This project creates a complete standalone ISP programmer for Arduino Nano devices using another Arduino Nano as the programmer. It's designed to program the Optiboot bootloader onto ATmega328P ...
nano.menu.cpu.atmega328.bootloader.file=atmega/ATmegaBOOT_168_atmega328.hex nano.menu.cpu.atmega328.bootloader.file=optiboot/optiboot_atmega328.hex nano.menu.cpu ...
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 ...