Plastic Windmill- Science-toy windpower generator help needed.
I am currently planning another kid-science project.
I am still learning about electronics myself, and therefore would apreceate any help to complete a concept to create a wind generator that could power or blink a LED (maybee just at night to save power).
I have attached a image with most info
( PNG version at http://www.nottoxic.com/wapcc/ae/aqua/windmill.htm )
but here a short review of what I am trying to achieve.
I want to build a renewable energy powered toy/project.
I thought of using windpower since we have lots here, while the weather is allways crappy, so solar cells wont be a good choice (next to price and allready used in other projects).
I recently re-read a electronic book I had as a kid myself, and saw the coil-magnet electricity experiment. This would be very easily build and save lots of money. Buying whole classroom sets where the motor/generator alone costs 1 Euro out of my own pocket would cause this project to be put aside right away.
I am aware that the magnet running over a coil wrapped around metal core will not produce much current, but I thought using a stepup converter or multiple coils, and charing the whole day, might be enough to at least charge a capacitor with 2-3v and enough milliampere that will discharge at night to blink a LED at 0.5 Hz or so.
ANY ideas aprecheated ;-)
Now prepare for another lo-fi concept image from myself...
(full PNG version at http://www.nottoxic.com/wapcc/ae/aqua/windmill.htm as well )