If you're looking for a presence sensor to help you build up your smart home, the new Aqara FP300 is an especially capable ...

Abstract: Pyroelectric infrared (PIR) sensors are widely used as a simple but powerful people presence triggers, e.g., automatic lighting systems. In particular, by alternating the effective ...

There are several cheap sensors that can help you build incredibly versatile devices without spending a lot. And, you won’t ...