diff --git a/temp-calc.py b/temp-calc.py
index 7af256d..0130e86 100755
--- a/temp-calc.py
+++ b/temp-calc.py
@@ -2,20 +2,25 @@
 
 import RPi.GPIO as GPIO
 import dht11
+import time
 
 # initialize GPIO
 GPIO.setwarnings(False)
 GPIO.setmode(GPIO.BCM)
 GPIO.cleanup()
 
-# read data using pin 16
-instance = dht11.DHT11(pin = 16)
-result = instance.read()
+try:
+  while True:
+    # read data using pin 16
+    instance = dht11.DHT11(pin = 16)
+    result = instance.read()
 
-if result.is_valid():
-    print("Temperature: %-3.1f C" % result.temperature)
-    print("Humidity: %-3.1f %%" % result.humidity)
-else:
-    print("Error: %d" % result.error_code)
-
-GPIO.cleanup()
+    if result.is_valid():
+      print("Temperature: %-3.1f C" % result.temperature)
+      print("Humidity: %-3.1f %%" % result.humidity)
+    else:
+      print("Error: %d" % result.error_code)
+    time.sleep(3)
+except KeyboardInterrupt:
+  print("Program stopped by user.")
+  GPIO.cleanup()