My new video project4

You have probably seen signs in public restrooms that remind people to wash their hands. And you have probably wondered just how often this sign gets ignored. Well today we are going to make a simple alarm that will tell you (and everyone else in the room) whenever someone forgets to wash their hands.

[youtube:http://youtu.be/yrhn47PkfOQ]

View the project on instructables: www.instructables.com/id/Unwashed-Hands-Alarm/