A Touchpad using Plastic and Aluminum Foil

The easiest, cheapest and fastest way in which we could implement a touchpad was to use simple metal strips horizontally and vertically. When the user touches, the two strips come in contact and this is detected by a micro controller. This data is then sent to the computer.

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Our touchpad.

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The aluminium strips.

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Tape used as insulation.

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Visualization on the computer.

Materials: Aluminum foil, plastic sheets and tape.
Software: Processing and Arduino IDE.
Hardware: Arduino USB Board.

Code on Github: https://github.com/paramaggarwal/touchpad

Made by Mukul Bharti and Param Aggarwal.

Originally published at paramaggarwal.com.

Written by

Software guy. When you try to tell computers what to do, you eventually learn about human nature as well. (http://paramaggarwal.com)

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