GPIO Pin Reference

Simplified GPIO Pin Assignments for ESP32-C3 DevkitC-02
Name Number Name
GND 1 GND
3V3 2 GPIO 0
3V3 3 GPIO 1
RST 4 GPIO 2
GND 5 GPIO 3
GPIO 4 6 GND
GPIO 5 7 GPIO 10
GPIO 6 8 GND
GPIO 7 9 GPIO 20
GND 10 GPIO 21
GPIO 8 11 GND
GPIO 9 12 GPIO 18
5V 13 GPIO 19
5V 14 GND
GND 15 GND

To use this reference, orient the ESP32-C3 with its WiFi antenna at the top and USB connector at the bottom.