If your dev kit port doesn’t show up there it means you will have to install the USB-UART driver.īy visiting /usb-uart/ discover which USB-UART bridge chip is used in your ESP32 development board. Plug in your ESP32 to the computer via USB to find out.Īfter that, open your Arduino IDE and choose: Tools > Port. USB bridge chip on your ESP32 dev kit might be already supported by your operating system. Go to /usb-uart/ where you can find useful information about your ESP32’s UART bridge chip.įind out if you need to install the bridge driver On that website you can find lists of bridge chips and the ESP32 on which they are used. If that is the case you need to head over to /usb-uart/. It might be very hard, because a lot of the UART bridge chips contain the text that is no readable.

In order to identify the USB to UART bridge chip on your dev board at first read the model number. CP210x family are very popular USB to UART bridge chips, so there is a chance that your ESP32 is using the same chip as mine. The board I am using uses the CP2102 bridge chip. If you do not install this specific driver you won’t upload a sketch to the board. One of them is the chip that is utilized to implement the USB to UART bridge that enables the USB programmability of the board.ĮSP32 that I own include this chip and it requires a driver that needs to be installed manually, because Windows does not install it by default.

It is about small differences between different ESP32 development kits. CP210x USB to UART bridgeĪt the beginning before we start, I would like to point something out. A lot of ESP32 development boards is using this chip to support USB communications. In this article, I am going to demonstrate you installation process of the driver for the CP210x family of USB to UART bridge chips.

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