Add new board Calliope Mini v3

boards/calliopemini_v3.json

@@ -0,0 +1,45 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "nrf52833_xxaa.ld"
+    },
+    "core": "nRF5",
+    "cpu": "cortex-m4",
+    "extra_flags": "-DNRF52833_XXAA -DARDUINO_CALLIOPE_MINI_V3",
+    "f_cpu": "64000000",
+    "hwids": [
+      [
+        "0x0D28",
+        "0x0204"
+      ]
+    ],
+    "mcu": "nrf52833",
+    "usb_product": "CalliopeMiniV3",
+    "variant": "CalliopeminiV3"
+  },
+  "debug": {
+    "svd_path": "nrf52.svd",
+    "openocd_extra_args": [
+      "-c",
+      "transport select swd;"
+    ],
+    "jlink_device": "nRF52833_xxAA"
+  },
+  "frameworks": [
+    "arduino"
+  ],
+  "name": "Calliope Mini v3",
+  "upload": {
+    "maximum_ram_size": 131072,
+    "maximum_size": 524288,
+    "protocol": "cmsis-dap",
+    "protocols": [
+      "blackmagic",
+      "cmsis-dap",
+      "jlink",
+      "stlink"
+    ]
+  },
+  "url": "https://calliope.cc",
+  "vendor": "Calliope"
+}

examples/arduino-blink/platformio.ini

@@ -12,10 +12,10 @@ platform = nordicnrf52
 framework = arduino
 board = bbcmicrobit_v2
 
-[env:dwm1001_dev]
+[env:calliopemini_v3]
 platform = nordicnrf52
 framework = arduino
-board = dwm1001_dev
+board = calliopemini_v3
 
 [env:nrf52_dk]
 platform = nordicnrf52