UNO R3 Rev3 Board Compatible with Arduino Product OverviewBring your ideas to life with our Arduino UNO R3 Rev3 Compatible Board a drop-in replacement for the classic UNO R3 that combines proven reliability with modern USB connectivity. Built around the 16 MHz ATmega328P MCU and CH340G USB interface, this versatile 5 V development board is perfect for everything from beginner experiments to complex IoT deployments. Key Features & Benefits ATmega328P MCU @ 16 MHzIndustry-standard processing power for smooth sketch execution and real-time control. CH340G USB-SerialPlug-and-play USB connectivity on Windows, macOS, and Linux no external USB-serial dongle required. Compact Footprint78 × 53 × 15 mm fits easily into enclosures, wearable projects, and tight PCBs. Flexible Powering7–9 V DC via barrel jack or 5 V via USB; onboard regulator ensures a stable 5 V rail. 14 Digital I/O (6 PWM)Drive LEDs, servos, and motors with precise PWM control on pins 3, 5, 6, 9, 10, and 11. 6 × 10-Bit Analog InputsRead sensors from thermistors to photoresistors with 0–1023 resolution. 32 KB Flash MemoryIncludes 2 KB for the bootloader, leaving 30 KB for your sketches. Robust I/O40 mA per pin (200 mA total) to power modules and small loads directly. Standard HeadersCompatible with the vast ecosystem of Arduino shields and breadboard wires. Technical Specifications Parameter Specification Microcontroller ATmega328P @ 16 MHz USB Interface CH340G USB-to-Serial (USB-B connector) Operating Voltage 5 V DC Input Voltage 7–12 V DC (recommended 7–9 V) Digital I/O 14 pins (6 PWM outputs) Analog Inputs 6 channels (10-bit ADC) Flash Memory 32 KB (2 KB used by bootloader) SRAM / EEPROM 2 KB / 1 KB Clock Speed 16 MHz Max DC Current/I/O 40 mA per pin (200 mA total) Dimensions 78 × 53 × 15 mm Weight ≈ 25 g Ideal Applications Application Why It Works IoT Prototypes Built-in serial for sensor-to-cloud demos Robotics & Mechatronics PWM motors and servo control for dynamic builds Home Automation Digital triggers and analog monitoring Educational Projects Easy-to-learn IDE and vast community resources Wearables & Art Installations Compact size for discreet embedding Power & Connectivity Barrel Jack (7–12 V): Onboard regulator supplies clean 5 V. USB-B Port: USB-powered firmware uploads and serial monitor. Vin Pin: Direct raw input feeding onboard regulator. 5 V & 3.3 V Pins: Tap regulated voltages for sensors and modules. What’s in the Box 1 × Arduino UNO R3 Rev3 Compatible Board Harness the full power of the Arduino ecosystem order your UNO R3 Rev3 Compatible Board today and kickstart your next electronics masterpiece!