Paul<p>Soo… I bought another plotter. It was close by, dirt cheap, and came with some other goodies I’ll share later. <br>On power up, the pen carriage homes all the way to the right, but never stops. I don’t see any limit switches, and it goes on for much longer than it would take to do the entire travel.<br>There’s this flywheel looking thing labeled Ferrofluidics corp, which looks suspiciously fancy (it’s got a serial number). <br>The stepper motor has 8 wires.<br>So.. what gives? Anyone know how a mechanism like this would have homed itself, or what that mysterious blue object is?<br>It’s an intriguing mystery… plus I’d love to actually get this working; it’s a nice medium size between my other two plotters. <br><a href="https://oldbytes.space/tags/penPlotter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>penPlotter</span></a> <a href="https://oldbytes.space/tags/stepperMotor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>stepperMotor</span></a> <a href="https://oldbytes.space/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> <a href="https://oldbytes.space/tags/retroTech" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>retroTech</span></a> <a href="https://oldbytes.space/tags/retroComputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>retroComputing</span></a></p>