GroG

10 years 5 months ago

GREAT WORK ADOLPH !

Bigger Better Faster Stronger !

NEXT ... CONTROL !!!

Is the next goal moving it a small amount to where you want it ?

To get there - here are a couple of possible solutions

  • A linear pot with feedback to analog line - this will give absolute postion of motor
  • A digital encoder with 2 channels - shows direction and relative position
  • A digital absolute encoder
  • A reset switch + relative steps away from the switch

What way are you thinking of ?

cyberhedz

10 years 5 months ago

This is exactly what I envisioned when we discussed this the other day, I'm so glad to see it working.  Like Grog said, we need feedback, and to get the rest of the shoulders built around it.  I'll definitely print this instead of the stepper versions.

GroG

10 years 4 months ago

Stepper is published with test script - http://myrobotlab.org/service/stepper 

get the latest 1.0.43 - you'll need to update MRLComm.ino (ver. 17 I believe)

Nothing works the first time.  If you get no movements out of the stepper - there could be a variety of reasons.  The first which comes to mind is the pulse width on the step .. currently I'm only using a micro-second delay - (according to the specs of the controller - it says this is ok - but you never know until you try)

Good luck ! :)

Yes   I redesign the total thing incuding lower lower torso. I think ik am master of gears now. I baught design pakage and study all type of gears. Took i while but i am ok with gears now.