diff --git a/.gitignore b/.gitignore
index fd21187..cb63671 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,3 +31,4 @@ fp-info-cache
 # Exported BOM files
 *.xml
 *.csv
+backplate-gerbers/
diff --git a/README.md b/README.md
index 20122da..c074e3e 100755
--- a/README.md
+++ b/README.md
@@ -33,6 +33,8 @@ It should now behave as a keyboard.
 
 This macropad uses KMK for it's firmware. KMK is a flexible circuitpython based project for mechanical keyboards that offers a lot of options. The basic firmware for the RSMP is simple, in that every button outputs a letter. To customize the behavior, you can modify `main.py`.
 
+As an example of layers, the bottom left button will output a space when tapped, and when held, the buttons will output numbers and various symbols instead of letters.
+
 ## Credits
 
   - [KMK](https://github.com/KMKfw/kmk_firmware) - Keyboard software
diff --git a/firmware/kmk/extensions/international.py b/firmware/kmk/extensions/international.py
index eab8087..ddca8fd 100755
--- a/firmware/kmk/extensions/international.py
+++ b/firmware/kmk/extensions/international.py
@@ -1,4 +1,5 @@
 '''Adds international keys'''
+
 from kmk.extensions import Extension
 from kmk.keys import make_key
 
diff --git a/firmware/kmk/keys.py b/firmware/kmk/keys.py
index 364eccf..76f5565 100755
--- a/firmware/kmk/keys.py
+++ b/firmware/kmk/keys.py
@@ -806,7 +806,7 @@ def _argumented_key(*user_args, **user_kwargs) -> Key:
 
         if meta:
             key = Key(
-                NEXT_AVAILABLE_KEY, meta=meta, *constructor_args, **constructor_kwargs
+                NEXT_AVAILABLE_KEY, *constructor_args, meta=meta, **constructor_kwargs
             )
 
             NEXT_AVAILABLE_KEY += 1
diff --git a/firmware/kmk/kmk_keyboard.py b/firmware/kmk/kmk_keyboard.py
index 54f72af..f8daca7 100755
--- a/firmware/kmk/kmk_keyboard.py
+++ b/firmware/kmk/kmk_keyboard.py
@@ -67,7 +67,6 @@ class KMKKeyboard:
     _trigger_powersave_enable = False
     _trigger_powersave_disable = False
     _go_args = None
-    _processing_timeouts = False
     _resume_buffer = []
     _resume_buffer_x = []
 
@@ -76,8 +75,6 @@ class KMKKeyboard:
     # overhead (the underlying list was never used anyway)
     active_layers = [0]
 
-    _timeouts = {}
-
     def __repr__(self) -> str:
         return self.__class__.__name__
 
diff --git a/firmware/kmk/modules/combos.py b/firmware/kmk/modules/combos.py
index 8284e30..2adf348 100755
--- a/firmware/kmk/modules/combos.py
+++ b/firmware/kmk/modules/combos.py
@@ -303,7 +303,7 @@ def on_timeout(self, keyboard, combo):
             self.reset_combo(keyboard, combo)
 
     def send_key_buffer(self, keyboard):
-        for (int_coord, key, is_pressed) in self._key_buffer:
+        for int_coord, key, is_pressed in self._key_buffer:
             keyboard.resume_process_key(self, key, is_pressed, int_coord)
 
     def activate(self, keyboard, combo):
diff --git a/firmware/kmk/modules/holdtap.py b/firmware/kmk/modules/holdtap.py
index 29a3e12..22f20c3 100755
--- a/firmware/kmk/modules/holdtap.py
+++ b/firmware/kmk/modules/holdtap.py
@@ -222,7 +222,7 @@ def send_key_buffer(self, keyboard):
             return
 
