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Printing issues ...
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Sorry for such late response. School / Exams / life got in the way.. The board I have (MKS base 1.2) is as pictured here:
I ended up using one of the ENDSTOPS because I ran out of servo ports. The pros/cons is that it can only drive a smaller servo (fine for bed leveling), BUT because we're still dealing with an Arduino-based board in the end, it uses a timer, interrupts and software to genera
by
legozebra
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Controllers
Everything works now on my Aurora Prusa i3 (MKS_BASE_Ver1.1). The fix was with Cura and changing my start.gcode to include:
G28 X0 Y0 ; Forces X and Y axis zeroing
G29 ; Does the Z-Axis Auto-bed leveling routine
Also remember to check other start.gcode and end.gcode commands as some of the defaults can mess you up either before after your object has printed.
Thanks Laazru
by
legozebra
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Controllers
Have you tried setting your Z_PROBE_OFFSET_FROM_EXTRUDER ? Mine for example is -7, which after bed leveling, tells my Z to move Z down 7 after bed leveling...
by
legozebra
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Mendel90
Special Thanks to Laazarus for steps to change X_MAX_PIN for SERVO0_PIN (by modifying pins.h)
Basically changing:
#define X_MAX_PIN 2
to
#define X_MAX_PIN -1
and changing
#define SERVO0_PIN 11
to
#define SERVO0_PIN 2
Still working on getting Auto Bed Leveling working.. So far it works properly for AUTO HOME but only does the one point in center of bed. (not grid or 3 p
by
legozebra
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Controllers
Dear Laazarus,
I've been following your earlier thread on how to get the MKS_BASE working to drive a Servo for an AutoBed Leveler. What was the final trick /answer? Was it X-Max acting as a PWM? If so, any tips/code you can share is GREATLY appreciated! I have a MKS_BASE_V1.1, but similar enough (unused X-MAX, unused A11, A12). Looking at the Marlin F/W code, I thought you could use the "Z_PR
by
legozebra
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Printing
Dear Laazarus,
I am having a similar problem trying to drive a servo for an auto-bed leveler. Did X-Max ever work for you? I assume you had to drive +5VDC from an alternate source? I too have a single 12VDC power supply on my printer but can look into dropping the 12VDC down to 5VDC to drive the Auto-bed leveler servo. Can X-Max act as a PWM output?
Trying to get it working with Marlin FW...
by
legozebra
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Controllers