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 ...

Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...

Shark has been making some intriguing devices lately, and its newest offering is one I’m personally very excited about. The company has just announced the ChillPill — a gadget it’s describing as a ...

We asked experts about why our LED bulbs seem to die ahead of time. Here are the reasons they gave. Tyler has worked on, lived with and tested all types of smart home and security technology for over ...

The Eurasian Century is a historical and strategic tour de force, broad-ranging and full of insights. Above all, it is a necessary book, an analysis that should be required reading for everyone who ...

Scientists have discovered that applying an electric field to certain ceramics can dramatically redirect how heat moves through them.