In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

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 study ...

With zero coding skills, and in a disturbingly short time, I was able to assemble camera feeds from around the world into a ...

Samsung unveils a Privacy Display filter at Unpacked. The filter protects screens from prying eyes and can be turned off as needed. The Galaxy S26 Ultra is the only ...

A newly released CIA document reveals a chilling blueprint to manipulate minds through covert drugging experiments. The report, added to the CIA's reading room in 2025, details the government's once ...

Ultra-big TVs get cheaper every year. Many 75-inch and larger models now cost what 50-inch TVs did just a few years ago. Some of our picks for the best TVs are available in even bigger sizes. At the ...