Download CH340 Driver on MAC System
Download CH340 driver:
Download Link
https://sparks.gogo.co.nz/ch340.html
Supported Systems
OS X 10.9 to OS X 10.15
OS X 11.0(Big Sur) and above
Supported Chips
CH340/CH341/CH343/CH9101/CH9102/CH9143 (USB to Single Serial Port)
CH342/CH344/CH347/CH9103/CH9104 (USB to Multi Serial Ports)
Installation
Step 1: Download the driver from the Website and extract the file to the local installation directory.