The touchscreen is the core component of every all-in-one touch computer. Different touch technologies determine the applicable scenarios and service life of the equipment. The four mainstream touchscreens serve different industries. A proper choice will make your project smooth, while a wrong selection may render the whole device useless.
Resistive screen is the earliest touch technology. It requires physical pressing to register input, featuring low sensitivity and no multi-touch function. It is nearly obsolete nowadays and only used in old low-end devices, which is not suitable for modern industrial projects.
Ordinary capacitive screen is widely adopted on smartphones and home all-in-one PCs. It senses the weak electric current from human bodies and responds to light taps smoothly. However, it has obvious drawbacks: it cannot work with gloves, water or any covering material. It is only suitable for clean office environments.
Infrared screen is the top choice for large public displays. It relies on an infrared matrix around the frame. It works with fingers, gloved hands, styluses or any other object. With good dustproof and anti-interference performance, it is ideal for security monitors, government inquiry terminals, factory workstations and outdoor public kiosks.
Electromagnetic screen delivers high-precision pressure-sensitive writing. It detects stroke thickness and pen tilt with zero lag. It is a niche yet essential solution for medical documentation, professional drawing and high-end electronic whiteboards.
Selection principle recap:Capacitive for office use;Infrared for public large screens;Electromagnetic for professional writing;Resistive only for legacy low-end equipment.



