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 ...

Filament at the ready.

James Bruton’s one-ball bike balances and moves omni-directionally; each omni-wheel uses 216 bearings, but steering is inconsistent atm ...

Have a major deliverable coming up that involves lots of people and tasks? The top project management apps we've tested can help you keep your team on track. I'm an expert in software and work-related ...

A lawsuit argues that the state’s regulations would illegally force a rapid transition to electric vehicles. By Maxine Joselow and Lisa Friedman Brian Joondeph, a Colorado-based ophthalmologist and ...

I've used my Flipper Zero to replace lost remotes, open security doors, and more. Here's how to get started with your new favorite hacking tool. I’ve been writing about technology since 2012, focusing ...