diff --git a/src/control_server.py b/src/control_server.py
index fd37799..413c947 100644
--- a/src/control_server.py
+++ b/src/control_server.py
@@ -14,12 +14,12 @@ import threading
 import time
 from bar_config import LED_BAR_NAMES, DEFAULT_BAR_SETTINGS
 from color_utils import adjust_brightness
+from networking import WebSocketClient as SPIClient  # SPI transport client
 
 # Configure logging
 logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
 
 # Configuration
-LED_SERVER_URI = "ws://192.168.4.1:80/ws"
 CONTROL_SERVER_PORT = 8765
 SOUND_CONTROL_HOST = "127.0.0.1"
 SOUND_CONTROL_PORT = 65433
@@ -40,57 +40,23 @@ PATTERN_NAMES = {
 
 
 class LEDController:
-    """Handles communication with LED bars via WebSocket."""
-    
-    def __init__(self, led_server_uri):
-        self.led_server_uri = led_server_uri
-        self.websocket = None
-        self.is_connected = False
-        self.reconnect_task = None
+    """Handles communication with LED bars via SPI (through ESP32 relay)."""
+
+    def __init__(self, spi_bus: int = 0, spi_device: int = 0, spi_speed_hz: int = 1_000_000):
+        self.client = SPIClient(bus=spi_bus, device=spi_device, speed_hz=spi_speed_hz)
+
+    @property
+    def is_connected(self) -> bool:
+        return getattr(self.client, "is_connected", False)
 
     async def connect(self):
-        """Connect to LED server."""
-        if self.is_connected and self.websocket:
-            return
-
-        try:
-            logging.info(f"Connecting to LED server at {self.led_server_uri}...")
-            self.websocket = await websockets.connect(self.led_server_uri)
-            self.is_connected = True
-            logging.info("Connected to LED server")
-            
-        except Exception as e:
-            logging.error(f"Failed to connect to LED server: {e}")
-            self.is_connected = False
-            self.websocket = None
-
+        await self.client.connect()
 
     async def send_data(self, data):
-        """Send data to LED server."""
-        if not self.is_connected or not self.websocket:
-            logging.warning("Not connected to LED server. Attempting to reconnect...")
-            await self.connect()
-            if not self.is_connected:
-                logging.error("Failed to reconnect to LED server. Cannot send data.")
-                return
-
-        try:
-            await self.websocket.send(json.dumps(data))
-            logging.debug(f"Sent to LED server: {data}")
-        except Exception as e:
-            logging.error(f"Failed to send data to LED server: {e}")
-            self.is_connected = False
-            self.websocket = None
-            # Attempt to reconnect
-            await self.connect()
+        await self.client.send_data(data)
 
     async def close(self):
-        """Close LED server connection."""
-        if self.websocket and self.is_connected:
-            await self.websocket.close()
-            self.is_connected = False
-            self.websocket = None
-            logging.info("Disconnected from LED server")
+        await self.client.close()
 
 
 class SoundController:
@@ -119,7 +85,8 @@ class LightingController:
     """Main lighting control logic."""
     
     def __init__(self):
-        self.led_controller = LEDController(LED_SERVER_URI)
+        # SPI defaults: bus 0, CE0, 1MHz; adjust here if needed
+        self.led_controller = LEDController(spi_bus=0, spi_device=0, spi_speed_hz=1_000_000)
         self.sound_controller = SoundController(SOUND_CONTROL_HOST, SOUND_CONTROL_PORT)
         
         # Lighting state