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, ...

I wanted temperature sensors ... I’ve always been fond of the Raspberry Pi– It has USB, GPIO, and i2c, among other interfaces. An Instructable by [peter_3d] gave me the burst of inspiration ...