This board based on the open-source arduino official schematics, modify USB controller to CH340G only. 100% Arduino UNO compatible.

  The Arduino UNO R3 is a microcontroller board based on the ATmega328.. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.


  • 100% Arduino UNO compatible
  • USB handler CH340G Replace ATMega16U2
  • Atmel Atmega328P-AU MCU
  • 8 analog inputs ports: A0 ~ A7
  • 14 Digital IO Pin
  • 6 PWM Pin
  • 6 Analog Input Pins
  • USB download and Self-Power
  • 2.1mm External Power Connecter

ARDIUNO UNO R3 ATMega328 CH340 USB Handler

  • Product Code: UNO
  • Availability: In Stock
  • $5.90