The concept behind our switch is a way to notify people when someone relapses. If someone were trying to quit drinking a particular beverage, with this setup when they grab that drink a light will turn on notifying people they know who could stage an intervention and help. Our switch uses a 5 volt power supply connected to a breadboard , a 100 ohm resistor, two alligator clips, a green LED, and two pieces of aluminum foil. One piece of foil is on the bottle, connected to one alligator clip, and the other piece of foil is on the user's hand connected to the other alligator clip. When the two pieces of foil touch, the LED lights up.
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