ESP32-C3-DevKitC-02 Development Board

SKU:DFR0808 Brand:Other Reward Points: 155
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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


  • Integrates complete Wi-Fi functions.
  • Integrates complete Bluetooth LE functions.
  • Specification

  • ESP32-C3 embedded, 32-bit RISC-V single-core processor, up to 160 MHz
  • 384 KB ROM
  • 400 KB SRAM
  • 40 MHz crystal oscillator
  • 4 MB SPI flash
  • Operating Voltage/ Power supply: 3.0~3.6 V
  • Operating Temperature Range: –40~85°C
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