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Re: Capacitor Help



Original poster: "Brian" <ka1bbg@xxxxxxxxxxxxx>

Hi, seasons greetings, Now this has to be the best i've read all week! how
simple could a turns counter be, and heck in the toy section i saw
calculators for $.99 cant get much better than that! cul brian f.
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Tuesday, December 20, 2005 1:40 AM
Subject: Re: Capacitor Help


> Original poster: "Michael Rowe" <lozinit@xxxxxxxxx>
>
> This is similar to what I did. I can't take credit for the initial design,
> but all it involved was a trip to radioshack.
> I purchased a 3 pack of cheap translucent calculators, and a magnetic reed
> switch.
>
> I popped open the case of the calc. and soldered the pigtails of the reed
> switch to the equal button.
> Then I attached the magnet portion of the switch to the form.
>
> Simply wind two turns of wire on the form, turn the calculator on, press
> "1+1" on the calc., start the form to spinning and each revolution then
> increments the calculator by 1.
>
> It's dirt cheap, and works.
>   The only possible problem is taking a break. The very first time, I had
to
> kind of rush my breaks (It took 3 hours, I wound it REAL slow) for fear
that
> the calculator would auto shut off and I would lose my count.
>
>
>
> ----- Original Message -----
> From: "Tesla list" <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Sunday, December 18, 2005 6:35 PM
> Subject: Re: Capacitor Help
>
>
>  > Original poster: "Barton B. Anderson" <bartb@xxxxxxxxxxxxxxxx>
>  >
>
> I personally like to know exact turns, so I
>  > attach a 24VDC PNP inductive proximity sensor near one end and attach
>  > a small metal flag to the end of the form. As the form turns, the
>  > flag rotates in front of the sensor. The sensor output drives a
>  > counter (simple and sweet).
>
>
>