MakerFarm Prusa i3 Servo Z Endstop
by CapnBry, published
The servo mount accepts an SG90 or MG90S 9g microservo. Insert the servo through the hole, add the printed arm (with the inset facing away from the servo), and insert the servo arm into the inset. Secure with the servo's screws and you're ready to go.
**Designed to be printed with 2x 0.66mm walls**, tested with 0.30mm layer height.
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There is a row of 3 pin connections on the RAMPS 1.4 labeled "servos". They need their own 5V power source applied at the 5V pin on the other side of the reset button. This is because even a small servo can pull an amp of power which the regulator on the Mega would not be able to supply (and it is not even connected because of this).
In Marlin you need to enable SERVO_ENDSTOP for your Z axis, as well as adjust any setting in the autolevel section of the config. My autolevel offsets are X=20, Y=0, Z=-3.90
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