Added Lab 10

Lab10/MicroPython/Code/ReadFeedSlider1.py

@@ -0,0 +1,86 @@
+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
+def message_callback(topic, msg):
+    topic = topic.decode()
+    msg = msg.decode()
+
+    print("Received:", topic, msg)
+
+    if topic.endswith("/myservo"):
+        try:
+            value = int(msg)
+            print("Servo value:", value)
+            # Add servo control here if needed
+        except:
+            print("Invalid servo value")
+
+    elif topic.endswith("/led"):
+        print("LED command:", msg)
+        # Example: interpret ON/OFF
+        if msg.upper() == "ON":
+            print("Turn LED ON")
+            # Add LED ON code here
+        elif msg.upper() == "OFF":
+            print("Turn LED OFF")
+            # Add LED OFF code here
+        else:
+            print("Unknown LED command")
+
+# 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)
+    client.connect()
+
+    # Feed paths
+    servo_feed = f"{username}/feeds/temperaturesetting"
+    led_feed = f"{username}/feeds/led"
+
+    # Subscribe to both feeds
+    client.subscribe(servo_feed)
+    client.subscribe(led_feed)
+
+    print("Subscribed to:")
+    print(" -", servo_feed)
+    print(" -", led_feed)
+
+    return client
+
+# Main loop
+def main():
+    connect_wifi()
+    client = connect_mqtt()
+
+    print("Waiting for messages...")
+
+    while True:
+        client.check_msg()
+        time.sleep(1)
+
+# Run
+main()