/challenges-projects/design-challenges/ultimate-roadtest/b/blog/posts/the-nice-asgard-project-part-7---stepper-motors-work-for-the-frost-giantsAnother delivery this week, this time from ebay. After finding I had the wrong kind of stepper motors in stock, I acquired a spare from ebay, this time a unipolar one. Excellent, one problem however, what is on the datasheet isn&#39;t translating to realen-USTelligent Community 12https://community.element14.com/challenges-projects/design-challenges/ultimate-roadtest/b/blog/posts/the-nice-asgard-project-part-7---stepper-motors-work-for-the-frost-giantsTue, 29 May 2012 10:56:10 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:45c71124-7e31-43bd-ab46-84df5a05255fssilberhorn1<p>Hi John,&nbsp; &quot;The other four being A, /A, B, /B.Now, regardless of how it is wired to the DDRV8805, the motor will simply not turn, it will lock in place and try to move, but nothing more. Anyone know of how these wires translate to the OUT1, OUT2, OUT3, OUT4 on the EVM?..&quot;</p><p>&nbsp;</p><p>Advice from the TI engineer... &quot;..<span>look at the output on an oscilloscope and use this to match to the motor wires...&quot;<br /></span></p><img src="https://community.element14.com/aggbug?PostID=13565&AppID=113&AppType=Weblog&ContentType=0" width="1" height="1">