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ESP32-C3-DevKitC-02 is an entry-level development board based on ESP32-C3-WROOM-02, a general-purpose module with 4 MB SPI flash.
This board integrates complete Wi-Fi and Bluetooth LE functions.
Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Developers can either connect peripherals with jumper wires or mount ESP32-C3-DevKitC-02 on a breadboard.
Description of Components
| Key Component | Description |
| ESP32-C3-WROOM-02 | ESP32-C3-WROOM-02 from Espressif is a powerful and general-purpose module that offers Wi-Fi and Bluetooth LE coexistence. It has a PCB antenna and a 4 MB SPI flash. |
| 5 V to 3.3 V LDO | Power regulator that converts a 5 V supply into a 3.3 V output. |
| 5 V Power On LED | Turns on when the USB power is connected to the board. |
| I/O Connector | All available GPIO pins (except for the SPI bus for flash) are broken out to the pin headers on the board. |
| Boot Button | Download button. Holding down Boot and then pressing Reset initiates Firmware Download mode for downloading firmware through the serial port. |
| Micro-USB Port | USB interface. Power supply for the board as well as the communication interface between a computer and the ESP32-C3 chip. |
| Reset Button | Press this button to restart the system. |
| USB-to-UART Bridge | Single USB-to-UART bridge chip provides transfer rates up to 3 Mbps. |
| RGB LED | Addressable RGB LED, driven by GPIO8. |
Pin Header
