If you want to add humidity ... sensors to your home automation sensor, you can — like [Maker’s Fun Duck] did — buy some generic ones for about a buck. For a dollar, you get a little square ...

[Jens]’ device consists of an Arduino, LCD display, and two sensors – one for acetone, and another for temperature and humidity. By carefully calibrating a TGS822 sensor, [Jens] was able to ...

wireless dev board equipped with temperature and humidity sensors. The Anavi Thermometer Development board is fully compatible with the Arduino IDE, PlatformIO, and Home Assistant via the MQTT ...