Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...
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How to make a mini vacuum cleaner from plastic bottles & a DC motor | DIY step-by-step tutorial
Learn how to create a functional DIY mini vacuum cleaner using everyday materials like a plastic bottle and a small DC motor.
This circuit takes advantage of the voltage drop across bridge rectifier diodes to produce a 5-position variable voltage supply to a DC fan or other small DC motor. It is not as efficient as a ...
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