Arduino Uno R3 Compatible Development Board – ATmega328P

The Arduino Uno R3 Compatible Development Board is a high-performance, open-source 8-bit microcontroller board designed for rapid electronic prototyping, embedded systems programming, and STEM education. Built around the industry-standard ATmega328P microcontroller chip, this fully compatible board mirrors the exact hardware architecture, pinout layout, and software interface of the original Arduino Uno R3. It serves as an ultra-affordable, reliable foundation for launching automation designs, smart sensors, robotics, and interactive DIY electronics.

Key Specifications

• Core Microcontroller: Microchip/Atmel ATmega328P (8-bit AVR RISC architecture)
• USB-to-Serial Driver: High-reliability CH340G / Mega16U2 interface IC
• Operating Voltage: 5 V DC
• Input Voltage (Recommended): 7 V to 12 V DC (via DC Barrel Jack or Vin pin)
• Input Voltage (Absolute Limits): 6 V to 20 V DC max
• Digital I/O Pins: 14 Channels (including 6 pins providing hardware PWM output)
• Analog Input Pins: 6 Channels (10-bit resolution ADCs)
• DC Current per I/O Pin: 20 mA standard continuous rating
• DC Current for 3.3V Pin: 50 mA maximum
• Flash Memory Capacity: 32 KB (with 0.5 KB utilized by the onboard bootloader)
• SRAM / EEPROM Storage: 2 KB Internal SRAM / 1 KB EEPROM
• Clock Speed Frequency: 16 MHz Crystal Oscillator
• PC Interface Link: Reversible USB Type-B Female Socket
• Form Factor / Dimensions: Standard Uno Footprint (68.6 mm × 53.4 mm)

Package Includes

• 1 x Arduino Uno R3 Compatible Development Board – ATmega328P

Note: Image is for representation purpose only.