This board in the "nano" sizing has an Atmel/MicroChip SAMD21G18 MCU, 32K ram, 256K flash, and is advertised as "Arduino Zero" compatible board. In hardware, the Arduino's user LED on D13/PA17 is not ...

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 ...

The structure of this repository is made to follow the standarts of the Arduino IDE. This way you can simply copy the folders in your sketchbook and be ready hardware: This is where the bootloader ...