Added python script to receive data from barduino

subscriber.py

@@ -0,0 +1,71 @@
+#
+# MDEF Measuring the World
+# Team realG
+#
+# 18 Feb 2023
+# Added comments for documentation and removed sensitive information
+#
+# Run this code to receive MQTT messages and save them to local files
+#
+
+import paho.mqtt.client as mqtt
+import time
+import calendar
+from datetime import datetime
+
+current_GMT = time.gmtime()
+
+mqtt_broker = "" # put MQTT url
+mqtt_user = "" # put user
+mqtt_pass = "" # put password
+broker_port = 1883 # replace port number
+
+def on_connect(client, userdata, flags, rc):
+   print(f"Connected With Result Code: {rc}")
+
+def on_message(client, userdata, message): 
+   print(f"Message Recieved: {message.payload.decode()}")
+   time_stamp = calendar.timegm(current_GMT)
+   now = datetime.now() # current date and time
+   date_time = now.strftime("%m/%d/%Y, %H:%M:%S") # format the date time
+   print("Current timestamp:", now)
+
+   if(message.payload.decode() != "futurehacker"): # disregard "futurehacker" messages 
+      # Opening files. We are writing to two files for redundancy.
+      file1 = open('myfile.csv', 'a')
+      file2 = open('myfile.txt', 'a')
+      newdata = message.payload.decode() + "," + date_time + "\n"
+
+      # Writing a string to file
+      file1.write(newdata)
+      file2.write(newdata)
+
+      # Closing file
+      file1.close()
+      file2.close()
+
+
+def on_log(client, obj, level, string):
+    print (string)
+
+def read_sensor():
+	sensor_reading = "Hola hola caracola"
+	return sensor_reading
+
+client = mqtt.Client(clean_session = True)
+client.on_connect = on_connect
+client.on_message = on_message
+client.on_log = on_log
+client.username_pw_set(username = mqtt_user, password = mqtt_pass)
+client.connect(mqtt_broker, broker_port)
+
+
+# Subscribe to your topic here
+client.subscribe("lab/mdef/realg", qos=1)
+
+
+# Start looping (non-blocking)
+client.loop_start()
+
+while True:
+	time.sleep(5)