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Basic Circuits Kit: Pencil Dimmer Switch | Science Project

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https://www.youtube.com/watch?v=nwfqwTo3K0g

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How to Make a Dimmer Switch with a Pencil

Science Fair Project Idea

Dimmer switches let us control the brightness of a light, anywhere from completely off to full brightness. This can be nice when you want to set the brightness "just right," as opposed to a regular light switch that only lets you turn a light on or off. It turns out that you can make a dimmer switch out of an everyday object—a pencil! Try this project to find out how a dimmer switch can control the brightness of a light. Read more

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