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 ...

There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

In his decades-long career in tech journalism, Dennis has written about nearly every type of hardware and software. He was a founding editor of Ziff Davis’ Computer Select in the 1990s, senior ...

As a staff writer for Forbes Advisor, SMB, Kristy helps small business owners find the tools they need to keep their businesses running. She uses the experience of managing her own writing and editing ...

To help you effectively understand and manage the finances of your small business, we've tested the top accounting software based on customization, features, ease of use, value, and more. I’ve been ...