The Arduino UNO Mini is a microcontroller board based on the ATmega328P. It has 14 digital inputs/outputs (six of which can be used as PWM outputs), six analog inputs, a 16MHz ceramic resonator, a USB-C connector, and a reset button. Contains everything needed to support the microcontroller. Simply connect it to a computer with a USB cable, use a power adapter, or connect a battery to get started.