Stepper motor with a four LEDs (wind turbine generator)
This stepper motor has 8 schottky-diodes to rectifier electricity. Switched-mode power supply raises voltage up to 3 volts. (Joule Thief oscillator) LEDs working when about 50 RPM.
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lol
hey looks like yours are good to, cheers
what kind of stepper motor did u use for this?
a joule teif is not a smpsu it is just a renonating auto transformer, a smps needs much more parts and ic’s