diff --git a/pousseseringue-arduino.ino b/pousseseringue-arduino.ino
index 068a6a63f509c742c0f25eff92b8357f4c31a142..6d85496a644a42658f6a1cdde1d5d52c14a57460 100644
--- a/pousseseringue-arduino.ino
+++ b/pousseseringue-arduino.ino
@@ -23,6 +23,8 @@
 
 #else // primilinary proto pinout
 
+#warning WARNING NOT LAAS BOARD !
+
 // A4988 PINOUT
 #define DIR             12              // esp8266 gpio
 #define STEP            13              // esp8266 gpio
@@ -203,6 +205,7 @@ void buttons (int shortp, int longp)
 void setup()
 {
     Serial.begin(74880);
+    Serial.setDebugOutput(true);
     Wire.begin();
     Wire.setClock(400000L);
     delay(500);