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27th July 2010, 04:00 PM
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#1 |
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diyAudio Member
Join Date: Mar 2010
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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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28th July 2010, 02:34 AM
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#2 |
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diyAudio Member
Join Date: Mar 2007
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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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31st July 2010, 01:09 PM
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#3 |
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diyAudio Member
Join Date: Nov 2008
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Clever! E
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