Touch screen is composed of touch detection component and touch screen controller. Touch detection component is installed in front of the display screen to detect the user's touch position and receive the backward touch screen controller. The main function of touch screen controller is to receive touch information from touch point detection device and convert it into contact coordinates. It can also receive commands from the CPU and execute them.
Touch screen is composed of touch detection component and touch screen controller. Touch detection component is installed in front of the display screen to detect the user's touch position and receive the backward touch screen controller. The main function of touch screen controller is to receive touch information from touch point detection device and convert it into contact coordinates. It can also receive commands from the CPU and execute them.