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 ...

Gaming PCs One Redditor has 3D-printed a big yellow air duct to attach to their GPU, and the results are middling: It 'does nothing but it looks cool' Gaming Keyboards As an ergonomic keyboard skeptic ...

Designed for M5Stack Atom, AtomS3, and AtomS3R series IoT controllers based on ESP32 or ESP32-S3 wireless SoC, the Echo Pyramid base enables smart voice ...

Apple reportedly plans to release a new Studio Display in the first half of 2026, and there have been plenty of rumors about the monitor lately. The current Studio Display launched in March 2022, ...

This section defines the network credentials and server details required for sending the email. The ESP32-CAM connects to WiFi using the SSID and password. The host address, HTTPS port (443), and API ...

Most people love arcade games, but putting a full-sized arcade cabinet in the living room can lead to certain unpleasant complications. Ergo the market for fun-sized cabinets has exploded ...

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

The top smart displays we've tested can serve as an advanced alarm clock, a helpful kitchen companion, or a convenient desk-side dashboard. I’m PCMag’s home theater and AR/VR expert, and your go-to ...

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, even if ...

Displays are devices for presenting information or recreating still or moving images. Numerous optical technologies are used in displays, including organic light-emitting diodes and inorganic ...

Portable monitors have gained in popularity, and it’s easy to see why. They’re a boon to both desktop and laptop users. While portable monitors might not reach the large screen sizes of conventional ...