Espduino + TMC2209 + CNC shield

******** ESP 32 ******** ESP pinout reference https://randomnerdtutorials.com/esp32... ESPDUINO pinout https://www.botnroll.com/en/esp32/363... ESP32 pull up/downs https://docs.espressif.com/projects/e... ******** Arduino ******** Arduino UNO pinout https://docs.arduino.cc/retired/board... ******** CNC shield ******** CNC shield pinout https://forum.arduino.cc/t/using-cnc-... CNC shield schematics https://osoyoo.com/2017/04/07/arduino... ******** TMC2209 ******** TMC driver reference voltage calculator https://learn.watterott.com/silentste... TMC2209 Datasheet https://www.analog.com/media/en/techn... TMC2209 silent stepstick pinout and jumpers https://learn.watterott.com/silentste... ******** DRV8825 ******** DRV8825 Datasheet https://www.ti.com/lit/ds/symlink/drv... ******** fluidnc ******** fluidnc github https://github.com/bdring/FluidNC fluidnc wiki http://wiki.fluidnc.com/ my fluidnc config file https://gitlab.com/pan-tilt-slider/pa... ******** grblesp ******** grbl_esp32 github https://github.com/bdring/Grbl_Esp32 ******** Serial drivers ******** Serial driver tutorial https://learn.sparkfun.com/tutorials/...