Added Lab 10

Lab10/MicroPython/Code/ReadFeedSlider.py

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+import network
+import time
+from umqtt.simple import MQTTClient
+import secrets
+
+# WiFi setup
+def connect_wifi():
+    wlan = network.WLAN(network.STA_IF)
+    wlan.active(True)
+    wlan.connect(secrets.WIFI_SSID, secrets.WIFI_PASSWORD)
+
+    print("Connecting to WiFi...")
+    while not wlan.isconnected():
+        time.sleep(1)
+
+    print("Connected:", wlan.ifconfig())
+
+# MQTT callback (runs when new message arrives)
+def message_callback_temperaturesetting(topic, msg):
+    print("Received from feed:", topic)
+    print("Value:", msg)
+
+    # Convert to int if needed (for servo control later)
+    try:
+        value = int(msg)
+        print("Parsed value:", value)
+        print(type(msg))
+    except:
+        print("Non-integer value")
+
+# MQTT setup
+def connect_mqtt():
+    client_id = "picoW-client"
+    broker = "io.adafruit.com"
+    port = 1883
+
+    username = secrets.AIO_USERNAME
+    password = secrets.AIO_KEY
+
+    client = MQTTClient(client_id, broker, port=port,
+                        user=username, password=password)
+
+    client.set_callback(message_callback_temperaturesetting)
+    client.connect()
+
+    # Subscribe to your feed
+    feed_path = f"{username}/feeds/temperaturesetting"
+    client.subscribe(feed_path)
+
+    print("Subscribed to:", feed_path)
+    return client
+
+# Main loop
+def main():
+    connect_wifi()
+    client = connect_mqtt()
+
+    print("Waiting for messages...")
+
+    while True:
+        client.check_msg()  # Non-blocking
+        time.sleep(1)
+
+# Run
+main()