Building an Arduino speed detector using IR technology to measure the speed of a moving object is much more cost-effective, ...

Pin connection of Arduino Uno with the Motor driver are as follows ... Then test it over your black line - the LED should light up clearly. This sweet spot in calibration is crucial for reliable line ...

These devices have key drawbacks. Water level indicators require manual pump operation and often waste power as multiple LEDs ...

When the only tool you have is a hammer, every problem looks like a nail. An LED ornament for the Christmas tree can be built in any manner of simple, easy implementations. You certainly don’t ...

Here’s how it works. Nanoleaf's LED Light Therapy Face Mask has been certified by the FDA, which regulates medical devices in the US, and the company says it heralds an "exciting evolution and ...

LED light bulbs are bright, energy-efficient and can be equipped with extra features, unlike regular bulbs. Whether you're looking for maximum brightness in darker rooms or you want a light source ...

So I decided to ask installers and LED manufacturers why it seems like LED lighting fails like this. I found out there are good reasons why it happens and a lot we can do to stop it. Here are the ...

The best LED face masks combine different wavelengths of light to target different skin concerns. For example, red light boosts collagen production, while blue light cleanses and attacks bacteria ...

Toshiba Electronics has introduced a 60V 1A single-contact photo-relay in a 2.6 x 7mm 4pad SO4 package. Called TLP3640A, it can switch 60Vdc or 60Vac peak, with a typical on-resistance of 0.14Ω and ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The best solar lights will keep your backyard or porch lit once the sun goes down.

Are you looking for a charger? These UGREEN Uno chargers are super fun and cute, and they are also on sale for Prime members.

Here’s how it works. Only days after Hisense revealed a TV that uses an RGB mini-LED backlight, the Hisense 116-inch UX, which it said will drastically improve brightness and color accuracy over ...