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How do I plug these 3 wires endstops to only 2 pins CNC Shield ? I guess red is +, black is - and green is signal ? : r/hobbycnc
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Amazon.com: WWZMDiB CNC Shield V3 Engraving Machine Expansion Board A4988 Driver Expansion Board for Arduino 3D Printer CNC A4988 : Industrial & Scientific
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