A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops. Lights on, lights off. That’s great for a small room with one entrance.

I enjoy animating scenes on my O gauge layout, and have come across a great way to get slower, more-precise realistic action: ...

While not all appliances can be controlled from your devices, the SwitchBot Smart Switch Button Pusher allows you to do so. By including Matter support, you can control them via HomeKit. Smart home ...