/members-area/personalblogs/b/blog/posts/stepper-motor-frustrationI need to be able to drive a few stepper motors moving in microstep, each motor will have a 1kg shape attaced directly to its rotor. The stepper motor I have to use is the Astrosyn MY6403-02N (24V, 1.5A, Step 1.8 degree) The reason for mic...en-USTelligent Community 12https://community.element14.com/members-area/personalblogs/b/blog/posts/stepper-motor-frustrationSat, 14 Sep 2013 20:14:45 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:b1c0ae23-94db-438b-a140-6c86f8c034dashabaz2<p>Hi Chris,</p><p>&nbsp;</p><p>I&#39;m afraid I&#39;m not too familiar with PICs (and also am wondering if the noise may be partially due to mechanics like bearings).</p><p>However, SPI is a popular protocol (much like I2C), and there should be lots of documentation on the Internet, specifically for the PIC too,</p><p>Have you seen <a class="jive-link-external-small" href="http://ww1.microchip.com/downloads/en/devicedoc/spi.pdf" rel="nofollow ugc noopener" target="_blank">this doc</a>?</p><img src="https://community.element14.com/aggbug?PostID=16459&AppID=293&AppType=Weblog&ContentType=0" width="1" height="1">