         reprocess = False
-        for (int_coord, key, is_pressed) in self.key_buffer:
+        for int_coord, key, is_pressed in self.key_buffer:
             keyboard.resume_process_key(self, key, is_pressed, int_coord, reprocess)
             if isinstance(key.meta, HoldTapKeyMeta):
                 reprocess = True
diff --git a/firmware/kmk/modules/layers.py b/firmware/kmk/modules/layers.py
index 098a02f..8db1322 100755
--- a/firmware/kmk/modules/layers.py
+++ b/firmware/kmk/modules/layers.py
@@ -1,4 +1,5 @@
 '''One layer isn't enough. Adds keys to get to more of them'''
+
 from kmk.keys import KC, make_argumented_key
 from kmk.modules.holdtap import HoldTap, HoldTapKeyMeta
 from kmk.utils import Debug
diff --git a/firmware/kmk/modules/pimoroni_trackball.py b/firmware/kmk/modules/pimoroni_trackball.py
index 78a5d2a..4f20b51 100755
--- a/firmware/kmk/modules/pimoroni_trackball.py
+++ b/firmware/kmk/modules/pimoroni_trackball.py
@@ -1,6 +1,7 @@
 '''
 Extension handles usage of Trackball Breakout by Pimoroni
 '''
+
 from micropython import const
 
 import math
@@ -310,7 +311,6 @@ def __init__(self, trackball, **kwargs):
         super().__init__(1, **kwargs)
 
     def deinit(self):
-        super().deinit()
         self.trackball.set_rgbw(0, 0, 0, 0)
 
     def _transmit(self, b):
diff --git a/firmware/kmk/modules/split.py b/firmware/kmk/modules/split.py
index 2d5b4a0..164a9a2 100755
--- a/firmware/kmk/modules/split.py
+++ b/firmware/kmk/modules/split.py
@@ -1,4 +1,5 @@
 '''Enables splitting keyboards wirelessly or wired'''
+
 import busio
 from micropython import const
 from supervisor import runtime, ticks_ms
diff --git a/firmware/kmk/quickpin/pro_micro/liatris.py b/firmware/kmk/quickpin/pro_micro/liatris.py
new file mode 100755
index 0000000..b65af7e
--- /dev/null
+++ b/firmware/kmk/quickpin/pro_micro/liatris.py
@@ -0,0 +1,43 @@
+import board
+
+pinout = [
+    # Left, top->bottom
+    board.TX,
+    board.RX,
+    None,  # GND
+    None,  # GND
+    board.SDA,
+    board.SCL,
+    board.D4,
+    board.D5,  # C6
+    board.D6,  # D7
+    board.D7,  # E6
+    board.D8,  # B4
+    board.D9,  # B5
+    # Right, bottom->top
+    board.D21,  # B6
+    board.D23,  # B2
+    board.D20,  # B3
+    board.D22,  # B1
+    board.D26,  # F7
+    board.D27,  # F6
+    board.D28,  # F5
+    board.D29,  # F4
+    None,  # 3.3v
+    None,  # RST
+    None,  # GND
+    None,  # RAW
+    # Bottom, left->right
+    board.D12,
+    board.D13,
+    board.D14,
+    board.D15,
+    board.D16,
+    # Internal
+    board.NEOPIXEL,
+    board.VBUS_SENSE,
+    board.POWER_LED,
+    board.I2C,
+    board.SPI,
+    board.UART,
+]
diff --git a/firmware/kmk/scanners/digitalio.py b/firmware/kmk/scanners/digitalio.py
index 43345fe..73ffb61 100755
--- a/firmware/kmk/scanners/digitalio.py
+++ b/firmware/kmk/scanners/digitalio.py
@@ -5,6 +5,16 @@
 from kmk.scanners import DiodeOrientation, Scanner
 
 
+def ensure_DIO(x):
+    # __class__.__name__ is used instead of isinstance as the MCP230xx lib
+    # does not use the digitalio.DigitalInOut, but rather a self defined one:
+    # https://github.com/adafruit/Adafruit_CircuitPython_MCP230xx/blob/3f04abbd65ba5fa938fcb04b99e92ae48a8c9406/adafruit_mcp230xx/digital_inout.py#L33
+    if x.__class__.__name__ == 'DigitalInOut':
+        return x
+    else:
+        return digitalio.DigitalInOut(x)
+
+
 class MatrixScanner(Scanner):
     def __init__(
         self,
@@ -32,37 +42,13 @@ def __init__(
 
