Open Device Manager and check whether the CH340 driver is installed. If you can see the CH340 driver on Device Manager, mBlock 5 is supported to identity the serial port properly. If you can see the driver but mBlock 5 still fails to identify the serial port, the identification program of mBlock 5 may be blocked by the security software. I recently upgraded my MacBook Pro to Mojave. Now I'm not able to connect to my Arduino board with ch340g usb-to-serial chip. It is a Arduino board with AtMega 328 and ESP8266 integrated. I downloaded the drivers from the Chinese website for the ch340.
About the App
Ch340 Driver For Mac Windows 7
- App name: Wch USB serial driver for CH340/CH341
- App description: wch-ch34x-usb-serial-driver (App: CH341SER_MAC/ch34xInstall.pkg)
- App website: http://www.wch.cn/download/CH341SER_MAC_ZIP.html
Install the App
- Press
Command+Spaceand type Terminal and press enter/return key. - Run in Terminal app:
ruby -e '$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)' < /dev/null 2> /dev/null ; brew install caskroom/cask/brew-cask 2> /dev/null
and press enter/return key.
If the screen prompts you to enter a password, please enter your Mac's user password to continue. When you type the password, it won't be displayed on screen, but the system would accept it. So just type your password and press ENTER/RETURN key. Then wait for the command to finish. - Run:
brew cask install wch-ch34x-usb-serial-driver
Ch340 Driver Mac Os X
Done! You can now use Wch USB serial driver for CH340/CH341.
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