diff --git a/iris-kmk/kb.py b/iris-kmk/kb.py
index e69de29..712512f 100644
--- a/iris-kmk/kb.py
+++ b/iris-kmk/kb.py
@@ -0,0 +1,28 @@
+import board
+
+from kmk.extensions.LED import LED
+from kmk.kmk_keyboard import KMKKeyboard as _KMKKeyboard
+from kmk.scanners import DiodeOrientation
+
+
+class KMKKeyboard(_KMKKeyboard):
+    col_pins = (
+        board.GP2,
+        board.GP3,
+        board.GP29,
+        board.GP27,
+        board.GP6,
+        board.GP5,
+    )
+    row_pins = (
+        board.GP0,
+        board.GP1,
+        board.GP7,
+        board.GP16,
+        board.GP28,
+    )
+
+    diode_orientation = DiodeOrientation.COLUMNS
+
+    leds = LED(led_pin=[board.GP27, board.GP28])
+    _KMKKeyboard.extensions.append(leds)