User Manual
4
Functional overview
Key Component
Description
ESP32-WROOM-32
A module with ESP32 at its core.
EN Button
Reset button
Boot Button
Download button.
Holding down Boot and then pressing EN initiates
Firmware Download mode for downloading
firmware through the serial port.
USB-to-UART Bridge
Converts USB into UART serial in order to
facilitate the communication between the ESP32
and pc
Micro USB Port
USB interface. Power supply for the board as well
as the communication interface between a
computer and the ESP32 module.
3.3 V Regulator
Converts 5 V from USB to 3.3 V needed to supply
the ESP32 module










