diff --git a/config.json b/config.json
new file mode 100644
index 0000000..a5f93f7
--- /dev/null
+++ b/config.json
@@ -0,0 +1,37 @@
+{
+    "microbit-dal":{
+        "bluetooth":{
+            "enabled": 1,
+            "pairing_mode": 1,
+            "private_addressing": 0,
+            "open": 0,
+            "whitelist": 1,
+            "advertising_timeout": 0,
+            "tx_power": 0,
+            "dfu_service": 1,
+            "event_service": 1,
+            "device_info_service": 1
+        },
+        "reuse_sd": 1,
+        "gatt_table_size": "0x300",
+        "heap_allocator": 1,
+        "nested_heap_proportion": 0.75,
+        "system_tick_period": 6,
+        "system_components": 10,
+        "idle_components": 6,
+        "use_accel_lsb": 0,
+        "min_display_brightness": 1,
+        "max_display_brightness": 255,
+        "display_scroll_speed": 120,
+        "display_scroll_stride": -1,
+        "display_print_speed": 400,
+        "panic_on_heap_full": 1,
+        "debug": 0,
+        "heap_debug": 0,
+        "stack_size":2048,
+        "sram_base":"0x20000008",
+        "sram_end":"0x20004000",
+        "sd_limit":"0x20002000",
+        "gatt_table_start":"0x20001900"
+    }
+}