AVR Programmer
From Kevin Darrah Wiki
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Introduction
Schematic
Purchase
Parts
The parts list can be downloaded **HERE**. This can be directly uploaded into Digikey if you'd like.
Assembly
Note that the dots on the board for the three LEDs actually indicate the ANODE side:
Programming
You will still need to burn a boot loader into the Programmer board itself, so go and see the programming section of the 328Board wiki page.