5 More Hacks for Your Discarded Electric Toothbrush

5 More Hacks for Your Discarded Electric Toothbrush


Direction finding is critical for hikers and campers. Magnets can be useful to locate the North/South bearing and possibly even save a life. Here are three ways to make a compass with your motor magnets:

Spoon Compass

Break the handle off a small plastic spoon and stick a small piece of adhesive foam tape to its center. Notice the bottom curve where the spoon balances, and stick the magnets there on the foam tape. Ensure the spoon can spin freely. If not, remount the magnets until it does.

Spin the spoon several times and it should always stop in the same position, which indicates the North/ South direction. Be sure to do this on a flat, smooth surface without any other magnets nearby.

Thread Compass

Wrap or tape a piece of thread to two motor magnets. Suspend the magnets, and they will eventually stop in the North/South direction.

Needle Compass

You can use a needle to make a sneaky compass — but instead we’ll use the small V-shaped magnet clip from inside our motor!

Straighten the clip. To magnetize it, stroke it with a magnet 20 times in the same direction. Stick the clip through a piece of sponge or adhesive foam tape and gently float it on the surface of still water. The clip will eventually settle and point in the North/South direction.

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