A home sensor with Arduino, InfluxDB and Grafana
TL;DR: it was fun to build great graphs. But the battery did not last long, air quality is difficult to track.
Above, the box with plywood. Because I do not have a 3d printer, and I like wood.
Ingredients For the sensor box ESP 8826, WEMOS D1 LCD 20x16 Humidity sensor DHT11 Air quality sensor MQ9 Red and Green LEDs, corresponding resistors For the outside sensor Old pickes glass jar, and glue or silicon to seal it.