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Subject: [worldcruising] Fw: [a-w-h] Re: DIY Anemometer
From: Dennis K. Biby (dennis@XXX.XXX)
Date: Mon Dec 18 2000 - 13:53:28 EST
Ruben,
Here is a copy of a recent email from the egroup
<awea-wind-home@XXX.XXX> If you can search the archives, you may find
more.
Dennis
s/v Sun Po
SF Bay
----- Original Message -----
From: "Jan Bunk" <jan@XXX.XXX>
To: <awea-wind-home@XXX.XXX>
Sent: Wednesday, December 06, 2000 13:13
Subject: [a-w-h] Re: DIY Anemometer
> Hoi,
>
> i'm Jan Bunk and live in the Netherlands. We've a lot of wind here...
>
> I'm also planning to build a simple windspeedmeter.
> My idea was to use a small vertical axle with 3 half-pinp-pong balls.
> At the bottom af the axle make a sort needle wich rests in a metal
> plate with an hole.
> At an higher point a small ball bearing.
> between the bottom and the bearing glue a small plate which some
> holes on the axle and use a led and a fotocel to count the
> revolutions.
> Counting pulses is easier and more liniear than measuring a voltage
> from an small electro motor.
>
> For the controller, you can use a pic16f84. This is a very cheap and
> fast controller and programmable directly from the rs232 port.
> I will publish in jan or feb 2001 some pictures and software from
> this small project.
>
> A simple sketch of this you can find at
> http://www.geocities.com/janb2000nl/wind/
> At this page i will show the progress of the project !
>
>
> Greetings Jan
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