Fixing issues with arduino and more boards that uses usb-serial.
SHA256: b190f612b833727b2006f362a835f7e97177b580e45cef253e164202106c48eb
Remove the old driver by issuing one of the following commands (depending on your installation):
sudo rm -rf /System/Library/Extensions/usb.kext
sudo rm -rf /Library/Extensions/usbserial.kext
CH34x_Install_V1.4.pkg
file./dev
directory.