There are three common types of touchscreens: 1 – Capacitive Invented in 1965, started catching on by mid 1980’s A capacitive touch screen consists of a glass panel with a capacitive (charge storing) material coating its surface. Circuits located at corners of the screen measure the capacitance of a person touching the overlay. Frequency changes are measured to determine the X and Y coordinates of the touch event. Require electricity to flow through whatever is…
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