--- a/examples/AVR/Slave/ds401.c	Wed Mar 12 10:08:43 2008 +0100
+++ b/examples/AVR/Slave/ds401.c	Fri Mar 14 10:55:34 2008 +0100
@@ -49,7 +49,11 @@
     newInput++;
   }
   if (transmission)
+  {
+  /* force emission of PDO by artificially changing last emitted*/
+    d->PDO_status[0].last_message.cob_id = 0;
     sendPDOevent(d);
+  }
 
   return 1;
 }