diff --git a/simple-led/app.py b/simple-led/app.py
index 1e15ca6..a99292a 100644
--- a/simple-led/app.py
+++ b/simple-led/app.py
@@ -1,4 +1,5 @@
 import RPi.GPIO as GPIO
+import time
 
 
 def get_pin_number(number):
@@ -8,15 +9,33 @@ def get_pin_number(number):
 gpio_port_number = get_pin_number(18)
 
 
+def check_gpio_is_enabled():
+    channel_is_on = GPIO.input(gpio_port_number)
+
+    return channel_is_on
+
+
 def start_app():
     GPIO.setmode(GPIO.BCM)
-
     GPIO.setup(gpio_port_number, GPIO.OUT)
 
-    GPIO.output(gpio_port_number, True)
+    if check_gpio_is_enabled():
+        print('Gpio pin was enabled')
+        GPIO.output(gpio_port_number, gpio_port_number)
+
+    while True:
+        GPIO.output(gpio_port_number, True)
+        time.sleep(1)
+
+        GPIO.output(gpio_port_number, False)
+        time.sleep(1)
 
 
 try:
     start_app()
 except Exception as e:
+    print(e)
     GPIO.cleanup()
+
+finally:
+    GPIO.cleanup