It is a pretty common first project to use an Arduino (or similar) to blink an LED. Which, of course, brings taunts of: you could have used a 555! You can, of course, also use any sort of ...

Before today, we probably would have said that scratch-built relay computers were the sole domain of only the most wizardly of graybeards. But this impressive build sent in by [Will Dana] shows ...

LED flashers are semiconductor integrated circuits used to turn on and off groups of light emitting diodes either sequentially or according to a programmed pattern. They are found in circuits used as ...

Vape pens therefore tend to blink if they detect a user inhaling for longer than this, which led to extended hits earning the nickname “blinkers.” The egg blinker method ignores the previous ...

It turns out there's a precise science to indicator timing in cars. Here's our deep dive to find out whether or not they all blink at the same speed. Do all car indicators blink at the same rate?

When you buy through our links, Business Insider may earn an affiliate commission. Learn more LED strip lights are a smart solution for illuminating dim areas, like under cabinets, and they can ...

It's always important to have good lighting, but some spaces require a little extra -- and that's why you should have an LED floodlight bulb. To name a few places that would benefit from one ...

Learn more › Practically every beauty influencer that shows up on my TikTok feed owns an LED face mask. Sure, you serve Hannibal Lecter realness while sporting one, but do these fancy false ...

But with so many options available, how do you choose? Inkjet, laser, LED - each technology has its own strengths and weaknesses. Do you need speed or quality? Are you printing mostly text or photos?

None of the turn signals worked, nor did the brake lights ... More 11th-grade than automotive-grade work. The ground to the ...

What dictates the timing of your car’s indicators? And what causes that clicking noise they make? Here’s how and why your turn signals look and sound the way they do. Are all indicators made ...