This is a RobotDyn 4-digit 7-segment LED display library for Arduino. The PCB contains a two wire TM1637 LED / button controller. Note: This library uses the double-dot to display a time. The LED dots ...

Global brand LG is launching a new line of high resolution monitors ahead of CES 2026, including two gaming monitors, and one model particularly suited to Mac users. For the initial round of monitors ...

Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called ...

Have you heard the saying “the problem is the solution”? It seems to originate in the permaculture movement, but it can apply equally well to electronics. Take the problem [shiura] ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Dave Gershgorn Dave Gershgorn is a writer covering monitors, laptops, and ...

I’m PCMag’s home theater and AR/VR expert, and your go-to source of information and recommendations for game consoles and accessories, smart displays, smart glasses, smart speakers, soundbars, TVs, ...

Looking for a decent laptop under $500? Yeah, it’s kind of a mess out there. One quick search and you’re drowning in options–most of them pretty meh. The key is knowing what actually matters. Shoot ...

Buying a new TV shouldn't feel like homework, but with endless brands, complicated specs, and flashy marketing terms, it often does. If you're wondering which models are actually worth your money, you ...

Abstract: Due to the differences in the luminous intensity and peak wavelength of each mini-LED, mura has become a key constraint in display applications. To solve this problem, an advanced demura ...

This projects build a LED light source for a photographic enlargers. All content is free to be used for non-commercial purposes. Any LED power setting can be used from 16 LED (small 35mm direct light ...