===== Hardware & Structural =====
  * [[Bosch-Rexroth aluminum extrusion framing system]]

===== Motors & Servos =====

  * [[AndyMark PG71 Gearmotor]] - included in KOP 2013 and 2014
  * [[AndyMark PG71 Gearmotor with encoder]] - included in KOP/FC 2015 and 2016

  * [[AMS Encoder]] - from KOP 2013
  * [[CUI Encoder]] - from KOP or FC 2015 and 2016
  * [[Encoder theory and sofware]]

===== Other Electrical =====
  * [[Homemade PoE Cable]] - how to build your own passive power over ethernet cable

===== Springs =====
  * [[Torsion Springs]] from Gardner; available at MSC