Auto Bed Level (ABL) Sensor Mount

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NoNaym
Posts: 69
Joined: Sun Jun 22, 2014 8:02 pm

Auto Bed Level (ABL) Sensor Mount

Postby NoNaym » Thu Aug 25, 2016 5:40 pm

After finally upgrading to the G2 extruder (from the old B3 Pico), I was forced to design a new mount for my ABL sensor (capacitive sensor LJC18A3-H-Z/BX) so I could keep using it. This new ABL sensor mount should be pretty universal for Series 1 (2014+) owners. This sensor is capable of detecting the glass/PEI print bed currently installed in my printer. I wired this sensor through the Series 1's PCB's and ribbon cable to keep things as clean as possible.

Image

Thingiverse link: http://www.thingiverse.com/thing:1736589

Sensor I used here on Amazon: http://www.amazon.com/uxcell-1-10mm-Cap ... B00542U3M4

Modified "Series 1 / Series 1 Pro (2015 with Heated Bed - v1.3.0)" Firmware with ABL pre-configured: https://goo.gl/AHRuvD
Last edited by NoNaym on Fri Nov 25, 2016 6:04 pm, edited 4 times in total.

mrSEADEMON
Posts: 140
Joined: Fri Apr 18, 2014 9:35 am
Location: BY Minsk

Re: Auto Bed Level (ABL) Sensor Mount

Postby mrSEADEMON » Fri Aug 26, 2016 12:33 pm

good looking :)

ophilli
Posts: 3
Joined: Wed Mar 30, 2016 10:52 pm

Re: Auto Bed Level (ABL) Sensor Mount

Postby ophilli » Fri Sep 23, 2016 10:52 am

Did you have to make any changes to Marlin to support this?

NoNaym
Posts: 69
Joined: Sun Jun 22, 2014 8:02 pm

Re: Auto Bed Level (ABL) Sensor Mount

Postby NoNaym » Mon Oct 03, 2016 12:06 pm

ophilli wrote:Did you have to make any changes to Marlin to support this?


Absolutely! I learned most of what I needed to know for this mod from one of Thomas Sanladerer's Youtube videos: https://youtu.be/EcGFLwj0pnA?t=4m35s

That link should bring you to the exact moment in the video where he shows you what to change in Marlin to add an ABL sensor. Please keep in mind that in Tom's video he uses an inductive sensor, while my mod for our Series 1 printers uses a capacitive sensor. This does not make a difference with what to change in Marlin, but a capacitive sensor is necessary to detect glass or similar surfaces. I believe inductive sensors only detect metallic surfaces.

I could potentially post my modified firmware for download, but I have a few different aftermarket mods on my Series 1 and its firmware that I'm not 100% sure would agree with everybody else's machines... better safe than sorry for now.

ophilli
Posts: 3
Joined: Wed Mar 30, 2016 10:52 pm

Re: Auto Bed Level (ABL) Sensor Mount

Postby ophilli » Fri Nov 04, 2016 7:32 pm

Looks great NoNaym! I've ordered some capacitive sensors to test this out myself.

Were you able to wire this with the extra headers on the Toolhead PCB - or did you run the wire alongside the ribbon cable?
If you did use the extra headers - where did you find connectors to interface with them?

NoNaym
Posts: 69
Joined: Sun Jun 22, 2014 8:02 pm

Re: Auto Bed Level (ABL) Sensor Mount

Postby NoNaym » Thu Nov 24, 2016 3:29 pm

ophilli wrote:Looks great NoNaym! I've ordered some capacitive sensors to test this out myself.

Were you able to wire this with the extra headers on the Toolhead PCB - or did you run the wire alongside the ribbon cable?
If you did use the extra headers - where did you find connectors to interface with them?


Thanks ophilli! Just as I said in the OP:

NoNaym wrote:I wired this sensor through the Series 1's PCB's and ribbon cable to keep things as clean as possible.


I ordered the necessary connectors and sockets from Newark. Something like this should work: http://www.newark.com/molex/43645-0400/ ... dp/57H0286

They also list the sockets that should fit under the "Associated Products" section on that same page. Hope this helps!

NoNaym
Posts: 69
Joined: Sun Jun 22, 2014 8:02 pm

Re: Auto Bed Level (ABL) Sensor Mount

Postby NoNaym » Thu Nov 24, 2016 3:31 pm

I forgot that you will probably also need another connector for the wiring from the etray pcb to the RAMBO. I forget exactly where I got that connector, but I think they are easier to find. Newark should have them, as well as places like Jameco, Mouser, Digikey, etc....

NoNaym
Posts: 69
Joined: Sun Jun 22, 2014 8:02 pm

Re: Auto Bed Level (ABL) Sensor Mount

Postby NoNaym » Fri Nov 25, 2016 6:07 pm

Added a link to the bottom of the OP (first post of this thread) to download my modified firmware. This a modified version of TAM's latest Marlin firmware with all the ABL settings pre-configured. While this should be pretty much plug-and-play, please use caution while testing this firmware on your machine. It is especially important to calibrate your Z-offset before attempting any prints.


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