The Arduino Uno R3 CH340G ATmega328p Development Board is a low-cost and reliable version of the popular Uno R3 platform. This Arduino UNO ch340g variant is assembled with the CH340 Micro-USB to Serial converter chip instead of the Atmega16U2 chip, making it a more affordable alternative without compromising performance.
We have used plenty of these low-cost Arduino boards with CH340 chips, and have found them to work perfectly. The only time the CH340 chip is used is during programming and when using the serial output of the Micro-USB port. During normal operation, this Arduino Uno R3 board is identical to the more expensive version without the CH340 chip.
If you are comparing options, the Arduino UNO r3 price India 2026 varies depending on the chipset and build quality. CH340G-based boards like this one offer a cost-effective alternative while maintaining core functionality.
1. Two rows of holes for the pins (Male and Female). So it can be connected with normal Female Jumpers.
2. Additional 3 rows of the holes for wiring.
3. Changes to the DIP package of ATMEGA328P to flat package.
4. CH340G replace ATmega16U2
1 x Arduino Uno R3 Board with Micro USB port compatible with Arduino
1 x Male Jumper Header
| Microcontroller | ATmega328p |
| Input Voltage | 7-12V |
| Operating Voltage | 5V |
| Digital I/O Pins | 14 (of which 6 provide PWM output) |
| Analog Inputs | 6 |
| Flash Memory | 32KB |
| Clock Speed | 16MHz |
| Dimensions | 7.5 x 5.4 x 1.2cms |
| Weight | 26 grams |
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