ESP32 CNC Plotter

Connections

Peripheral	Function	GPIO	GPIO	Function	Peripheral
		3.3V	GND
		EN	GPIO23	VSPI MOSI	DIR FEED
		GPIO36	GPIO22		Servo
		GPIO39	GPIO1	TX0
		GPIO34	GPIO3	RX0
		GPIO35	GPIO21		STEP FEED
		GPIO32	GND
		GPIO33	GPIO19	VSPI MISO	DIR Z
		GPIO25	GPIO18	VSPI SCK
		GPIO26	GPIO5	VSPI SS	DIR X
		GPIO27	GPIO17	TX2	FTDI - RX
	HSPI SCK	GPIO14	GPIO16	RX2	FTDI - TX
DIR Y	HSPI MISO	GPIO12	GPIO4		STEP X
		GND	GPIO0
STEP Y	HSPI MOSI	GPIO13	GPIO2		STEP Z
	Flash D2	GPIO9	GPIO15	HSPI SS
	Flash D3	GPIO10	GPIO8	Flash D1
	Flash CMD	GPIO11	GPIO7	Flash D0
		5V	GPIO6	Flash SCK

Links

• Arduino Mini CNC Plotter Machine From Dvd Drives
• Pololu A4988 Stepper Motor Driver Carrier
• Generating G-code in Inkscape
• How to Improve the 2-axis CNC GCODE Interpreter to Understand Arcs
• PyCNC
• G-Code Q'n'dirty toolpath simulator