Limit Switches

Limit switches can either be optical or mechanical switches, and are used to prevent the motors from hitting the end of each axis, potentially causing equipment damage.

Examples

• This is a great example by Brian Dickman

• Also using the same method is AtomSoft Video Link
• There are many more examples of limit switch mounting on the motor plates in the forums

here, here and here

Where to Purchase

• Pre-assembled
  • Optical
    • Digikey# 425-1954-5-ND
• Bare Parts
  • Mechanical Switch
  • Hall Effect / Magnet
  • Optical

See Also

• RepRap Generation 7 Opto Endstop (includes parts list and sources)