         self.diode_orientation = diode_orientation
 
-        # __class__.__name__ is used instead of isinstance as the MCP230xx lib
-        # does not use the digitalio.DigitalInOut, but rather a self defined one:
-        # https://github.com/adafruit/Adafruit_CircuitPython_MCP230xx/blob/3f04abbd65ba5fa938fcb04b99e92ae48a8c9406/adafruit_mcp230xx/digital_inout.py#L33
-
         if self.diode_orientation == DiodeOrientation.COL2ROW:
-            self.anodes = [
-                x
-                if x.__class__.__name__ == 'DigitalInOut'
-                else digitalio.DigitalInOut(x)
-                for x in cols
-            ]
-            self.cathodes = [
-                x
-                if x.__class__.__name__ == 'DigitalInOut'
-                else digitalio.DigitalInOut(x)
-                for x in rows
-            ]
+            self.anodes = [ensure_DIO(x) for x in cols]
+            self.cathodes = [ensure_DIO(x) for x in rows]
             self.translate_coords = True
         elif self.diode_orientation == DiodeOrientation.ROW2COL:
-            self.anodes = [
-                x
-                if x.__class__.__name__ == 'DigitalInOut'
-                else digitalio.DigitalInOut(x)
-                for x in rows
-            ]
-            self.cathodes = [
-                x
-                if x.__class__.__name__ == 'DigitalInOut'
-                else digitalio.DigitalInOut(x)
-                for x in cols
-            ]
+            self.anodes = [ensure_DIO(x) for x in rows]
+            self.cathodes = [ensure_DIO(x) for x in cols]
             self.translate_coords = False
         else:
             raise ValueError(f'Invalid DiodeOrientation: {self.diode_orienttaion}')
diff --git a/firmware/kmk/transports/pio_uart.py b/firmware/kmk/transports/pio_uart.py
index 0b30df6..108d9b4 100755
--- a/firmware/kmk/transports/pio_uart.py
+++ b/firmware/kmk/transports/pio_uart.py
@@ -2,6 +2,7 @@
 Circuit Python wrapper around PIO implementation of UART
 Original source of these examples: https://github.com/adafruit/Adafruit_CircuitPython_PIOASM/tree/main/examples (MIT)
 '''
+
 import rp2pio
 from array import array
 
diff --git a/firmware/main.py b/firmware/main.py
index 57ad427..88f8c0d 100755
--- a/firmware/main.py
+++ b/firmware/main.py
@@ -1,8 +1,4 @@
-import board
-import digitalio
-
 from kb import KMKKeyboard
-from storage import getmount
 
 from kmk.keys import KC
 from kmk.modules.layers import Layers
@@ -13,9 +9,6 @@
 
 layers = Layers()
 
-# data_pin = board.GP1 if split_side == SplitSide.LEFT else board.GP0
-# data_pin2 = board.GP0 if split_side == SplitSide.LEFT else board.GP1
-
 layers_ext = Layers()
 layers_ext.tap_time = 100
 
@@ -26,23 +19,23 @@
 # _______ = KC.TRNS
 # XXXXXXX = KC.NO
 
-# LYR_LOWER = 1
-# LYR_RAISE = 2
-# LOWER = KC.MO(LYR_LOWER)
-# RAISE = KC.MO(LYR_RAISE)
-# ADJUST = KC.LT(3, KC.SPC)
-
-# MT_RSEN = KC.MT(KC.ENT, KC.RSFT)
-# KC_LRGR = KC.LT(LYR_LOWER, KC.GRV)
-# KC_RSSP = KC.LT(LYR_RAISE, KC.SPC)
+LAYER_ALT = 1
+KCALT = KC.LT(LAYER_ALT, KC.SPC)
 
 keyboard.keymap = [
-    [  #QWERTY
+    [  
         KC.A,    KC.B,    KC.C,    KC.D,
         KC.E,    KC.F,    KC.J,    KC.K,
         KC.L,    KC.M,    KC.N,    KC.O,
         KC.P,    KC.Q,    KC.R,    KC.S,
-        KC.T,    KC.U,    KC.V,    KC.W,
+        KCALT,    KC.U,    KC.V,    KC.W,
+    ],
+    [  
+        KC.N1,       KC.N2,       KC.N3,       KC.N4,
+        KC.N5,       KC.N6,       KC.N7,       KC.N8,
+        KC.N9,       KC.N0,       KC.LBRACKET, KC.RBRACKET,
+        KC.QUOTE,    KC.COMMA,    KC.GRAVE,    KC.DOT,
+        KC.SLASH,    KC.MINUS,    KC.EQUAL,    KC.ENTER,
     ],
 ]