4 and 19 pins are used to adjust the display contrast through a resistor. I use a 1 Mega Ohm variable resistor. Acceptable contrast ~270kOm.

Unexpected Maker's SQUiXL is a battery-powered ESP32-S3 WiFi and Bluetooth IoT controller and development platform with a ...

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 ...

Recently, ‘Liquid crystal display (LCD) vs. organic light-emitting diode (OLED) display: who wins?’ has become a topic of heated debate. In this review, we perform a systematic and comparative ...

Samsung has launched a 32-inch Color E-Paper display (EM32DX) for $1,200. It features QHD resolution, ultra-low power use, 200-day battery, and smart content management.

The Raspberry Pi is a credit card-sized computer capable of running full-fledged Linux distributions such as Raspberry Pi OS, ...

P opular PC case and components manufacturer Lian Li has just announced a new 360mm AIO liquid cooler. The Hydroshift II ...

Make the most of your work, games, or movies with the right monitor. Here's how to shop for a new display, plus the best productivity and gaming panels we've tested, backed by hundreds of deep ...

Ty Pendlebury has worked at CNET since 2006. He lives in New York City where he writes about TVs and home entertainment. Expertise Ty has worked for radio, print, and online publications, and has ...

We explain how QLED technology works and see how these TVs compare with OLEDs, as well as LCD and LED TVs. Just want to know which TVs are best in our tough, independent tests? See our expert pick of ...

OLEDs and LCD displays can be cleaned the same way. You won't need any special cloths or cleaning fluids. TV ports, such as HDMI and USB inputs, can get dusty. If you haven't used one of your HDMI ...