Once set up, HomeKit will recognize the SwitchBot Meter Pro as a temperature and humidity sensor (though not as a CO2 monitor). That limitation aside, it still opens the door for useful automation ...

The best soil moisture meters are ... as long as the sensor is within 300 feet. You can also calibrate the unit to accommodate different soil types and ambient humidity levels.

If you want to measure humidity (and temperature, and maybe even barometric ... microscope to figure out what’s going on. The other sensors were fine, with the HTU21D and SHT71 being standouts ...

quickly informs you how to adjust your humidifier or dehumidifier to achieve optimal comfort Highly Accurate Sensors: This temperature humidity sensor features a high accuracy of ±1°F/°C and ± ...