I am puzzled. I have had no issues with the x, y, z switches wired for homing my router. I am trying to add an auto probe tool, and I do have a free input pin on my breakout board. However, I am puzzled to see that for a long time, my home switch for the y axis, when pressed, lights two diagnostic input lights, while the other input switches light only one diagnostic led light( as they should). Now that I am trying to wire the probe tool, I have the same problem. I've checked the wiring and there's nothing shorting or abnormal. I've checked the config port/pins table for conflicting pin input settings, and it all looks fine. Yet the "probe" switch still turns on the "y" or M2 home lights. ( is there something in Mach3 other than the config table that is doing this?)
When I "short" the contact right at the CNC4pc breakout board, I still get the two LED lights coming on. Naturally, one might assume that the breakout board is bad? I am assuming "noise" as the cause, despite my having small capacitors across these input terminals. I am not ready to conclude that the breaout board is defective.
I am hoping that someone has a clue as to the potential cause. I want to get this auto probe tool working....., but I am reluctant to try it until I have only one diagnostic led lighting up....
tc