bdring
bdring
It should be 3.3v. The TMC2130 can run at either voltage, but SPI returns data to the ESP32 so it must be 3.3v or it can break the ESP32. It...
Here is how to check your startup messages. http://wiki.fluidnc.com/en/support/troubleshooting_config_files#check-the-startup-messages
Try sending $MD and $ME commands. Check the lock state after each command.
The each coil mounts to adjacent terminals. 
$ME does not lock the motors?
I am running out of ideas. Try changing ` idle_ms: 250` in your config to 255
We support the dual Y with auto squaring. See the wikiand here is an example. https://github.com/bdring/fluidnc-config-files/blob/main/contributed/6x_CNC_Controller/6x_xyyz_pwm.yaml We support CW and CCW
Show a photo of the controller. How do you set the address on the drivers?
How do you set the address??
Are you sure you are using the correct config file. It says config.yaml, but you mentioned a different one. Be careful with those stepstick drivers. The controller was not designed...