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Hello,
I have a board labeled MKS DLC32 MAX V1.0, which appears to use an ESP32-S3 chip. As far as I understand, this board is not currently supported by FluidNC.
Previously, I was able to control my CNC machine using GRBL.exe (the axes were moving), but now the machine no longer responds.
I also want to upload firmware that includes probe functionality, but I’m currently unable to do so.
I would really appreciate help with the following questions:
Is it possible to use FluidNC with MKS DLC32 MAX V1.0 to control a CNC machine?
If there is an experimental firmware for ESP32-S3, where can I find it?
Why might GRBL no longer work, even though it used to?
Is it possible to control my CNC and use probing features with this board, or should I consider switching to a different one?
Thank you in advance for your support!
评论 (4)
#2 – breiler 于 2025-05-07
As Bart already wrote (https://github.com/bdring/FluidNC/issues/1471#issuecomment-2858368551), FluidNC does not support the S3, you will have to contact Makerbase for help.
#3 – betuss2345 于 2025-05-07
“How can I contact MKS?”
#4 – bdring 于 2025-05-07
They have github repos
![[gnea/grbl-Mega Issue#1] $ command extentions](https://www.grblhal.com/wp-content/themes/gitphp/timthumb.php?src=https://www.grblhal.com/wp-content/themes/gitphp/assets/img/pic/6.jpg&h=110&w=185&q=90&zc=1&ct=1)
![[gnea/grbl-Mega Issue#2] Better interrupt priorities](https://www.grblhal.com/wp-content/themes/gitphp/timthumb.php?src=https://www.grblhal.com/wp-content/themes/gitphp/assets/img/pic/2.jpg&h=110&w=185&q=90&zc=1&ct=1)
![[gnea/grbl-Mega Issue#4] Real-time adjustable feedrates](https://www.grblhal.com/wp-content/themes/gitphp/timthumb.php?src=https://www.grblhal.com/wp-content/themes/gitphp/assets/img/pic/9.jpg&h=110&w=185&q=90&zc=1&ct=1)
#1 – betuss2345 于 2025-05-07
I am trying to use the MKS DLC32 MAX V1.0 board, which features an ESP32-S3 chip, to control a 3-axis CNC machine and perform PCB probing. However, I’m facing multiple issues:
GRBL compatibility issue: Previously, the board worked with GRBL and GRBL.exe (via USB serial), and I was able to control X/Y/Z axes. Now, after flashing other firmware and testing, it no longer responds via GRBL.exe.
FluidNC incompatibility: FluidNC’s official release does not support the ESP32-S3 variant. I’m aware of the experimental esp32s3 branch, but it’s not recommended or maintained at this point. Attempting to flash it either fails or results in no response.
Probing function not available: I need to use a probing feature for PCB work, but I can’t find any firmware for this board/chip combination that supports probing reliably.
My main goal is to make this board control my CNC machine and support Z-probing. If this board is fundamentally incompatible with existing stable firmware, I would appreciate clarification and recommendations