diff --git a/arduino-connector.py b/arduino-connector.py
index 793313c..94fc240 100644
--- a/arduino-connector.py
+++ b/arduino-connector.py
@@ -343,16 +343,24 @@ while True:
 				if cmd == "I":
 					firstcom = 1
 					if value == 1:
-						c["din.{}".format(io)] = 1
-						c["din.{}-invert".format(io)] = 0
-						if(Debug):print("din{}:{}".format(io,1))
+						if c["din.{}-invert".format(io)] == 0:
+							c["din.{}".format(io)] = 1
+							if(Debug):print("din{}:{}".format(io,1))
+						else: 
+							c["din.{}".format(io)] = 0
+							if(Debug):print("din{}:{}".format(io,0))
+						
 						
 					if value == 0:
-						c["din.{}".format(io)] = 0
-						c["din.{}-invert".format(io)] = 1
-						if(Debug):print("din{}:{}".format(io,0))
+						if c["din.{}-invert".format(io)] == 0:
+							c["din.{}".format(io)] = 0
+							if(Debug):print("din{}:{}".format(io,0))
+						else: 
+							c["din.{}".format(io)] = 1
+							if(Debug):print("din{}:{}".format(io,1))
 					else:pass
 
+
 				elif cmd == "A":
 					firstcom = 1
 					c["ain.{}".format(io)] = value