diff --git a/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/src/pP_function.h b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/src/pP_function.h
index 8b5331e..f10701e 100644
--- a/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/src/pP_function.h
+++ b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/src/pP_function.h
@@ -19,6 +19,7 @@ void pulse() {
   sensorHReading = 1;
   delay(TRG_DUR);
   digitalWriteFast(TRG_OUT, HIGH);
+  Serial.println("Trig'd!");
 }
 
 /*------------------------------------------------*/