1. DIY Mini Fan for Summer
If you have a DC motor from an old toy or gadget, you can easily turn it into a portable mini fan.
What you need:
A small DC motor
A plastic bottle cap or small propeller blade
Battery holder with AA/AAA batteries
Switch and wires
How to do it:
Attach the fan blade to the motor shaft, connect the motor to the battery holder through a switch, and your DIY fan is ready. This is a simple way to beat the summer heat without spending extra money.
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2. Handheld USB Mobile Charger
Yes, you can actually make a mini hand-crank charger using a DC motor. When you rotate the motor manually, it works as a generator.
What you need:
A DC motor
Small handle or gear for rotation
USB female connector
Wires
How to do it:
Connect the output wires of the motor to a USB port. Attach a handle or gear to the motor shaft and rotate it. This will generate enough electricity to give your mobile some emergency charge. Perfect for camping or power cuts!
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3. DIY Electric Toy Car
One of the most popular life hacks with DC motors is building a mini toy car.
What you need:
2 DC motors (for the wheels)
Plastic bottle or cardboard base
4 toy wheels
Battery holder and wires
How to do it:
Fix the motors on both sides of the base, attach the wheels, and connect them to the battery holder. Your homemade electric car is ready to zoom around. It’s a fun project for kids and a great way to recycle old materials.
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