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04-19-2015, 03:52 PM #1
connect the two black wires from the relay to your terminals on your ramps/rumba/etc that your heat bed used to be hooked up to + and - don't matter here. mount the relay board to the printer. Apply 12V + and - to the input terminals as marked on the relay board. use decent sized wire such as 10 ga speaker wire or lamp cord. connect your bed to the output terminals- lead polarity doesn't matter. on the Amp draw I would just test it out. If the power supply cuts out you're over the line.
Please explain to me how to...
05-17-2024, 12:15 PM in 3D Printer Parts, Filament & Materials