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 ...

The 27-inch Studio Display XDR also has a 120Hz refresh rate, speakers and a webcam. Plus, the Studio Display gets a minor refresh. I've been reviewing hardware and software, devising testing ...

These days, you can buy full graphical LCD or OLED displays for just a few dollars. However, if you’re so inclined, you can actually get your own segmented LCDs made to suit your own projects. [Icoso ...

Sometimes you really need to know what the weather is doing, but you don’t want to look at your phone. For times like those, ...

A couple of days ago, I compiled a detailed roundup of all the products we’re expecting from Apple at the upcoming media “experience” on March 4, 2026. In the story, we discussed new devices like new ...

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 ...

The top smart displays we've tested can serve as an advanced alarm clock, a helpful kitchen companion, or a convenient desk-side dashboard. PCMag.com is a leading authority on technology, delivering ...

I would go wild for a nano-texture iPhone, but the option just doesn’t exist yet. Instead, I’m using the Mothca Matte Series screen protector on my iPhone 17 Pro. Speaking from experience, I recommend ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more TVs tend to stick out in our living rooms, and when they're turned off, they're basically just big black ...