![]() ![]() In this example we will be using a version higher than V10.9 so we will be using the first command For MAC OSX v10.8 and below, use the following command:.You'll now need to point your terminal to where the *.kext files are stored Open the terminal program in Utilities Terminal Open the terminal program by going to Go Applications Our recommendation is that you uninstall and reinstall the CH340 driver as per the below directions before connecting the device to your computers USB port ![]() Note some users have reported MACs on certain operating systems have been restarting when CH340 based devices are first connected to the USB port. You should notice a new port that wasnt their previously, this is your new CH340 device connected and communicating with your computer Next, connect the CH340 device to your computer and recheck the available serial ports. Firstly, without the CH340 device connected to your computer, open Tools Port and observe the number of Serial ports available If you have the Arduino IDE installed you should be able to see a change in the number of COMs ports available with and without the CH340 device connected. The CH340 chip should show up as USB-SERIAL CH340 (COM#) where the # will be a random number depending on your individal computer Option 2: Checking through Arduino IDE Open device manager by opening the Start Menu and typing Device ManagerĪfter opening the device manager, expand the Ports (COM &LPT) tree section. Plug your CH340 based device into your computers USB port and follow one of the below checks Option 1: Checking through device managerĪfter the driver is installed and your device is plugged in the CH340 should enumerate to a one of your computers COM ports Theres a few ways to check if the driver installed properly so you dont spend hours scratching your head. Click the UNINSTALL button to ensure any old drivers are cleaned. ![]()
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