Sensors
Soil moisture sensors
Air quality sensor
- IKEA VINDSTYRKA
- HoLu-sensorkit
- esp8266, a BME280 temperature/moisture/atmospheric pressure sensor
and a PM2.5 + PM10 sensor
- arduino (but should work with a raspberry pi as well)
Temperature / humidity
Zigbee
ESP HTU21d temperature/humidity sensor
- HTU21d
- Wiring:
- HTU21D ESP8266 AI Thinker
- 3.3V
- G
- CL D#
- DA D4
433 Mhz
- jckuester/weather-station
- Raspberry Pi, Arduino Nano, RXB6 433Mhz receiver,
and as many GT-WT-01 temperature/humidity sensors as you like.
Gas sensors
CO2
Prometheus co2exporter