I am looking to replace a 3 axis control board because one of the axis has stopped working. This is the board I am replacing…https://www.laserupgrades.com/product-page/32-bit-black-n-blue-2-pro-grbl-laser-controller. Looking for comparable board, what is available and reliabe?
Did you try replacing the motor driver module? You can swap them around for testing.
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I’d go for a MKS DLC or DLC32 board. They are very common and you’ll get most support in every community.