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[TCML] Coil winding - cheap turn counter
Here's a picture of the coil winder we built:
I just did 1308 turns of #30 wire on a 3.5" form. We used a stepper motor controller (K179) which worked out cheaper than a PWM controller for a DC motor. There are controls for speed, direction, and a footswitch to start turning.
The little box at the bottom of the picture (with 1308 on it) is a counter from an exercise machine. It has a mercury tilt switch in it and can be attached to the form or axle and every rotation it increments the count.
It also tells you time spent winding, and calories burned while winding - always good to know.
For $2.65 you can't go wrong.
317 201 4281
The Laser Harp Project - www.stephenhobley.com/build
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