A Rutgers-led team of scientists has developed an eco-friendly, very stable, ultra-bright material and used it to generate deep-blue light (emission at ~450 nm) in a light-emitting diode (LED), an ...

Discover the step-by-step process of creating a powerful music reactive LED strip circuit in this comprehensive tutorial.

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

When light strikes the photodiode’s active region, current flows from cathode to anode. Ideally, this entire photocurrent ...

Middle school students in a UNLV and University of Nevada, Reno Extension workshop learned how to grow plants in a ...

Amazon is offering a sweet deal on this solar 2-in-1 bug zapper, which features an LED light that can be used at night. Shop this 25% off deal to eliminate those biting mosquitoes.

After a brief stint in the IT industry, Terrence made the transition to tech journalism over 15 years ago and hasn’t looked back. As managing editor of Engadget, he led an impressive team of reporters ...

Build a Speed Sensor using Arduino with IR speed sensors to accurately measure the speed of moving objects. This tutorial covers circuit design, sensor calibration, speed calculations, and optimized ...

Philips makes a wide number of smart LED lights that offer a mix of colors and lighting effects that you can control remotely. Here’s a guide.

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.

You can’t screw up Arduino’s new DIY electronics kit The $87 Plug and Make Kit includes an Arduino microcomputer, electronic components, and tutorials for building several IoT devices.

Aside from the Uno and the ultrasonic sensor, you also need a PHPoC Shield to connect the board to the internet and a power supply to power up your Arduino.