Additional software will cause additional problems. macOS includes all the required components. While they were helpful back then, they now cause additional trouble.ĭo not install any additional software for the CH340G if you are using the macOS 10.14 Mojave or later (including macOS Big Sur). There are many forums and web pages with instructions how to install the WCH driver.Furthermore PlatformIO will no longer be able to automatically select the port. With the additional drivers, two serial ports will be created and one of them will be non-functional. Many users have additional drivers from WCH or Repleo installed, either from earlier macOS versions or because of obsolete tips and instructions on the internet.Most boards only work for upload speeds / data rates up to 460,800 bps.Starting with macOS 10.14 Mojave, macOS provides suitable drivers out of the box, implemented by Apple itself. Like many USB-to-serial solutions, it requires a driver that creates the serial port when the board or adapter is plugged into a USB port of your Mac. This guide helps you resolve any problems you might have with the boards and adapters. Unfortunately, it often causes problems on macOS. It is manufactured by a Chinese company called WinChipHead or WCH ( International web site, Chinese web site). WEMOS and LOLIN branded boards) and USB-to-serial adapters. If you did not purchase your item from Hobby Components and are experiencing issues then we advise contacting the vendor that you bought the item from.The CH340G USB-to-UART chip is used by a number of inexpensive development boards (e.g. WE CANNOT provide technical support to non-customers. If you are a Hobby Components customer and are experiencing issues installing this driver please contact us either via our support forum ( ) or directly via our contact page ( ). **PLEASE NOTE: We have made this driver available on GitHub for easy access by our customers. Most popular versions will include a sutable driver and so no additional installation is normally required.

These drivers will need to be installed whn using any of the Hobby Components products listed below. Windows drivers support 32 and 64 bit versions of the opperating system.

CH340 Drivers for Hobby Components Products

Usb to serial ch340 driver windows 7