Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...
Learn how to make a simple electric doorbell at home in this step-by-step tutorial. Using everyday materials like cardboard, a DC motor, battery, metal bowls, a clothespeg switch, and basic wiring, ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback