Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...

As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for super cheap, and they're incredibly versatile. When you're done using an ...

The tunnel magnetoresistance (TMR) current sensor is promising in high-frequency, high-power-density power converters for their small size, high band-width and non-intrusive measurement. This paper ...

Studies have shown that using smartphones while walking-called distracted walking-significantly increases the risk of pedestrians colliding with dangerous objects. In this paper, we explore how to ...

The Changhong H2 is the world's first smartphone with a molecular sensor, the SCiO scanner from Consumer Physics.

LiDAR sensors are used in professional and scientific settings all the time, but why have them on a smartphone? Turns out, there are some good uses.