How to update the firmware using Arduino IDE

1、dowmload the firmware source code

• code link https://github.com/uArm-Developer/SwiftProForArduino/tree/Version_V4.0

• unzip the zip pack

2、import the library

• Sketch->include Library->Add .ZIP Library

• choose the file \SwiftProForArduino-Version_V4.0\src

• open project File->Examples->src->grblUpload

3、configurate the board

4、compile the source code & update the firmware