Anything that has GPIO and can talk to a temperature sensor is enough to build a thermostat. As you all know, however, I have committed to a building a Raspberry Pi into every room in my house ...

GY-906 is an easy DIY Raspberry Pi project using inexpensive materials like PICO, GY-906 sensor, OLED display, push switch, etc. The project utilizes the GY-906 Infrared Temperature sensor ...

Many low-cost wireless temperature and humidity sensors use a 433 MHz transmitter ... as long as you’ve got a spare Raspberry Pi lying around. Called nexus433, it uses a cheap 433 MHz receiver ...