User's Manual

4. Establish Serial Connection
with ESP32-WATG-32D
This section provides guidance how to establish serial connection between ESP32-
WATG-32D and PC.
4.1. Connect ESP32-WATG-32D to PC
Solder ESP32-WATG-32D module to the carrier board and connect carrier board to
the PC using the USB-to-UART dongle. If device driver does not install automatically,
identify USB to serial converter chip on your external USB-to-UART dongle, search for
drivers in internet and install them.
Below are the links to drivers that can be used.
CP210x USB to UART Bridge VCP Drivers
FTDI Virtual COM Port Drivers
The drivers above are primarily for reference. Under normal circumstances, the drivers
should be bundled with and operating system and automatically installed upon
connecting USB-to-UART dongle to the PC.
4.2. Check Port on Windows
Check the list of identified COM ports in the Windows Device Manager. Disconnect
USB-to-UART dongle and connect it back, to verify which port disappears from the list
and then shows back again.
Figure 4-1. USB to UART bridge of USB-to-UART dongle in Windows Device Manager