Then you can choose any COM ports as you like. Pop up the following window, click Port Settings and Advanced. Right click the USB-SERIAL CH340 (COM21), then select Properties. You can right click “Computer” ->“Properties”->“Device manager”, check out the CH340 device as the figure shown below. Once the software has been installed, you will get a confirmation message.įinally, the driver is installed well. In this page, select “Browse my computer for driver software”.Īfter that, select the option to browse and navigate to the “drivers” folder of usb-ch341 installation. Then it will be prompted to either “Search Automatically for updated driver software” or “Browse my computer for driver software”. Then right-click on the “USB2.0-Serial” and select the top menu option (Update Driver Software.) shown as the figure below. When you connect the WI-FI board to your computer at the first time, right click your “Computer” ->for “Properties”-> click the “Device manager”, under Other devices, you should see the “USB2.0-Serial”. Plug one end of your USB cable into the Keyestudio ESP-01S WI-FI board and the other into a USB socket on your computer. Here we start to install the driver on the Win7 system. In different systems, the driver installation is similar. You can click the driver file here usb_ch341_.06 to download. The USB to serial port chip of this control board is CH340G. You can download the firmware to ESP-01 module using firmware software. Push the shield’s button to Download, and plug into computer’s USB port, ESP-01 module is at download mode. You can use Serial debugging tool to test the AT command. Installed the driver, push the shield’s button to Flash Boot, and plug into computer’s USB port. The shield comes with a USB to Serial port chip CH340G. This is an expansion board for the ESP-01S WiFi module.
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