Run Laser CNC,Grbl_ESP32

Install Grbl firmware

1. Install Platformio and Vscode

2. Download Grbl_Esp32-main this code is based on the Grbl_Esp32.

3. Opening folder "Grbl_Esp32-main" with VScode Platformio

4. Select a board.

   Open the Grbl_Esp32\src\Machine.h, you can find the default board is PandaM4

   #include "Machines/4axis_PandaM4.h"

   if you use PandaZHU, please change it to

   #include "Machines/4axis_PandaZHU.h"

   farther more if you want to change the laser control type or control pin,you need to change it yourself in the 4axis_PandaM4.h or 4axis_PandaZHU.h the default are

   #define SPINDLE_OUTPUT_PIN 22

   #define SPINDLE_TYPE SpindleType::PWM

5. Build project by click the Bee icon--> release--> Build.

6. Flash firmware with microUSB: Connect PandaZHU or PandaM4 board to your computer with a microusb line,install CH340G USB driver , make sure there is a SD card in the slot(use the sd card detection pin(GPIO2) as firmware Download boot mode) and no serial/uart touch screen connected.Then Click to upload.

Wiring

Laser cut with PC

1. Download and install LaserGBL from https://lasergrbl.com/

2. Connect to board with one usb line

3. Open and choose one picture which you want to cut

4. Click Run button