Hi First of all, thank you very much for sharing the app here ;-) The build and flash look works fine, I2C init ok esp32_i2c_master.c:393 I2C0 init ok (SDA: 23, SCL: 22, freq: 100000) But I am getting the same wrong value for the sensor [May 1 18:24:02.101] Temperature: 21474836.470000 *C [May 1 18:24:02.101] Humidity: 21474836.470000 %RH [May 1 18:24:02.101] Pressure: 214748.364700 hPa In additional RES_FAIL return -100 [May 1 18:24:02.101] Adafruit_BME280.RES_FAIL: -100 Is there some update here?