Author Topic: Digital counter for coil winding machine  (Read 1970 times)

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Offline radhooTopic starter

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Digital counter for coil winding machine
« on: May 25, 2013, 05:49:39 AM »
Not related to robots directly, but useful in many situations,  here is a new little project I've been working on yesterday:  a simple digital counter, that uses a reed relay and a little magnet placed within a coil winding machine, to count the actual turns.

The circuit diagram is straight forward . I went for 3.3V , to be able to use the Nokia 5110 LCD:

More details, Eagle SCH and code,  available here:

And there is also a youtube demo video:


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