Main features of Arduino Micro: The Arduino Micro is a microcontroller board based on the ATmega32u4. Like its brother the Leonardo board, the Arduino Micro has one microcontroller with built-in USB.

Arduino Micro has some extra leds that it is tricky to programme. Like almost all Arduinos, has a built-in led – the green one on the left in the photo. And it has a pair of yellow leds – called TX ...