Arduino UNO R3 CH340 Development Board + USB Cable

LKR 1,750.00 LKR 1,650.00

  • download for Arduino’s IDE
  • USB chip driver download;
  • Plug UNO R3 development board, the driver will automatically install
  • Select the card inside the die UNO R3
  • Select the COM port that my computer can query your UNO R3 board just inside the port
  • the best first choice, for Arduino own routine procedures, burn inside.

Out of stock

Arduino UNO R3 CH340 Development Board + USB Cable
LKR 1,750.00 LKR 1,650.00
Total Price: LKR 2,050.00


The UNO is a microcontroller board based on the ATmega328P. It has 14 digital input / output pins (6 of which can be used as PWM outputs), 6 analog inputs, a 16 MHZ quartz crystal, 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 the supplied USB cable or power it with an AC to DC adapter or battery power to get started.

This is the CH340 version UNO board.



  • Microcontroller: ATmega328P
  • CH340
  • Operating Voltage: 5V
  • Input Voltage (recommended): 7-12V
  • Digital I/O Pins: 14 (of which 6 provide PWM output)
  • PWM Digital I/O Pins: 6
  • Analog Input Pins: 6
  • DC Current Per I/O Pin: 20mA
  • DC Current for 3.3V Pin: 50mA
  • Flash Memory: 32KB (ATmega328P) of which 0.5KB used by bootloader
  • SRAM: 2K (ATmega328P)
  • EEPROM: 1KB (ATmega328P)
  • Clock Speed: 16 MHz
  • LED Built-in: 13
  • Length: 68.6mm
  • Width: 53.4mm
  • Weight: 25g



  • 1 x Arduino Compatible UNO R3 CH340 Development Board
  • 1 x USB Cable
Weight 0.25 kg
Dimensions 10 × 10 × 10 cm
SKU: ADB013 Categories: , Tags: ,
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