I recently started making ISP for Arduino, but I don´t know if I can use ATMega328P-AU instead of ATMega16U2. On prototype I will be using two ATMega328P-AU. One with ArduinoISP sketch and one with USB Interface firmware. Please help.

ATMEGA328P-AU as USB Interface

system April 29, 2014, 10:43am 9

CrossRoads can I use ATMega32U4 as USB interface and load original Arduino xxU2 interface or...

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