1. ESP32-C3 Supermini does not need any external pull up resistor. 2. Connect Vin of I2C device with ESP's any pin (I used 6) and keep it HIGH in setup. 3. Connect PIN_9-> SDA, PIN_10-> SCL, avoid Pin 8 . Supermini's PIN 8 works on inverted logic (LOW means ON), for which it does not work if try to ...