diff --git a/main.py b/main.py
index 07374ec..6664d9c 100644
--- a/main.py
+++ b/main.py
@@ -3,7 +3,7 @@ import time
 from scripts.networking import connect_wifi
 from scripts.discord_webhook import send_discord_message
 from scripts.monitors import TemperatureMonitor, WiFiMonitor, ACMonitor, run_monitors
-from scripts.temperature_sensor import get_configured_sensors, SENSOR_CONFIG
+from scripts.temperature_sensor import TemperatureSensor, get_configured_sensors
 from scripts.air_conditioning import ACController
 
 # Initialize pins (LED light onboard)
@@ -17,48 +17,73 @@ wifi = connect_wifi(led)
 if wifi and wifi.isconnected():
     send_discord_message("Pico W online and connected ✅")
 
+# Sensor configuration registry (moved from temperature_sensor.py)
+SENSOR_CONFIG = {
+    'inside': {
+        'pin': 10,
+        'label': 'Inside',
+        'alert_high': 80.0,
+        'alert_low': 70.0
+    },
+    'outside': {
+        'pin': 11,
+        'label': 'Outside',
+        'alert_high': 85.0,
+        'alert_low': 68.0
+    }
+}
+# Initialize sensors based on configuration
+def get_configured_sensors():  # define the function here
+    """Return dictionary of configured sensor instances."""
+    sensors = {}
+    for key, config in SENSOR_CONFIG.items():
+        sensors[key] = TemperatureSensor(pin=config['pin'], label=config['label'])
+    return sensors
+
 # Get configured sensors
-sensors = get_configured_sensors() # returns a dict, e.g. {'inside': ..., 'outside': ...}
+sensors = get_configured_sensors()  # Call the function here
+
+# AC Controller options
 ac_controller = ACController(
     relay_pin=15,
-    min_run_time=30,
-    min_off_time=5
+    min_run_time=30,   # min run time in seconds
+    min_off_time=5     # min off time in seconds
     )
 
 ac_monitor = ACMonitor(
     ac_controller=ac_controller,
     temp_sensor=sensors['inside'],  # <-- This is your inside temperature sensor
-    target_temp=77.0,
-    temp_swing=1.0,
-    interval=30
+    target_temp=77.0,   # target temperature in Fahrenheit
+    temp_swing=1.0,      # temp swing target_temp-temp_swing to target_temp+temp_swing
+    interval=30         # check temp every x seconds
 )
 
 # Set up monitors
 monitors = [
-    WiFiMonitor(wifi, led, interval=5, reconnect_cooldown=60),
-    ac_monitor,
+    WiFiMonitor(wifi, led, interval=5, reconnect_cooldown=60), # Wifi monitor, Check WiFi every 5s
+    ac_monitor, # AC monitor
+    TemperatureMonitor( # Inside temperature monitor
+        sensor=sensors['inside'],
+        label=SENSOR_CONFIG['inside']['label'],
+        check_interval=10,      # Check temp every 10 seconds
+        report_interval=30,     # Report/log every 30 seconds
+        alert_high=SENSOR_CONFIG['inside']['alert_high'],
+        alert_low=SENSOR_CONFIG['inside']['alert_low'],
+        log_file="/temp_logs.csv",
+        send_alerts_to_separate_channel=True
+    ),
+    TemperatureMonitor( # Outside temperature monitor
+        sensor=sensors['outside'],
+        label=SENSOR_CONFIG['outside']['label'],
+        check_interval=10,      # Check temp every 10 seconds
+        report_interval=30,     # Report/log every 30 seconds
+        alert_high=SENSOR_CONFIG['outside']['alert_high'],
+        alert_low=SENSOR_CONFIG['outside']['alert_low'],
+        log_file="/temp_logs.csv",
+        send_alerts_to_separate_channel=False
+    ),
 ]
 
-# Add temperature monitors from config
-for key, sensor in sensors.items():
-    config = SENSOR_CONFIG[key]
-    
-    # Inside temp alerts go to separate channel
-    send_to_alert_channel = (key == 'inside')
-    
-    monitors.append(
-        TemperatureMonitor(
-            sensor=sensor,
-            label=config['label'],
-            check_interval=10,      # Check temp every 10 seconds
-            report_interval=30,     # Report/log every 30 seconds
-            alert_high=config['alert_high'],
-            alert_low=config['alert_low'],
-            log_file="/temp_logs.csv",
-            send_alerts_to_separate_channel=send_to_alert_channel
-        )
-    )
-
 # Main monitoring loop
 while True:
     run_monitors(monitors)