Certain boards, like the ESP32 Feather V2, have a USB to serial converter chip that communicates between the processor and your computer. These chips require drivers to be installed on your computer's operating system.

This guide will show you how to install the drivers for the WCH USB to serial chips - also known as CH9102F or CH9102. These chips are replacing the SiLabs chips, like the CP2104 and CP2102N, that have been used on Adafruit boards in the past. There are drivers for Windows and Mac computers available. If you're on Linux, the drivers are built-in.

This guide was first published on May 21, 2022. It was last updated on Mar 08, 2024.

This page (Overview) was last updated on Mar 08, 2024.

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