- Download and install https://github.com/ledongthuc/example/blob/master/file/CH34x_Install_V1.3.zip
- nano /Applications/Arduino.app/Contents/Java/hardware/arduino/avr/platform.txt
- Find
-P{serial.port}
and wrap in double quotes (if not already wrapped)
- nano /Applications/Arduino.app/Contents/Java/hardware/arduino/avr/programmers.txt
- Find
-P{serial.port}
and wrap in double quotes (if not already wrapped)