Temp sensor functionality, changed README

mqtt/tempSensor.py

@@ -0,0 +1,24 @@
+import time
+import board
+import adafruit_dht
+import psutil
+# We first check if a libgpiod process is running. If yes, we kill it!
+for proc in psutil.process_iter():
+    if proc.name() == 'libgpiod_pulsein' or proc.name() == 'libgpiod_pulsei':
+        proc.kill()
+#D20 is the pin number, DHT11 is the sensor type
+sensor = adafruit_dht.DHT11(board.D20)
+while True:
+    try:
+        temp = sensor.temperature
+        humidity = sensor.humidity
+        print("Temperature: {}*C   Humidity: {}% ".format(temp, humidity))
+    except RuntimeError as error:
+        print(error.args[0])
+        time.sleep(2.0)
+        continue
+    except Exception as error:
+        sensor.exit()
+        raise error
+    #time between temp and humidity checks
+    time.sleep(2.0)