Raspberry pi Octoprint Relè box
thingiverse
My goal was to cut off ac power after printing ends... I think this is not the best or easiest way (the easiest way is to replace the power supply with an ATX one, i suppose...)... But i bought this hardware some time ago for personal arduino experiments, and my rpi 1 b+ was unused from months.... so... that's my project... When raspberry Pi (with octoprint installed) start, automatically run a script and it short the contact's relè, so the printer ac power was enabled. when the printing job ends, a octoprint plugin named "AutomaticShutdown" do a power off and the relè go off.... thats it... You can find releon.py script in the download list... sry for my bad english ;-)
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