![Pro Micro Atmega32u4 (5V) Pro Micro Atmega32u4 (5V)](https://robolabor.ee/1969-large_default/pro-micro-atmega32u4-5v.jpg)
Features:
ATmega32U4 running at 5V/16MHz
Recommend power supply for the board: 6-7V, max 9V
On-Board micro-USB connector for programming
4 x 10-bit ADC pins, 12 x Digital I/Os
Rx and Tx Hardware Serial Connections
Arduino Leonardo bootloader