✨ I3DBEEZ9 board (#25614)

Author: I3DBeeTech

.github/workflows/test-builds.yml

@@ -39,11 +39,11 @@ jobs:
 
         # AVR
         - mega2560
+        - mega1280
         - at90usb1286_dfu
 
         # AVR Extended
         - FYSETC_F6
-        - mega1280
         - melzi_optiboot
         - rambo
         - sanguino1284p
@@ -109,6 +109,7 @@ jobs:
         - rumba32
         - STM32F401RC_creality
         - STM32F407VE_black
+        - I3DBEEZ9_V1
 
         # STM32F7
         - NUCLEO_F767ZI

Marlin/src/core/boards.h

@@ -452,6 +452,7 @@
 #define BOARD_TRONXY_V10              5245  // TRONXY V10 (STM32F446ZE)
 #define BOARD_CREALITY_F401RE         5246  // Creality CR4NS200141C13 (STM32F401RE) as found in the Ender-5 S1
 #define BOARD_BLACKPILL_CUSTOM        5247  // Custom board based on STM32F401CDU6.
+#define BOARD_I3DBEEZ9_V1             5248  // I3DBEEZ9 V1 (STM32F407ZG)
 
 //
 // ARM Cortex-M7

Marlin/src/pins/pins.h

@@ -794,6 +794,8 @@
   #include "stm32f4/pins_CREALITY_F401.h"       // STM32F4                                env:STM32F401RE_creality
 #elif MB(BLACKPILL_CUSTOM)
   #include "stm32f4/pins_BLACKPILL_CUSTOM.h"    // STM32F4                                env:STM32F401CD_blackpill_stlink
+#elif MB(I3DBEEZ9_V1)
+  #include "stm32f4/pins_I3DBEEZ9.h"            // STM32F4                                env:I3DBEEZ9_V1 
 
 //
 // ARM Cortex M7