But if you don’t need the value-added features such as a weather-resistant housing that can be chained to a tree, this DIY motion ... The PIR sensor is housed in a shroud to limit its wide ...

Of course, it's much more complicated than that, as there isn't just one large motion sensor in your phone but many smaller sensors working together to calculate data like gravity, vibrations ...

If you are unfamiliar with electrical work, it’s wise to hire a qualified electrician to avoid potential hazards and ensure compliance with local codes. Installation of motion sensor lights ...