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 Post subject: Re: Wind turbine
PostPosted: Thu Jun 29, 2017 9:49 pm 
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I made a crude one with the motor out of a 8€ toy car.
My objective was to measure relative wind speed (not absolute) at low velocities.
Via a small protection circuit it would feed a analogue sense pin on an Arduino.
This would read the voltage every second bla-bla-bla.

Anyhow, total cost, less than 50£ (including Arduino) and I guess estimate it would have had the power to charge a single AAA even in low wind...

If you scale it a couple of orders of magnitude, to the motor of a broken 18V cordless drill, you should be able to have a nice experimental rig.


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