Marble Machine April 2020

This mega marble run was a shed project whose design and build occupied me during the Covid-19 lockdown. It incorporates a conventional marble ladder, a magnetic wheel lift and a robot arm (controlled by a Picaxe microprocessor), which detects the presence of a marble in one of four bins. it then picks it up and places it at the top of the run. As well as an orbiting plughole there is also wheel which raises a flag and rings a bell as the marble passes. Pointless, I know but a great challenge to build and fun to invent!
(The marbles are of course metal ball bearings.)

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The comments are now no longer Turned off also nice machine