CCS811+SI7021+BMP280 Carbon Dioxide Temperature and Humidity Height Three-in-one Sensor Module

CJMCU-8128

{{:arduino:pasted:20200119-222453.png}}
  * 
  * Scanning...
  * I2C device found at address 0x40  !
  * I2C device found at address 0x5A  !
  * I2C device found at address 0x76  !
  * done


  * 0x76 - BMP280
  * 0x5A - SI7021
  * 0x76 - CCS811

https://github.com/SFeli/ESP32_CJMCU-8128