The Urumbot (or Ubot) is a 2D drawing machine demonstration of Urumbu motion control, using nodes powered and addressed over USB, receiving serial step-and-direction.
Haystack (Alfonso Parra Rubio) version:
Simplified (bearing-less) version:


The Urumbot (or Ubot) is a 2D drawing machine demonstration of Urumbu motion control, using nodes powered and addressed over USB, receiving serial step-and-direction.
Haystack (Alfonso Parra Rubio) version:
Simplified (bearing-less) version: