This simple LED current sensor measures a low voltage drop across a sensing (shunt) resistor. When the voltage exceeds about 10mV, the LED comes on. Two circuits are provided: One for sensing current ...

If you’re a long-time Hackaday reader like we are, you’ll certainly remember a rash of projects from around ten years ago that all (mis-)used an LED as a light sensor. The idea wasn’t new ...

Here is one simple circuit of a general-purpose white LED security light with Passive Infrared ... Motion sensing mechanism. At the heart of the circuit. Aspencore network. News & Analytics Products .

This pack of two Mr. Beams Wireless Motion Sensing LED Spotlights retails for $35, but you can shop it at Amazon for only $19. Buy two sets and add reliable lighting to your home, indoors and out.

[Fjord Carver] brings together an RGB LED and CdS Photoresistor to make a color sensor. Those Cadmium Sulfide lights sensors usually have a very wide swing of resistance when exposed to varying lev… ...

Whether you've got a dark closet with no electricity running to it or a freezer without a light, the Philips SpotOn LED motion-sensing portable light illuminates the dark corners of your place. In ...

Our OxyLED OxySense LED Night Light review takes a look at a very slim, warm white soft light night light with an auto sensor to adjust for various lighting conditions.

I really dig those expensive LED faucets that glow blue and red to warn you of the temp. Here's my review of the $20 nozzle attachment version. As you'd ...

The URPower Motion-Sensing Battery Powered LED Stick-Anywhere Nightlight 3-Pack Set is $12.99 today at Amazon. I can think of a number of places these would be useful in my house.