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Uno R3 CH340G ATmega328P Development Board – Arduino Compatible


  1. ATmega328P microcontroller with CH340G USB-to-Serial interface

  2. 100% compatible with Arduino Uno R3 (same pinout and IDE support)

  3. 14 digital I/O pins (6 PWM), 6 analog inputs, onboard voltage regulator

  4. USB Type-B interface, 5V operating voltage

  5. Ideal for prototyping, learning, and embedded projects

  6. RoHS Compliant

219.00

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The Uno R3 CH340G Development Board is a high-quality, Arduino-compatible microcontroller board based on the ATmega328P and uses the CH340G USB-to-Serial chip for easy connectivity. It features the same form factor, pinout, and functionality as the original Arduino Uno, making it ideal for DIY electronics, prototyping, robotics, and IoT applications.

This board is fully compatible with the Arduino IDE and supports USB programming and power via a standard Type-B USB connector. It provides 14 digital I/O pins (6 with PWM), 6 analog inputs, and operates at 5V logic level.

Parameter Value
Microcontroller ATmega328P
USB Interface CH340G
Operating Voltage 5V
Input Voltage (recommended) 7V–12V
Digital I/O Pins 14 (of which 6 provide PWM output)
Analog Input Pins 6
DC Current per I/O Pin 20 mA
Flash Memory 32 KB (0.5 KB used by bootloader)
SRAM 2 KB
EEPROM 1 KB
Clock Speed 16 MHz
USB Connector Type-B
Dimensions ~68.6 mm x 53.4 mm
RoHS Compliant Yes

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