Hardware Reference; Block Diagram; Power Supply Options - Espressif Systems ESP32-C3-DevKitC-02 Manual

Hardware Reference

Block Diagram

The block diagram below shows the components of ESP32-C3-DevKitC-02 and their
interconnections.

Power Supply Options

There are three mutually exclusive ways to provide power to the board:
Micro USB port, default power supply

5V and GND header pins

3V3 and GND header pins

It is recommended to use the first option: micro USB port.
ESP32-C3-DevKitC-02 Block Diagram