Two-axis servo schematic and board

I didn't originally include the eagle-format schematic and board for this project. Well, here it is. I suggest revising this board to use separate Vdrive and Vcc power inputs if Vdrive is above 12V. Another approach might be to switch to a TO-220 regulator—as I noted in the other entry, the TO-92 gets quite hot if you try to run it on 24V. My first guess is that the logic draws up to 100mA, depending on the encoders. It would also be a good idea to ensure the capacitors are appropriate to the task.

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Entry first conceived on 22 May 2006, 13:13 UTC, last modified on 15 January 2012, 3:46 UTC
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