diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 9d43acb7..820aa6ef 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -2741,6 +2741,8 @@ bool TimerHandler0(struct repeating_timer *t) {
 
 void start_isr() {
 	
+	return;
+	
 	Serial.println("Starting ISR");
 	
 	pinMode(AUDIO_OUT_PIN, OUTPUT);