1 files changed, 3 insertions, 0 deletions

diff --git a/avr.h b/avr.h
index c75d4cf..851f1ff 100644
--- a/avr.h
+++ b/avr.h
@@ -7,4 +7,7 @@
 int getButton();
 void waitForButton(int i);
 
+void beep(unsigned long freq);
+void beepOff();
+
 #endif