• On/Off
  • Direction
  • Speed control -- coarse
  • 555 timer
  • MC3479 stepper controller/driver
  • Motor connector
  • Speed control -- fine

Stepper Motor Control Electronics

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Control electronics for the sidereal tracker stepper motor

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  1. Kalalika 62 months ago | reply

    Thanks! I'll have my husband tinker with that since I am retarded when it comes to electronics.
    Our last argument was because he wanted to open up my Nikon d70s, HAH, yeah riiight.

    btw, that link is forbidden.

  2. Phliar 62 months ago | reply

    The link is now fixed. (I had to re-install Ubuntu on the server, and it took a long time to recover because Wordpress on Ubuntu makes the asinine decision to store content in /usr/wordpress. For shame!)

  3. jrthills 55 months ago | reply

    I too, am interested in the schematic for this circuit. I tried the link given but got no connection.
    Thanks in advance.

  4. Phliar 28 months ago | reply

    New, fixed link: www.languid.org/blog/index.php/2007-09/motorized-star-tra...

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