I was wondering if anyone has a good schematic for what a good AVR power supply should look like, assuming input from a noisy 10-15VDC source (like a wall transformer) along with components for decoupling/reducing noise on ADC channels (AVcc, AREF when using internal voltage source, etc.)
I'm having an issue going from the STK500 to a breadboard - no matter how I set my power supply up with decoupling capacitors and such, I can only get an ADC accuracy of about +-0.1V where on the STK500, I can get within +-0.04V.
Thanks in advance!