diff --git a/simulator.sh b/simulator.sh
index 592defe..b70f01f 100755
--- a/simulator.sh
+++ b/simulator.sh
@@ -1,2 +1,3 @@
 #!/bin/bash
-python -ic "from simulator import *"
+python -ic "from simulator import *
+def reload(): reload_sim(globals())"
diff --git a/simulator/__init__.py b/simulator/__init__.py
index 1921bf5..3529614 100644
--- a/simulator/__init__.py
+++ b/simulator/__init__.py
@@ -1,4 +1,5 @@
 
+import importlib
 import os
 import sys
 #######################################################
@@ -9,7 +10,18 @@ import sys
 sys.path.insert(0, os.path.join(os.getcwd(), "simulator"))
 
 
-
-print("Welcome to the Workantile Door System Simulator!")
 import doors
 from doors import *
+
+
+def reload_sim(namespace):
+    importlib.reload(GPIO)
+    importlib.reload(request)
+    importlib.reload(serial)
+    importlib.reload(doors)
+    namespace.update(doors.__dict__)
+
+
+print("")
+print("Welcome to the Workantile Door System Simulator!")
+print("Hint: call reload() to reload the simulator with updated code.")