24 HOUR SALE: ALL T-SHIRTS 20% OFF!
NeatoShop's last T-shirt sale of the year: get 20% off all T-shirts. Expedited X-mas shipping available - get yours now before the sale ends Dec 19, 2014.

Computer Touchpad Made out of Paper


(Video Link)


Afrotech Forums user Dr. West made a functional touchpad out of a piece of paper with graphite rubbed on it:

There isn't much to explain here. It just uses pencil graphite on paper as a kind of two dimensional potentiometer. Four voltage dividers between 5v, 2M ohm resistors, the paper, and my grounded finger feeds signals from each corner into an Arduino. The Arduino does some insufficient math and spits out mouse coordinates that are not linear.


Link via Geekosystem

Newest 2
Newest 2 Comments

Commenting is closed.
Email This Post to a Friend
"Computer Touchpad Made out of Paper"

Separate multiple emails with a comma. Limit 5.

 

Success! Your email has been sent!

close window