3D Touch Sensor:Auto-levelling for Geeetech 3D printer

[sevensad]

Another info:
LDC displays this " Z probe out. bed"

something wrong with my firmware i guess! but i don't understand what...

[sevensad]

Did not find how to edit , so i go on hereunder.

I home X by G28 x0 and Y G28 Y0
then i go to G0 X100 and G0 Y100

at this step everything is correct.

but if i try to home Z, it only goes UP. !! strange! no?

[menestrello]

Hallo,
today I've finished mounting the 3d touch sensor and, finally, everything seems ok.
Commands M280 P0 S10, M280 P0 S90, M280 P0 S120 and M280 P0 S160 are working but auto levelling doesn't work.
If I send command for homing X from repetier, it work. And also work command for homing Y,
If I try to homing Z I receive an error "sensor out of bed"

But command G28, home all exes, try to move Z axe in (0,0) position, where the sensor is out of bed.
Also, command G28 does NOT move the head in different points of the bed; simply move z axes up and down in the 0,0 position

Any help?

[daveapplemotors]

Yes , looks enabled. Just being sure.
It needs G28 X0 Y0 then G28 Z0 , then extend the probe M280 P0 S10, raise Z to clear probe G1 Z7 and then home to the center of the bed G28, G29 immediately following.
Try the commands that I put in my startup G-code :

M107 ;fan off
M280 P0 S160 ;turn ABL alarm off
M190 S75.000000 ;wait for bed temp S[]
M109 S220.000000 ;wait for nozzle temp
G21 ;metric values
G90 ;absolute positioning
G28 X0 Y0 ;home x y
G28 Z0 ;z axis to zero
G1 Z7.0 ;get the probe clear it is extended
M82 ;set extruder to absolute mode
M280 P0 S10 ;3d touch extend pin and set switch off
G28 ;basic home command--note--this must prceed immediately the G29 or it won't work
G29 P2 ;ABL routine [P] squared, 4 or 9 points
G92 E0 ;zero the extruded length
M117 your message here ;print 21 characters on LCD screen
G1 F200 E2 ;extrude 3mm from nozzle
G92 E0 ;zero the extruded length again

[menestrello]

No way.
With my firmware autoleveling is faulty.
I've downloaded last RC from github and now it works!
Thanks

[daveapplemotors]

Great!

I couldn't get the RC to work so I use Pi3A.

[sevensad]

Well,

i ended to go back and unmount the 3d Touch.
I will try again in few days.

It could be the firmware, but i did not find anything wrong.
i still search.

thanks for your help, i ll be back later after new tests.

[daveapplemotors]

I also did that. I tried for a few weeks. Said "Aw phooey"and disconnected the 3D touch for a month. Steep learning curve. I thought about it when I was just printing using stock Z stop for that month.

And later got back to it. And succeeded. I finally sat down with one of the sample C or B files for ProI3a software and compared line by line to the end.

[mannymiller]

I have just ordered one of these for a i3 pro b, and after reading 17 pages about it i can safely say i will not be installing it, or even attempting to. The idea of the sensor is to check and adjust height automatically., saving the hassle of leveling the bed eveytime. It seems to me that its harder work getting it to work / stay working than it is just leveling the bed. So when it finally arrives it will be returned twice as quick right back at them.

Now - This is aimed at geeetech., I posted a problem over a week ago, after that week all i recieved was a re-direct to another post. if you had even read that post you would have noticed that i had also posted the same question in there, which remains un -answered. Now for for the price i paid for this printer im not expecting miracles., in fact im pretty amazed the power light led worked. why did i not purchase a cheaper version on the same printer ? because yours is branded, you have put your name to it. so come on geeetech add some support to these pages. answer questions, give advice / fixes and updates. make your printer stand out / above the rest. supply accessories that work, that do not need taking apart and cleaning, or modifying to make them work just the once. While i am sitting here typing this im looking at the top of the screen that reads ( HERE YOU CAN ENJOY MORE PROFESSIONAL AND SPECIALIZED SERVICES ) Really ? i have yet to see it.

Now to the main users / helpers on this site great job.. has anyone actually got this thing to do anything other that shine a nice red led ?

[cosmith]

Yup. Mine works fine. It took a lot of fiddling with the firmware, though. It's as much a Marlin problem as anything.