diff --git a/AutomForArduino.cpp b/AutomForArduino.cpp
index bf2183d..e03477a 100644
--- a/AutomForArduino.cpp
+++ b/AutomForArduino.cpp
@@ -381,6 +381,9 @@ void digitalWrite(unsigned int p, int value)
     _digital[p].duration += dt;
   }
 
+  _digital[p].raising = (_digital[p].memory < _digital[p].ivalue);
+  _digital[p].falling = (_digital[p].memory > _digital[p].ivalue);
+  _digital[p].memory = _digital[p].ivalue;
   _digital[p].ivalue = value;
 }