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Arduino UNO R3 Rev3 Compatible Board

£ 5.49
(inc VAT)

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Arduino UNO R3 Rev3 Compatible Board

Arduino UNO R3 Rev3 Compatible Board

£5.49

Arduino UNO R3 Rev3 Compatible Board

Product Overview
Bring 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 MHz
    Industry-standard processing power for smooth sketch execution and real-time control.
  • CH340G USB-Serial
    Plug-and-play USB connectivity on Windows, macOS, and Linux no external USB-serial dongle required.
  • Compact Footprint
    78 × 53 × 15 mm fits easily into enclosures, wearable projects, and tight PCBs.
  • Flexible Powering
    7–9 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 Inputs
    Read sensors from thermistors to photoresistors with 0–1023 resolution.
  • 32 KB Flash Memory
    Includes 2 KB for the bootloader, leaving 30 KB for your sketches.
  • Robust I/O
    40 mA per pin (200 mA total) to power modules and small loads directly.
  • Standard Headers
    Compatible 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

  1. Barrel Jack (7–12 V): Onboard regulator supplies clean 5 V.
  2. USB-B Port: USB-powered firmware uploads and serial monitor.
  3. Vin Pin: Direct raw input feeding onboard regulator.
  4. 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!