/* I2C pinout (SCD30 & Qwiic) - C3-DevKitM-1 */ #ifndef I2C_PINOUT_H #define I2C_PINOUT_H /* I2C COMMUNICATION PINOUT DEFINITIONS FOR ESP32 C3-DevKitM-1 BOARD ON IoT Carrier Board WHICH USE GPIO21 AND GPIO20 I2C IS NECESSARY FOR USING THE SCD30 SENSOR OR ANY OTHER (3V3) SENSOR INTERFACED VIA QWICC CONNECTORS DO NOT CHANGE PIN DEFINITIONS */ #define I2C_SDA_PIN 20 /* GPIO20 - I2C data line */ #define I2C_SCL_PIN 21 /* GPIO21 - I2C clock line */ #endif