Chengdu Ebyte Electronic Technology Co.,Ltd.
ESP32-C3-MINI Dev. Board User Manual
Copyright ©2012, Chengdu Ebyte Electronic Technology Co.,Ltd.
4
2. Components introduction
2.1 Components and interfaces
2 Main component diagram
No.
Name
Functions
1
ESP32-C3-MINI-1 &
ESP32-C3-MINI-1 U
ESP32-C3-MINI-1 & ESP32-C3-MINI-1 U are general-purpose Wi-Fi
and Bluetooth low energy dual-mode modules with PCB onboard
antennas. This module integrates the ESP32-C3FN4 chip with 4 MB
embedded flash. Since the flash is directly packaged in the chip, the
ESP32-C3-MINI-1 module has a smaller package size.
2
5V to 3.3V LDO
Power converter, input 5 V, output 3.3 V.
3
5 V power indicator
This indicator lights up when the board is connected to USB power.
4
Pin
All available GPIO pins (except the flash's SPI bus) have been routed to
the board's pin headers. Please see pin headers for more information.
5
Boot key
Download button. Hold down the Boot key and press the Reset key to
enter the "Firmware Download" mode, and download the firmware
through the serial port.
6
Micro-USB interface
USB interface. It can be used as the power supply for the development
board or as the communication interface between the PC and the
ESP32-C3FN4 chip.
7
Reset key
Reset button.
8
USB to UART bridge
Single-chip USB to UART bridge providing transfer rates up to 3
Mbps.
9
RGB LED
Addressable RGB LED, driven by GPIO8.
Note: For specific function instructions, please refer to the user manual of ESP32-C3-MINI-1 &
