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Transformer Bobbin Turns Counter
Transformer Bobbin Turns Counter
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Old 27th July 2010, 04:00 PM   #1
speakerman is offline speakerman
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Default Transformer Bobbin Turns Counter

Does anybody have any suggestions for buying a commercial Turns Counter (to 5 digits) or how to build one myself? Thanks for your responses.
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Old 28th July 2010, 02:34 AM   #2
star882 is offline star882  United States
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Take a cheap calculator and wire a sensor (a reed switch, perhaps) across the "=" button. Then press "1" and "+" and start using it.

Or you can build one using a PIC. But the calculator approach is probably as cheap as it gets.
"Fully on MOSFET = closed switch, Fully off MOSFET = open switch, Half on MOSFET = poor imitation of Tiffany Yep." - also applies to IGBTs!
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Old 31st July 2010, 01:09 PM   #3
mickeymoose is offline mickeymoose  Canada
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Clever! E
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Old 31st August 2010, 07:12 AM   #4
musician9 is offline musician9  United States
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Location: Beautiful Southern Oregon, USA
I'm impressed star882! That's way too cool!

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