Environmental sensors

BME280 sensor + 1-Wire/RJ12 splitter
Temperature and humidity sensor AM2320
Dusk sensor
Temperature sensor DS18B20
Waterproof temperature sensor DS18B20
Temperature sensor PT1000
Ultrasonic distance sensor JSN-SR04T-2.0
Infrared distance sensor
Soil moisture sensor SoilWatch 10
CO2 MH-Z16 sensor with I2C/UART adapter
Laser dust/air purity sensor SDS011
Particulate matter sensor SPS30
Magnetic reed switch
Flood/rain sensor
Dusk sensor (digital output)
Rainfall sensor
Magnetic water level sensor (CMW35/45/55/65)
PIR motion sensor
Temperature and humidity sensor DHT22/AM2302