Indoor-air-quality-traffic-light
Indoor air quality traffic light with display and Mqtt support ( ESP32, BME280, CCS811, TM1637, Neopixel, Mqtt) ESP32 measures the quality of indoor air with a CCS811 and BME280. The measurements are visualized with a neopixel strip and a 7 segment display.
https://www.hackster.io/Ontherocks/indoor-air-quality-traffic-light-7abeda