Atmega32u4 Microcontroller Arduino Micro (with Headers) - The Pi Hut Arduino Leonardo Micro It also has other implications for the behavior of the board. Arduino Pro Micro Microcontroller board with 20 digital input/output ports, 7 of which can be used as PWM outputs and 12 as analog inputs Buy Arduino A000093 Board Micro without Headers Core ATMega32 | Electronic The ATmega32u4 microcontroller has 32 KB memory and has 2., 5 KB SRAM and 1 KB EEPROM The board can work with an external supply of 6 to 20 volts, but the recommended usage range is 7 to 12 volts Get it now! The Micro is a microcontroller board based on the ATmega32U4, developed in conjunction with Adafruit. It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, an ICSP header, and a reset button The Arduino Micro is a microcontroller board based on the ATmega32u4, developed in conjunction with Adafruit. This allows the Micro to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port. It contains everything needed to support the microcontroller; simply connect it to a computer with a micro USB cable to get started.