My intention is to use this as part of a larger project which will have a CNC controller board of my own design including the STM32 MCU, the stepper drivers, opto-coupled inputs for the limit switches, PWM spindle speed control and a buck converter providing 3.3V from the 24V stepper motor power supply. This repository is mostly an adaptation of the grbl32 repository from trobomechs/6-AXIS-USBCNC-GRBL. I wanted to be able to edit the code with a text editor like Atom or MS Visual Studio Code and to build and flash the firmware from the command line. That MCU is used on the very cheap "Blue Pill" board.Ī few other 32-bit GRBL repositories can be found on Github but most of these use dedicated IDE's like Eclipse or STM32CubeIDE and are not easy to use on a non-Windows computer. This is GRBL 1.1f, a firmware used to control a CNC milling machine or laser engraver/cutter, for the STM32F103 micro-controller. hex firmware files are available in the Release directory Config included for MS Visual Studio Code The code can be edited with your favorite text editor and built from the command line on a Mac or Linux computer.Can be used with the "Blue Pill" STM32F103C8 board or any equivalent circuit. Robomechs/6-AXIS-USBCNC-GRBL, based on usbcnc/grbl for the STM32 code.
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