Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision | Next revision Both sides next revision | ||
workshops:public:led_pinwheels:start [2019/05/31 15:29] pmusk [Instructions] |
workshops:public:led_pinwheels:start [2019/11/14 11:03] pmusk [Summary] |
||
---|---|---|---|
Line 9: | Line 9: | ||
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 ==== |