diff --git a/seriaport.ino b/seriaport.ino
index 026108b..082af37 100644
--- a/seriaport.ino
+++ b/seriaport.ino
@@ -1,4 +1,4 @@
-int analogPin = A3; 
+int analogPin = A0; 
                     
 int meas = 0;