I just published article that should be interesting for someone from there:
https://12in.cz/projekt/id/16_Modularni ... ych-posuvu
It is in czech language but i hope that it should be helpful over GooglENer too:
https://translate.google.cz/translate?s ... ych-posuvu
Raspberry Pi implementation | 3D Micro & others
Moderators: rjlittlefield, ChrisR, Chris S., Pau