By employing extremely short laser pulses, researchers have synthesized porous zinc oxide pellets that can be used to fabricate a humidity sensor, which can measure atmospheric humidity levels 1.

Pulse-ranging-technology sensors emit short bursts of high-intensity laser light at up to 250,000…times/sec. The light intensity of a PRT sensor can be up to 1,000× greater than that of a phase ...

A basic microcontroller can be used to convert a sensor's analog output into a pulse train, thereby making the output compatible with standard digital I/O ports.

Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This beginner-friendly project is perfect for learning basic electronics, sensors, and ...

A team at Trinity College Dublin has developed a graphene-based sensor technology that could have applications in wearable devices.

Yep, Ninty's just announced the Wii Vitality Sensor, a finger sensor which attaches to the Wiimote to read your pulse.