diff --git a/boards/jpconstantineau/gridmx47/README.md b/boards/jpconstantineau/gridmx47/README.md
index 0fe8a30..b85167c 100644
--- a/boards/jpconstantineau/gridmx47/README.md
+++ b/boards/jpconstantineau/gridmx47/README.md
@@ -2,7 +2,6 @@
 
 ![GridMX47](https://cdn.tindiemedia.com/images/resize/NGAMssTBh5dFIstnXwnvB0-4Fik=/p/fit-in/653x435/filters:fill(fff)/i/556481/products/2021-10-24T22%3A39%3A25.468Z-PXL_20211024_222435647.jpg?1635089973)
 
-
 47 Keys RGB Keyboard inspired from OLKB's Planck with a Raspberry Pi Pico
 
 kb.py is designed to work with the [Pico CircuitPython UF2](https://circuitpython.org/board/raspberry_pi_pico/)
diff --git a/boards/jpconstantineau/gridmx47/kb.py b/boards/jpconstantineau/gridmx47/kb.py
new file mode 100644
index 0000000..6e8974d
--- /dev/null
+++ b/boards/jpconstantineau/gridmx47/kb.py
@@ -0,0 +1,25 @@
+import board
+
+from kmk.kmk_keyboard import KMKKeyboard as _KMKKeyboard
+from kmk.matrix import DiodeOrientation
+
+
+class KMKKeyboard(_KMKKeyboard):
+    col_pins = (
+        board.GP11,
+        board.GP12,
+        board.GP13,
+        board.GP14,
+        board.GP15,
+        board.GP19,
+        board.GP20,
+        board.GP21,
+        board.GP22,
+        board.GP26,
+        board.GP27,
+        board.GP28,
+    )
+    row_pins = (board.GP7, board.GP8, board.GP9, board.GP10)
+    diode_orientation = DiodeOrientation.COL2ROW
+    rgb_pixel_pin = board.GP6
+    rgb_num_pixels = 47