avr

AVR Transistor Tester / Component Identifier

Ooh a gadget.

While browsing dangerousprototypes.com I saw an interesting little gadget by Mark Frejek at www.mikrocontroller.net. Mark had made a transistor and component identifier using an AVR ATMEGA8, a few resistors and a 16x2 LCD. Always wanting one of those expensive Atlas testers I was intrigued.

I saw a few examples of people building the circuit on the net and the operation of the gadget seemed to be really well done. The software seemed very polished and comparable to the Atlas devices that I've only seen in person at trade shows. Also, having all the required parts in my bins and the long standing niggle in the back of my brain telling me to try and find a use for that ATMEGA8 DIP uC I've had floating around for a while, it was almost a match made in heaven.

Playing WAVs with a ATMega32

Further work on my "Alarm Clock" I wanted an alarm function that could play WAV files from an SD card. This will allow tailored alarms for each alarm to be played.

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