In lugnet.robotics, Steve Hassenplug wrote: (snip) (...) (snip) Nevermind the controls, how'd you build the hopper? ;-) I really like your solution, with the rotating arm that unloads it, creating an auto-reset for the hopper. I've been frustrated (...) (20 years ago, 21-Jan-05, to lugnet.robotics, lugnet.trains)
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