SainSmart Mechanical Endstop

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Mechanical Endstops

The recommended firmwares provide a configuration to use mechanical endstops with just these two wires.

Connect GND on RAMPS to C on the switch. Connect S on RAMPS to NC on the switch.

Put the connectors on the motor wires

    • solder a female connector to the ends of each wire.
    • use the 2.54mm 1x3 housing.
    • Shown is the type used for servos in RC projects. See Stepper Motors for info on motors.

Thermistor Wires

Use a 2 pin 0.1" connector to terminate the thermistor wires.

    • Connect the cable so the 2 wires go to T0
  1. Connect the 2 heater wires to D10 (E0H on older boards) and the + connection above it.
    • If changing to an unverified firmware it is best to verify heater circuit function with a meter before connecting heater to prevent damage to the extruder.