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 ...

Southwest Research Institute (SwRI) has created a magnetostrictive transducer (MST) probe that uses ultrasonic guided wave ...

When automating your smart home, much of the attention centers on cameras and lights, but I believe HomeKit door sensors are arguably among the most critical devices to add to your setup. I’ve written ...

New York City saw a notable shift in water usage during Bad Bunny's Super Bowl halftime show, with a significant reduction across all five boroughs—followed by a dramatic surge once the performance ...

Water wells are simple things, but that doesn’t mean they are maintenance-free. It can be important to monitor water levels in a well, and that gets complicated when the well is remote. Commercial ...

Is there really a miracle product sitting in the back of your fridge -- something cheap that can zap bad smells, keep your teeth sparkly white, and even treat life-threatening diseases? Its ...