How to Install CH340 Drivers

Contributors: bboyho, santaimpersonator
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Meet the CH340

There are a few variants of the CH340. The CH340G requires an external crystal oscillator to function while the CH340C includes a built-in crystal oscillator. However, both function in the same fashion - they convert USB data for a serial UART and vice versa!

CH340G Highlighted CH340C Highlighted
CH340G CH340C

The CH340 is also populated on development boards such as the RedBoard Qwiic to upload code using the Arduino IDE.

RedBoard Qwiic w/ CH340 Highlighted