Sunday, June 25, 2017

Switec X27.168 Breakout Board

Yet another breakout board for a Switec X27.168 stepper motor. It's just like the others except it's round! The board is tested and functions. It uses Fairchild/ON Semiconductor 1N4148 diode to protect the microcontroller.




































4 comments:

  1. This looks good. I'm confused though. D5-D8 appear to be grounded to each other but not back to the boards ground pad. Where as D1-D4 are!

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    Replies
    1. Updated the post with some more info. Diodes ... https://www.digikey.com/short/q70zvm

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  2. This is weird. Why doesn't the board layout match the schematic? D8 and D6 are not connected to ground. Why is that?

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