3D Print Bed Leveling

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Test print

2019-03-01 11-40.jpg

Testing with a bigger knob on the A10

3D Touch Sensor

Geeetech Sensor

see facebook post The following Sensor works on a Geeetech A10: https://www.amazon.de/gp/product/B07M5JHKYP 3DTouchSensor.jpeg

BLTouch

I had the Geeetech Sensor in operation for a while but it did not work as satisfactory as hoped. I am trying the "original" BL Touch now see http://www.BLTouch.com

Firmware 1.1.9 with BLTouch

has a link to:

that i used as a Basis. Please check the BLTOUCH_DELAY which i have seen with other values in other bltouch firmwares

/**
 * The BLTouch probe uses a Hall effect sensor and emulates a servo.
 */
#define BLTOUCH
#if ENABLED(BLTOUCH)
  #define BLTOUCH_DELAY 375   // (ms) Enable and increase if needed
#endif

I compiled and uploaded things with Arduino 1.8.9 on a Mac

Installation

I had to follow both of the following videos to get the Sensor working:

The firmare is available from

see videos and Marlin on how to compile and flash the firmware onto the device.

Level Mesh visualization

The following visualization was created with the Bed Visualizer plugin of OctoPrint

BedLevelMesh2019-06-18.png

Knobs