac line,  So I had to find a solution to be able to test my code in real life, I had look to many thing and found very cool...

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