Broken Limit Switch

[Luke (Luke (Carbide 3D))]

Limit Switches - My quest for accuracy

Over the past year and a bit I have been faffing with limit switches. My shapeoko didn’t come with them (early model). I started my journey with micro switches, moved to slightly larger ones then onto hall effect magnetic sensors, I then tried some proximity switches with no luck, however I now have a full set of working proximity switches. The trick was to use a lower voltage. The beauty of proximity switches is there is no contact - it detects the metal body of the machine and is powered thr…