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I could never get my STLink working to flash the STM32 but luckily had an FTDI and used the instructions at this page to successfully flash using ST Flash Demonstrator app https://circuitdigest.com/microcontroller-projects/programming-stm32f103c8-board-using-usb-port putting this up in case someone ...

This page will tell you how to hook up the STM32 blue pill to an FTDI over a serial connection. Confirmed that you can communicate with GRBL this way without having an ESP32 connected, did this during testing to troubleshoot some issues. https://circuitdigest.com/microcontroller-projects/programming...

In my testing the DM542 and DM556 stepper drivers are MUCH quieter than the TB6600's. I got all DM556's for my new CNC build. You shouldn't have to edit the firmware but the DM series DM542 and DM556 have a different order pinout as well as different dip switch options so they're not technically a d...

I'm also having problems with nunchuk, it still works after gcode but works very erratically. When I press the joystick in any direction while holding down a button it will start to move, stop, start to move again, stop. I'm better off jogging from the touch screen since it works correctly when I pr...

I think I found the issue, I was using ST demonstrator to flash the STM32 using an FTDI and had been selecting 64k memory when I flash (since the stm32 is advertised as 64k ram) when I flashed for 128k now changing settings sticks after a reboot and it no longer has the eeprom error! Doh!

After flashing the firmware found on mstrens GitHub for grbl 6 axis and connecting to my PC in openbuilds control I get error 7 which is read EEPROM fail. The settings I set in defaults.h are in there but when I try to change settings using $30=24000 for example it wont save on next boot up of the c...

It is, but one thing to note is that the 542 drivers have the enable pin logic reversed. So when a signal is applied to EN it turns off the steppers. When there's no signal to the EN pin the steppers are turned on. francais: C'est le cas, mais une chose à noter est que les pilotes 542 ont la logique...

did you try setting M3 with a RPM above 0?

Greetings, I recently built an rs-cnc32 for a friend and ordered another GRBL32 kit from Makerfr to build another but decided I would rather get back to CNC'ing than spend more time 3d printing so I got a Workbee CNC instead with a 1.5kw VFD Spindle. After searching on the forums I found that there ...