The superior capacitive sensors can't go under your screen yet, and ultrasonic technology is still relatively new and expensive. Thus the optical scanner saw a resurgence in popularity.

Fingerprint scanners are an essential feature in the smartphone market. Here's how they work and what you need to know about them.

Touchscreen technology has been around since the 1970s. But how exactly does it work? Touchscreens work by using the human finger as an electrical conduit - the phone doesn't even know it's your ...

How Does Capacitive Sensing Work? Understanding the operating mechanism of capacitive sensors is key to understanding the applications to which they are well suited. Briefly, the sensors work via ...

Fingerprint scanners are an essential feature in the smartphone market. Here's how they work and what you need to know about them.

The tech behind the touch There are two types of tech when it comes to touchscreen-compatible gloves: resistive and capacitive. Resistive tech uses pressure to detect touch commands. Usually, the ...

The capacitive ink is also printed on the other end of the card where it's held, connecting it to the unique pattern so the whole thing basically serves as an extension of your fingers.