I have finished & released my build of the Analog Curve Tracer. Complete design is available on the permanent page in the Project menu above.
New AVR processors from Microchip/Atmel use a 1-wire UPDI interface for flash programming. You could use either AVR ICE or Pickit 4 as the “official” programmers (I did not test any of them). Both of these cost >50 EUR. A… Continue Reading