Add Numerical Keypad support from Bolt Industries

boards/Pico14/README.md

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+# Pico 14 Numerical Keypad
+
+![Pico14](https://www.boltind.com/wp-content/uploads/2022/01/PXL_20220119_171113903-scaled.jpg)
+
+Pico 14 Numerical Keypad / Macro Pad PCB’s and Hardware Kit.
+
+`kb.py` is designed to work with the Pi Pico.
+
+Retailers:
+[Bolt Industries](https://www.boltind.com/product/pico-14-numerical-keypad-macro-pad-pcbs-and-hardware-kit/)

boards/Pico14/kb.py

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+import board
+
+from kmk.kmk_keyboard import KMKKeyboard as _KMKKeyboard
+from kmk.scanners import DiodeOrientation
+
+
+class KMKKeyboard(_KMKKeyboard):
+    col_pins = (
+        board.GP0,
+        board.GP1,
+        board.GP2,
+    )
+
+    row_pins = (
+        board.GP18,
+        board.GP19,
+        board.GP20,
+        board.GP21,
+        board.GP22,
+    )
+
+    diode_orientation = DiodeOrientation.COLUMNS
+    led_pin = board.GP27

boards/Pico14/main.py

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+from kb import KMKKeyboard
+
+from kmk.extensions.LED import LED
+from kmk.extensions.lock_status import LockStatus
+from kmk.keys import KC
+from kmk.modules.layers import Layers
+
+Pico14 = KMKKeyboard()
+
+
+class LEDLockStatus(LockStatus):
+    def __init__(self, leds):
+        super().__init__()
+        self._leds = leds
+
+    def set_lock_leds(self):
+        if self.get_num_lock():
+            self._leds.set_brightness(100, leds=[0])
+        else:
+            self._leds.set_brightness(0, leds=[0])
+
+    def after_hid_send(self, sandbox):
+        super().after_hid_send(sandbox)  # Critically important. Removing this will break lock status.
+
+        if self.report_updated:
+            self.set_lock_leds()
+
+
+Pico14.modules.append(Layers())
+leds = LED(led_pin=[Pico14.led_pin], val=0)
+Pico14.extensions.append(leds)
+Pico14.extensions.append(LEDLockStatus(leds))
+
+# Make this for better looking formatting...
+______ = KC.TRNS
+XXXXXX = KC.NO
+
+Pico14.keymap = [[
+  # Layer 0 QWERTY
+    KC.NUMLOCK,  KC.NUMPAD_SLASH, KC.NUMPAD_ASTERISK,
+    KC.NUMPAD_7, KC.NUMPAD_8,     KC.NUMPAD_9,
+    KC.NUMPAD_4, KC.NUMPAD_5,     KC.NUMPAD_6,
+    KC.NUMPAD_1, KC.NUMPAD_2,     KC.NUMPAD_1,
+    KC.NUMPAD_0, XXXXXX,          KC.NUMPAD_DOT
+  ], [
+  # Layer 1
+    ______,      ______,          ______,
+    KC.HOME,     KC.UP,           KC.PGUP,
+    KC.LEFT,     ______,          KC.RIGHT,
+    KC.END,      KC.DOWN,         KC.PGDN,
+    KC.INS,      XXXXXX,          KC.DEL
+  ]
+]
+
+if __name__ == '__main__':
+    Pico14.go()