Monitoring water levels to help automate water storage (tank 2 sensor being installed) and site temp/humidity..
Real Time Speed of Sound - Monitoring System : version 1
Monitoring CH4 gas concentration, temperature, and humidity in real-time with emergency fan control.
Indoor: Pressure from a BMP180 sensor, temperature and humidity from a DHT22, published from a Raspberry Pi B+ via WiFi. Outdoor: Temperature from a DS18B20 sensor, published from a solar powered Pi Pico W with a LoRa-E5 module. (Thanks MakeZurich 2023!)