Arduino UNO R3 Rev3 ATMEGA328P Compatible Board, CH340G USB Key Features and Specifications: Size: 78mm x 53mm x 15mm Input Voltage: 7-9V recommended; USB power option available Digital I/O Pins: 14 (6 PWM capable: pins 3, 5, 6, 9, 10, 11) Analog Inputs: 6 (10-bit resolution) Max Output Current: 40mA per I/O pin; total 200mA USB Interface: Type B connector with CH340G interface (Windows drivers available online) Flash Memory: 32KB (2KB for bootloader) Compatibility: Fully supported by Arduino IDE for easy programming and sketch uploads Applications: Perfect for small home projects and complex tasks, this board is compatible with various sensors, displays, switches, and LEDs utilizing SPI, I2C, or Serial communication protocols. Its compact size and ease of programming make it an ideal choice for both beginners and experienced developers.