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 ...

Using a single GPIO port on a microcontroller to control N bits of arbitrary parallel binary outputs, e.g., a multi-digital display.

You may or may not be reading this on a smartphone, but odds are that even if you aren’t, you own one. Well, possess one, ...

Do you like buses, or do you just like the flippy-flappy displays they use to show route information? Either way, you’ll probably love the flip-disc clock created by [David Plass]. The build is based ...

Graphics Cards Best graphics cards in 2026: I've tested pretty much every AMD and Nvidia GPU of the past 20 years and these are today's top cards Gaming Monitors Now just $350, this 27-inch 1440p OLED ...

TCL describes them as a head-mounted OLED TV. At this price point, there's nothing else like them.

KDE is developing Plasma Bigscreen, an open-source TV interface built on KDE Plasma and Wayland for smart TVs, HTPCs, and set ...