Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely on the ...

Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...

Here are the best TVs I've reviewed, including OLEDs and mini-LEDs, from top brands such as LG, Samsung and TCL.

Our list of the best TVs of the year includes budget-friendly models and top-shelf flagships ...

Find the latest tech, electronics and gadget deals compiled by bargain hunters from Engadget.

There are dozens of streaming services out there today, all of which with different content libraries and prices. These are the best ones you can subscribe to today.

Mura is a typical vision defect of LCD panel, appearing as local lightness variation with low contrast and blurry contour. This letter presents a new machine vision inspection way for Mura defect ...

Liquid-crystal display (LCD) was invented in 1964 at RCA Laboratories in Princeton, NJ. In 1970, twisted-nematic (TN) mode of operation was discovered, which gave LCD the first commercial success. The ...

Need a compact, capable projector you can take with you for presentations on the road—or just to tote outside for backyard movies? Here's a look at the top-rated models we've tested.