Serial connect

Serial cable and hubs

Before attempting any of the following steps make sure you have a good quality USB cable that supports data transfer. Furthermore, avoid using USB hubs while troubleshooting.

Problems with serial connection

Have you previously connected an ESP32 via a serial connection to your computer, for example using Arduino IDE or similar?

Problems with the serial port

Error: 'Could not open <PORT>, the port doesn't exist'
Problems with detecting a serial port on your computer?