Arduino UNO R3 Atmega328P with CH340 USB
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Arduino UNO R3 compatible microcontroller development board with CH340G USB-TTL bridge. Our Arduino UNO R3 board is compatible with the module from Italy but with some additional advantages. With the included pin header and the advanced board layout, our Arduino UNO R3 board is better suitable for your projects than any other Arduino UNO R3 board design.
Additional features compared to the Arduino UNO R3 from Arduino Italy:
– 3.3V LDO “U5” can deliver 200mA continuously (original Arduino UNO R3 only 150mA)
– additional tie points 3.3V, 5V, GND, SCL, and SDA for easier I2C bus access
– precisely 16MHz crystal with 0.003% error
The Arduino UNO R3 was originally designed with a simple 16MHz resonator which made it impossible to use it for clock applications. The advanced design comes with a proper 16MHz crystal for much higher stability.
A set of male pin headers, to use access the additional signal pads, is included with every Arduino UNO R3 controller.
We recommend downloading the required USB driver for your operating system from WCH official website.
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