✨ Index Pick-and-Place board Rev.3 (#22647)

Co-authored-by: Gonçalo Pereira <goncalo_pereira@outlook.pt>
Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

buildroot/share/PlatformIO/boards/marlin_index_mobo_rev03.json

@@ -0,0 +1,51 @@
+{
+  "build": {
+    "core": "stm32",
+    "cpu": "cortex-m4",
+    "extra_flags": "-DSTM32F407xx",
+    "f_cpu": "168000000L",
+    "hwids": [
+      [
+        "0x1EAF",
+        "0x0003"
+      ],
+      [
+        "0x0483",
+        "0x3748"
+      ],
+      [
+        "0x0483",
+        "0xdf11"
+      ]
+    ],
+    "mcu": "stm32f407vet6",
+    "variant": "MARLIN_F407VE"
+  },
+  "debug": {
+    "jlink_device": "STM32F407VE",
+    "openocd_target": "stm32f4x",
+    "svd_path": "STM32F40x.svd"
+  },
+  "frameworks": [
+    "arduino",
+    "stm32cube"
+  ],
+  "name": "STM32F407VE (192k RAM. 512k Flash)",
+  "upload": {
+    "disable_flushing": false,
+    "maximum_ram_size": 131072,
+    "maximum_size": 524288,
+    "protocol": "stlink",
+    "protocols": [
+      "stlink",
+      "dfu",
+      "jlink",
+      "blackmagic"
+    ],
+    "require_upload_port": true,
+    "use_1200bps_touch": false,
+    "wait_for_upload_port": false
+  },
+  "url": "https://www.st.com/en/microcontrollers-microprocessors/stm32f407ve.html",
+  "vendor": "Generic"
+}