Chinese Smart Home gadget manufacturer Lumi Technology has launched yet another Aqara-branded product under a new P series. The product is dubbed Aqara P1 Door and Window sensor. The P1 Door and ...

I admire Roost's approach to smartening up the home one 9-volt battery at a time. The company's latest gadget looks a lot like the original Roost Smart Battery that fit into your smoke detector, ...

In this video, I experiment with creating a window and door alarm using the following materials: a small piece of wood, a mini piezo buzzer, 22 gauge conductor, a battery socket, a 3V battery, an SPDT ...

Simplify your smart home setup with this $30 multisensor. Discover how one affordable gadget can replace five different devices and save you money.

Economical circuit of an electronic alarm, notifies you when your door or window is open, is presented here. This circuit wired around the Quad 2-input NAND Schmitt trigger IC 4093 (IC1) can be ...