Where can I find a digital counter for turns?

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Discussion Overview

The discussion revolves around finding a suitable digital counter for a winding machine that can count turns and subtract backwards. Participants explore various options, considering factors such as cost and size.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant expresses a need for a counter that is not only functional but also compact and cost-effective.
  • Another participant questions the definition of "fairly expensive" and suggests that the price range for machines starts at $50.
  • A suggestion is made to repurpose a second-hand odometer counter from a scrap car, noting that it can be modified to reset to zero.
  • Optical position encoders are proposed as a low-cost alternative, along with the necessary driving circuitry for those with soldering skills.
  • Reference is made to model aircraft builders who modify calculators or cassette tape counters to create a turns counter.

Areas of Agreement / Disagreement

Participants present multiple competing views on potential solutions, and the discussion remains unresolved regarding the best approach to take.

Contextual Notes

Participants do not specify the exact requirements for the counter, such as the maximum number of turns or the specific dimensions that would be considered acceptable.

Who May Find This Useful

Individuals looking for cost-effective and compact solutions for counting turns in mechanical applications, particularly in winding machines or similar devices.

kolleamm
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I have a winding machine that needs a counter to count it's turns, subtract backwards also. I did a search but most results were fairly expensive and bulky.
Any help is appreciated.

Thanks in advance
 
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kolleamm said:
fairly expensive
How large a number is "fairly?"
 
Bystander said:
How large a number is "fairly?"
The machines are from $50 and up. Money isn't a huge problem it's just the size.
 
Why not use a second hand odometer counter out of a scrap car instrument panel.
Remove the worm reduction and drive the end counter directly.
If you use a trip counter you will be able to reset it to zero.
 
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Optical position encoders are very cheap and so is the driving circuitry (if you are hand with a soldering iron).
 
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Thank you for the suggestions everyone, I will try out your ideas.
 

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