Arduino Nano with ATmega328P is available in two variants: "ATmega328P" and the older "ATmega328P (Old Bootloader)". The newer variant uses an optimized bootloader which has double upload transfer ...

I always had problems flashing to AVR microcontrollers in my projects. Instead of exposing the serial pins for programming the chip using a FTDI or similar programmer, I expose the ICSP pins. The ...

This project enables the use of an Arduino Nano board with minor modifications (nanoSTK) as the fastest DIY in-system programmer (ISP) for classic AVR devices such as ATtiny and ATmega together with a ...