Lightbiz LED Motion Sensor Light ($25.99 for pack of two): These light strips come with a small remote control that you can use to dim the lights, and turn them off after 10, 30, 60, or 120 minutes.

Dual-Use Devices The concept of using an LED as a sensor is much like using a speaker as a microphone. Flip things around, and instead of emitting light, the LED senses it instead.

If you’re looking for brightness, our best LED outdoor motion sensor light is the LEPOWER LED Security Light. This large, three-part motion sensor light has a range of up to 72 feet, though it ...

We found a motion-sensor cabinet light available for 38% off that will make your life that much easier. The LEPOTEC 30-LED Motion Sensor Cabinet Light features 30 lamp beads that emit a brightness ...

The amount of light reaching the LDR from the LED decreases as the pipe is bent, and with a simple divider circuit a voltage can be read by an Arduino.

It is a reflective sensor that performs sensing using the reflection of light when the product is pointed at an object to be sensed. The KPR series has two types of reflective sensor, the KPR-DS6 ...

Motion-sensor lights at this scale would significantly help UF’s energy waste and ecological footprint. To preserve energy, this could be done by ensuring lights were always turned off when a ...