Which is the "min" opto endstop, and which is the "max" opto endstop? In other words, which opto endstop cable plugs into the "min" and "max" headers in the stepper-motor boards. Does that make sense? When facing the McWire, you have the 3-axis coordinate: X-axis: left, right Y-axis: bottom, top Z-axis: bottom, top Thanks for any help. Arthur https://reprap.org/forum/read.php?4,18940,18940#msg-18940 Sun, 15 Mar 2026 12:54:05 -0400 Phorum 5.2.23 https://reprap.org/forum/read.php?4,18940,19093#msg-19093 https://reprap.org/forum/read.php?4,18940,19093#msg-19093
Demented]]> Demented Chihuahua Reprappers Thu, 04 Dec 2008 14:27:37 -0500 https://reprap.org/forum/read.php?4,18940,19091#msg-19091 https://reprap.org/forum/read.php?4,18940,19091#msg-19091
Luckily, I was lazy and had only wired up the 3 min boards. This meant that after a few days of testing, wondering why the 'home' function wasn't working, they permanently reported closed (I think they're blown).

Because I had only used 3 (min stops), I had three spare. After replacing them, everything worked *much* better and the home function worked properly.

:-)]]> DaveR Reprappers Thu, 04 Dec 2008 14:13:04 -0500 https://reprap.org/forum/read.php?4,18940,18943#msg-18943 https://reprap.org/forum/read.php?4,18940,18943#msg-18943 Arthur Reprappers Mon, 01 Dec 2008 01:56:09 -0500 https://reprap.org/forum/read.php?4,18940,18941#msg-18941 https://reprap.org/forum/read.php?4,18940,18941#msg-18941
Demented]]> Demented Chihuahua Reprappers Mon, 01 Dec 2008 00:13:11 -0500 https://reprap.org/forum/read.php?4,18940,18940#msg-18940 https://reprap.org/forum/read.php?4,18940,18940#msg-18940
Does that make sense?

When facing the McWire, you have the 3-axis coordinate:
X-axis: left, right
Y-axis: bottom, top
Z-axis: bottom, top

Thanks for any help.

Arthur]]> Arthur Reprappers Sun, 30 Nov 2008 23:41:18 -0500