Just wiring up some lights so you can control them from your phone isn’t real home automation: that’s just turning your house into a really big remote controlled toy, even if you can do it from the other side of the world. For real automation your house needs to change its behaviour based on sensor input, and security sensors are a great way to add simple inputs that allow your house to make decisions about things like turning lights on and off automatically.
In this episode I show a clever way to connect security sensors up so that intruders can’t tamper with the cables undetected.
View directly on YouTube: www.youtube.com/watch?v=NfPDpwtPi6g
Here’s an example Arduino sketch that can read End-of-Line sensors and publish the results to an MQTT server: https://github.com/SuperHouse/SecuritySensor4ToMQTT