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Atmel AVR Butterfly Demo Board

I’m not sure why I haven’t run across this in the past, but I just saw an AVR demo board called the AVR Butterfly.  It has an LCD, joystick, speaker, temperature sensor, a real-time clock, voltage sensor, and serial port all for an amazing $20 over at Mouser or DigiKey.  The whole package is [...]

Bricking an ATTiny2313 and getting LED’s to flicker with a 12MHz external clock

A while ago I was doing some mindless fiddling with project’s makefiles and happened upon some fuse code. I gave it a shot and immediately found it to have destroyed my ATTiny2313 chip; “bricked” it if you will. A few more attempts at trying restore the fuse bytes failed and even reading the signature [...]