MC3 Mk II Motor Controller for Telescope Mounts with UMi Pro Planetarium and Telescope Control Software

 
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joe perry
Mar 19, 2016
This customer purchased the item at our site.
I am running two of the mc3 boxes. I used one on a home built pipe mount with Byers expensive RA and DEC gears. Interface to the mc3 is easy to use. I use the synscan handbox controller and not the mc3 handbox. i have not tried the mc3 handbox.

Advantages: You can use almost any type of stepper motor. But, if the stepper rotates too fast then the GEAR RATIO has to be large. If the stepper rotates too slow it might stall. Watch the wiring for the 4 and 6 wire steppers. Both will work if wired correctly. You can get the GPS syncscan adapter from Canada Company. That lets it set the lat/long and time.

Disadvantages: Warning, if you use the synscan hbx, it must have version 2.27 or 2.28. Any other code will not work. Do not buy the synscan 3.x or upgrade the one you might purchase. You can not downgrade from 3.x to 2.27. I tried that and it did not work with the mc3. I have had to play with the GEAR ratio the MC3 uses. You have to do some star tracking and determine the too fast or too slow error and adjust the Gear Ratio number in the MC3.

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