Install CH340 Driver for MacOS
Support System: OS X 10.9 and above
Tested and this document based in: OS X 10.13.3
STEP 1:
Download ch341ser_mac.zip
STEP 2:
Find the CH341SER_MAC directory in the Download directory, you may unzip it in older MacOS. Double click the ReadMe.pdf to see the detail INSTRUCTIONS.
STEP 3:
Double-click CH34x_Install_V1.4.pkg
STEP 4:
Just follow the Installer.
click continue.
click install
click continue installtion.
click restart.
If you see this message appeared.
Or type ls /dev/tty.* in Terminal, but can not see a name like tty.wchsubserialxxxxxx.
The CH340 USB driver extension is blocked by Mac.
Allow CH340 USB driver from Mac Security & Privacy.
Notice:
1,If something go wrong, please check INSTRUCTIONS in STEP 2, and do again.
2,You must allow the app when asked.
After Success:
You don't need to select the port name in some of our software, if need, select the name begin with “tty.wchusbserial”.
What to do next?