The steps to make a generator for charging cell phones are as follows: 1. Find a ceiling fan with plastic blades 2. Remove the leaves from the ceiling fan, disassemble the whole machine and remove all the nuts. inside 3. Close the fan, use a long screw to clear any screw holes from front to back 4. Add an iron rod or something (as long as it can't slide 5 . Connect the plug to the connection board). , do not connect the power supply to the fan. Turn on the switch 6. Plug the mobile phone charger into the same plug-in board, quickly turn the motor, and the mobile phone can be charged
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