The Arduino Uno R3 is a popular and beginner-friendly microcontroller board based on the ATmega328P. Ideal for electronics projects, learning programming, and building DIY automation systems.
Microcontroller: ATmega328P
Operating Voltage: 5V
Input Voltage: 7–12V (recommended)
Digital I/O Pins: 14 (6 with PWM output)
Analog Input Pins: 6
Clock Speed: 16 MHz
USB Type-B connection
Compatible with Arduino IDE