Need firmware for Chinese BoB on Mesa 7i92

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06 Jul 2016 00:34 #77065 by PCW
You can sample the probe input in the base thread but motion only looks at it (and latches the position) at the servo thread rate
The following user(s) said Thank You: Shu

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27 Dec 2025 18:24 - 27 Dec 2025 18:30 #340593 by Pipik
Replied by Pipik on topic Need firmware for Chinese BoB on Mesa 7i92

I'll try to get to this sometime this week
 


So, did you create firmware for this setup? I am using this BoB´s in several machines, I would like to switch to driving them by 7i92, but cant find proper pinout in 7i92 firmwares file downloaded from your pages. Or whats the name of file with this pin setup?

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ParPortPin Function
1 Enable
2 xstep
3 ydir
4 (-I dont need-) SpindlePWMout (creating a 0-5V signal for the VFD with a buffer and low pass filter from this pin)
5 adir
6 astep
7 zstep
8 zdir
9 (-I dont need-)
10 max-home-z
11 min-home-x-and-y
12 (-I dont need-) SpindleSensorIn (RPM sensor, 4 pulse per revolution)
13 probe-in
14 xdir
16 ystep
17 CoolantEnable
Last edit: 27 Dec 2025 18:30 by Pipik.

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27 Dec 2025 19:29 #340594 by PCW
Configurations for both the 7I92 and 7I92T plus pinout source:

 

File Attachment:

File Name: 7i92_shu.zip
File Size:245 KB


 
Attachments:

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27 Dec 2025 20:42 #340597 by Pipik
Replied by Pipik on topic Need firmware for Chinese BoB on Mesa 7i92
Looks it will fit. Thank you so much!

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