When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, which we call “visible light.” [rootkid] recently built an ...

Smoothie bikes are a great way to make a nutritious beverage while getting a workout at the same time. [Tony Goacher] was ...

One of the easiest and most useful smart home upgrades you can make is picking up a couple of smart light bulbs. Here’s how to get started.

Why we love it: Of every LED mask we've ever put on our face, this is hands-down the most fancy. It has 770 LED bulbs, emits ...

Description: Using an Arduino or a micro controller, we can generate cool-looking patterns with an led strip containing ...

Description: $2 for 10pcs PCBs (24 hours turnaround time) Making a good lighting system for your rc projects is not ...

Spectrum Slit a light sculpture visualizes RF activity with an SDR receiver and sixty?four filament LEDs, helping you see ...

This project demonstrates a low-cost intelligent traffic signal system using Arduino and ultrasonic sensors to reduce congestion caused by fixed-timer traffic lights. Four HC-SR04 sensors detect ...

To control traffic lights efficiently based on traffic congestion. System Initialization Table is passed as first parameter sit1.txt -- demonstrate 4 lane traffic sit2.txt -- demonstrate 3 lane ...

LED face masks offer a host of transformative skin benefits—they can reduce redness, treat acne, and minimize the look of fine lines, wrinkles, and discoloration. Even better, they don’t require a lot ...

All the turkey has been digested, and all (or at least, most of) the Black Friday deals snatched. Whether you celebrate it or not, or whether you even decorate, you’ll be seeing lots and lots of ...