Micro servo, PRODUCT ID: 169, questions

[wchspltw]

I bought a micro servo for a student's project. I am most familiar with the VEX system servos with their shaft collars and fitted axles. The micro servo technical specifications did not list the type of thread, diameter, or spline count for the shaft of the servo. I am not sure how to fasten it to their project. Any information on fastening hardware sources or tech specifications would be appreciated. Links to projects would be awesome! We are using it with an Arduino.

Thank you!

[adafruit_support_bill]

Unfortunately, there are no standards for micro servo splines. So attachments designed for one servo may not fit another.
I believe that the SG92 has a 4.6mm shaft with 20 splines. But Tower has been known to change things. The shaft is nylon, so a self-tapping retaining screw is used.

Depending on the project, one approach is to use the servo horns and screw that come with the servo, and attach them to the project with screws. This is the method used in the pan/tilt servo: https://learn.adafruit.com/mini-pan-tilt-kit-assembly

Another approach is to use a friction fit. Make a hole slightly smaller than the nylon shaft so that it is coupled by friction and/or drop of glue. This is the technique used in the Bionic Eye. https://learn.adafruit.com/3d-printed-b ... -mechanism