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 ...

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 ...

So you’ve decided to invite Amazon’s smart assistant into your home? How hospitable. Smart speakers are all very well, but if you’d like Alexa’s smarts inside a smart display, this is the list you ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

At the outset of the Milan Cortina Games, I thought that America could have a historic Olympics in figure skating, with realistic gold-medal hopes in four of the five events. Team USA started by ...

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 ...

With nearly two decades of retail management and project management experience, Brett Day can simplify complex traditional and Agile project management philosophies and methodologies and can explain ...

You need antivirus software. Attacks on your PC keep getting more sophisticated, thanks to the help of AI—we’re seeing more and more AI-fueled attacks as the months tick by. Even the tech-savvy and ...

Writing a business plan not only helps you stay on track as you start a new business, but it can also help you secure funding. You can create one from scratch with a simple template, but business plan ...

It drives species to extinction. It fuels organised crime. It deepens poverty by stripping communities of livelihoods and resources. It damages ecosystems that mitigate climate change. It spreads ...