Thread: Help with CNC 3018 from Banggood
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15-03-2020 #14
One thing!
I can't work out from the silk-screen labelling on that board which of the axis-inputs are ground and which are connected to the inputs to the micro controller.
If you have a multimeter (and you really need one for this - even a cheap one from Amazon) - you need to check which 6 pins in line on the axis-limits inputs are all connected together - these are the ground returns. For the remaining 6 pins, I expect each pair, for X/Y/Z to be shorted together - these are what you connect the resistors to.
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