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workshops:public:led_pinwheels:start [2019/05/31 15:29] pmusk [Instructions] |
workshops:public:led_pinwheels:start [2020/06/04 16:29] Michelle Brown |
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This set of instructions details how to construct a pinwheel that uses a rubber band to drive a low-voltage generator. | This set of instructions details how to construct a pinwheel that uses a rubber band to drive a low-voltage generator. | ||
When the current produced is passed through a Joule Thief circuit, the energy from a freely moving pinwheel spinner | When the current produced is passed through a Joule Thief circuit, the energy from a freely moving pinwheel spinner | ||
- | is sufficient to make an LED glow. | + | is sufficient to make an LED glow (red, yellow and green LEDs require a lower voltage, and are more successful). |
==== Materials ==== | ==== Materials ==== |