Stepper motor should drive a frame to tilt, but not 360 degrees, but only within 20 to - 20 degree. What simple machine elements do you use to restrict the freedom of movement? It must be a mechanical solution, not a software one. Can it be only done through gear elements and no further addition elements?

Something like the following https://www.youtube.com/watch?v=w7v2lVsjH4g



Have a slot with a pin, the slot limits the distance the pin can move, then make sure the slot is machined to give +/- 20 degrees.

  • $\begingroup$ Can you give an image, video or link as example, is there a name I can search for these kind of freedom limiting elements? Maybe I should add it's for tilt&pan head for a camera for example. I want it to only tilt between +20 and -20 degree. Really help appreciated for further own research, as I am totally not even unknowledgeable regarding machine elements and what sorts of stuff exist. $\endgroup$ – Nono Bonono Sep 20 '18 at 15:59
  • $\begingroup$ Search for “limit stops” as a start $\endgroup$ – Solar Mike Sep 20 '18 at 19:12

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