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hackpads/YippeePad/Firmware/KMK/kb.py

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+import board
+from kmk.kmk_keyboard import KMKKeyboard
+from kmk.scanners import DiodeOrientation
+from kmk.modules.mcp23017 import MCP23017
+from kmk.modules.encoder import EncoderHandler
+
+class CustomKeyboard(KMKKeyboard):
+    def __init__(self):
+        super().__init__()
+
+        # Define MCP23017 Expander for 12 switches
+        self.mcp = MCP23017(address=0x20)  # Default I2C address
+        self.modules.append(self.mcp)
+
+        # Define key matrix pins
+        self.col_pins = (self.mcp.gpioa[0], self.mcp.gpioa[1], self.mcp.gpioa[2])
+        self.row_pins = (self.mcp.gpiob[0], self.mcp.gpiob[1], self.mcp.gpiob[2], self.mcp.gpiob[3])
+        self.diode_orientation = DiodeOrientation.COL2ROW
+
+        # Rotary Encoder Setup
+        self.encoder_handler = EncoderHandler()
+        self.encoder_handler.pins = [(board.GP6, board.GP7), (board.GP8, board.GP9)]
+        self.modules.append(self.encoder_handler)

hackpads/YippeePad/Firmware/KMK/main.py

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+import board
+import digitalio
+from kmk.kmk_keyboard import KMKKeyboard
+from kmk.keys import KC
+from kmk.modules.mcp23017 import MCP23017
+from kmk.modules.encoder import EncoderHandler
+from kmk.extensions.peg_oled_display import Oled, OledDisplayMode, OledData
+from kmk.handlers.sequences import send_string
+
+keyboard = KMKKeyboard()
+
+# Add I2C MCP23017 Expander
+mcp23017 = MCP23017(address=0x20)
+keyboard.modules.append(mcp23017)
+
+# Add Rotary Encoders
+encoder_handler = EncoderHandler()
+encoder_handler.pins = [(board.GP6, board.GP7), (board.GP8, board.GP9)]
+keyboard.modules.append(encoder_handler)
+
+# Define Websites (Modify URLs as needed)
+website_shortcuts = [
+    send_string("https://gmail.com\n"),
+    send_string("https://youtube.com\n"),
+    send_string("https://github.com\n"),
+    send_string("https://reddit.com\n"),
+    send_string("https://twitter.com\n"),
+    send_string("https://discord.com\n"),
+    send_string("https://twitch.tv\n"),
+    send_string("https://spotify.com\n"),
+    send_string("https://stackoverflow.com\n"),
+    send_string("https://chatgpt.com\n"),
+    send_string("https://amazon.com\n"),
+    send_string("https://netflix.com\n"),
+]
+
+# Define Keymap for Switches
+keyboard.keymap = [website_shortcuts]
+
+# Rotary Encoders Functionality
+encoder_handler.map = [
+    ((KC.VOLU, KC.VOLD)),  # Encoder 1: Volume up/down
+    ((KC.BRIU, KC.BRID)),  # Encoder 2: Brightness up/down
+]
+
+# OLED Display (GIF Support)
+oled = Oled(
+    OledData(
+        gif="user_gif.gif",  # Replace with the actual GIF file you upload
+        mode=OledDisplayMode.GIF,
+    ),
+    flip=True
+)
+keyboard.extensions.append(oled)
+
+# Start Keyboard
+if __name__ == '__main__':
+    keyboard.go()

hackpads/YippeePad/Firmware/README.md

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+## Breakdown of Firmware
+
+First things first, the firmware runs on KMK!
+
+To summarize the code:
+
+Switches
+Corresponding website shortcut when pressed for each key
+
+Encoder #1
+Turning Clockwise -> Volume Up
+Turning Counterclockwise -> Volume Down
+Click Down -> Turns LEDs On/Off
+
+Encoder #2
+Turning Clockwise -> Brightness Up
+Turning Counterclockwise -> Brightness Down
+Click Down -> Toggle Different LED Modes
+
+OLED
+Display Custom GIFS
+Requires user to upload GIF file to microcontroller and name it user_gif.gif
+The screen will continuously display GIF unless changed or powered off