All You Ever Needed To Know About UPDI, And Then Some!

This entry is part 3 of 3 in the series IMPLEMENTING UPDI FROM SCRATCH

Part III — Turning the Arduino Nano into a Real UPDI Programmer Updated for the finalized NANO UPDI PROGRAMMER Rev. 1.0.0 hardware Parts I and II got us across the wire. We now understand enough of UPDI to: That is already a useful communications system. But it is not yet a programmer. Programming begins when