Genmitsu 6PCS Micro Limit Switches with 1M 3 Pin Cable for 3018-PROVer/3018-MX3/3018-PROVer Mach3/ 3018-PROVer V2: Amazon.com: Industrial & Scientific
Proximity Limit Switches [Archived]
Primer on Homing and Limit Switches
Proximity Limit Switches [Archived]
CNC 3020T | Z Axis Home/Limit Switch Placement | Building A Multi Switch Assembly - YouTube
CNC Machining Micro Limit Switch Kit with Mounting Plate for 3D Printer, OX CNC, Workbee and Other CNC Router Machine: Amazon.com: Industrial & Scientific