adding arduino examples for DHT11, blink, and temperature sensor

week3/examples/Projects/TemperatureSensor/desktop/desktop.py

@@ -0,0 +1,32 @@
+import serial
+import time
+
+# Configure the serial port
+# Replace 'COM4' (Windows) or '/dev/ttyACM0' (Linux/Mac) with your Arduino's port
+# Ensure the baud rate matches the one used in your Arduino sketch (e.g., Serial.begin(9600))
+port = '/dev/ttyACM0'
+baud_rate = 9600
+timeout = 1
+
+try:
+    # Open the serial port
+    ser = serial.Serial(port, baud_rate, timeout=timeout)
+    time.sleep(2)  # Wait for the connection to establish (Arduino reset delay)
+
+    print("Listening for messages...")
+
+    while True:
+        # Check if data is available
+        if ser.in_waiting > 0:
+            # Read a line from the serial port
+            message = ser.readline().decode('utf-8').rstrip()
+            print(f"Received: {message}")
+
+except serial.SerialException as e:
+    print(f"Error opening serial port: {e}")
+except KeyboardInterrupt:
+    print("\nExiting...")
+finally:
+    if 'ser' in locals() and ser.is_open:
+        ser.close()
+        print("Serial port closed.")