Geeetech

since geeetech still doesnt get the solution for the problem in code G28 for homming with this drivers in 1/32steps.
i 'ld like everyone to email, and force geeetech to open the gtm32 source code for us to improve it!

the problem is only related with
2) increase STEP pulse width for 3us for all ...

hello
still no anwser for the homming problem.

is there any develope or is that new update firmware DEAD?

Thanks

any news on gtm32 for this drivers?

i know that it can work in 1/16 micro setping (had to brutforce, the jumpers), but is not the intent, as it support 1/32

came on support, tell us anything about.

thanks

hey admin
i have all the three jumpers under each driver!

anycase i can not discovery which one is the multiply, could you show on this pic which is the MS1 Ms2 MS3?
Turn ON/OFF Subdivision
MS1 MS2 MS3
OFF OFF OFF full step
ON OFF OFF 1/2 step
OFF ON OFF 1/4 step
ON ON OFF 1/ 8 step
OFF OFF ON 1/16 ...

Then seems like a hardware problem. Are all your driver boards working properly? I mean the driver voltages, are they all correct?
You can check out this link for more details:
http://www.geeetech.com/forum/viewtopic.php?f=17&t=17038
Also are your driver boards 4988 or 8825? Can not use 8825 on the ...

hello all
i get my new gtm32 board, i tried to place my drv8825 at 1/32 steps.

i can move my axis from my ldc or from repetier.

when performe homing comand it blocks until i rset it.

in http://www.geeetech.com/forum/viewtopic.php?f=18&t=17733&p=30604&hilit=gtm32#p30604
Mark says "Can not use 8825 ...

hello
i guess i mess up my bootload also!
during adjust of step/mm in repetier =(

@olliesmith you say you use arduino to burn the bootload again, but bootload of arduino mega 2560 doesnt have fuse settings for external oscilator (cause there isnt any for the main chip on the arduino board)!!

i ...

hello everyone

i get and Geeetech pro i3x with mk8 and acrylic frame controled by gt2560!
after assembler, i did some upgrades : DRV8825 drivers at 1/32 step and a new nozzle 0.4mm
at the moment working with bq translucid filament 1,75mm

repetier - host v1.6.0
firmware setup:

[img] http://prntscr ...

hello everyone, this post is to recomend new add ons for a next rev of the control board

- ICSP header for upgrade bootload and to programmer
- GPIO headerfor use the free GPIO of the controller (autobed level)
- POWER header for have 5v 12v 3v3 and gnd power avaiable (servo power)
- tx0 and rx0 ...