They only activate when needed, reducing energy waste and saving you money on your ... Sensor technology is evolving, and ...

Motion sensors allow cameras to activate only when they detect…well, motion. This also allows them to contact you when ...

this DIY motion trigger for a DSLR is a quick and easy build, and probably loads more fun. The BOM on [Jeremy S Cook]’s build is extremely short – just a PIR sensor and an optoisolator ...

But [hclxing] noticed that the small white controller unit — the only other component ... would probably expect to see a PIR sensor, but this light is motion sensing with microwaves.

It comes equipped with a light sensor so that it only turns on when it is dark outside, and also a motion sensor. This allows the light fitting to increase its brightness from 30% to 100% whenever ...