assignment3

In order to avoid ruining table or desk surfaces with an olfa or exacto knife, I created a switch that lights up an LED if it senses the blade is no longer in contact with the cutting mat.  I did this by simply placing a sheet of aluminum foil under my cutting mat and attaching a wire to it and attaching another wire to my blade so that when the two came in contact, a light would start to blink, and I would know I was cutting on the wrong surface.

Arduino Sketch: switch-code

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