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 ...

With zero coding skills, and in a disturbingly short time, I was able to assemble camera feeds from around the world into a ...

The Korea Research Institute of Standards and Science (KRISS) has developed an ultrasonic sensor technology that applies a ...

A new ultrathin photodetector from Duke University can sense light across the entire electromagnetic spectrum and generate a ...

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 ...

Automating screen brightness on Windows based on time of day or battery level saves your eyes and extends battery life.