Install GRBL on STM32F103 (3 AXIS CNC)

The easy way 

1. Download dan extract Yaroslav Vlasov  6-AXIS-USBCNC-GRBL

3. Find the hex file on Release folder 

2. Run STMCubeProgramer

3. Flash the STM32

Remember, the default parameter is 4 AXIS.

Note : 

1.the default 4-AXIS parameter is only work with USG Platform (Universal Gcode Sender) 

2. For flashing the hex file you can google it, there are many tutorial about it.