The points A and B of the circuit are connected to the points A and B of the rain sensor respectively. When rain is falling, the rain water will fall on the rain sensor which has aluminum wires on ...

This circuit has been very useful in filling a header tank for a reticulated water supply on a farm. Eight troughs are supplied in different paddocks where a lack of water would have serious ...

Although less flashy than some of their connected home competitors, Roost's smart smoke alarms and smoke detector batteries are genuinely useful (and economical) pieces of a connected home. Now, for ...

A couple of in-the-works features could render this our top pick in water-leak sensors; it’s already an exceptionally good product. Roost started out with a great battery that makes any dumb smoke ...