Arduino UNO R3

Uno Rev3 is ATmega328 based microcontroller board. The board features 14 digital input/output pins (with 6 capable of functioning as PWM outputs), 6 analogue inputs, a 16 MHz crystal oscillator, a USB connection. Arduino is a well-liked electronics prototyping platform that is open-source and relies on easy-to-use hardware and software. It is meant for artists, designers, hobbyists, and anyone keen on making interactive objects or environments and is created to be adaptable to suit your project’s requirements.

Datasheet: https://docs.arduino.cc/resources/datasheets/A000066-datasheet.pdf