The Working Principle Of LCD Touchscreen

- Apr 19, 2017 -

For easy operation, people use a touchscreen instead of a mouse or keyboard. At work, we must first touch the screen with your fingers or other objects on the front of the monitor, and then locate the selection input based on the icon or menu position of the finger touch. The touchscreen comprises a touch detecting part and a touchscreen controller; A touch detection part is mounted in front of the monitor screen. Used to detect the user touch location, accept the touch screen controller; The main function of the touchscreen controller is to receive the touch information from the touch point detector and convert it to the contact coordinates, and then to the CPU, which simultaneously receives the commands sent by the CPU and executes it.

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