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Old 17-01-2019, 06:19 PM
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that_guy (Tony)
Local Korean Millennial

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Join Date: Dec 2009
Location: Charleville
Posts: 2,063
Finished (sort of) autofocuser build

After months of procrastinating and frustration trying to get the myfocuserpro2 MT working (minimal with temperature) I found instructions for a MUCH simpler and easier assembly. It took me a total of 15 minutes to assemble and test. Minimal soldering (which I am just... awful at anyways).

This is the link to the build I followed.

The motor I used was the popular NEMA17PG27 which has very high torque and small enough steps to not require half steps or smaller. I quickly sketched up a 3D model of the bracket on tinkercad and printed it using the local library's printing service. Printing at ABS 65% fill (which is nigh indestructible) cost me around $25. If anyone wants a link to the bracket design for Esprit 100ED (it might work for other esprits I'm not sure), let me know and I'll post it. Zip ties seem to work ok for securing it for now. As long as it doesn't slip.

Here's a GIF of it in action
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