Official Arduino UNO R3 Board with Free USB Cable

The Arduino UNO R3 Board is a popular open-source microcontroller board based on the ATmega328P. It comes with a free USB cable and features 14 digital input/output pins, 6 analog inputs, a 16 MHz quartz crystal, and a micro-USB connection for programming. This board is suitable for beginners and advanced users who want to control a wide range of devices with their own software.