Solar Panel Led Circuit

Schematics for Electrical circuits help?
Can someone help my in finding the schematics for an electrical circuit where when you put in mechanical energy (rotating a handle) electrical energy is generated(a bulb gets powered), and also 1 for a simple solar panel to led circuit
thank you
you know like the hand cranked flash lights…
I think i know what u mean,
here is a great java applet: http://www.falstad.com/circuit/
Hope it helps
Simple Light Sensor Circuit – Leds on by night off by day (tree of light) JB
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