Code for the keypad

Dependencies:   TextLCD keypad mbed-rtos mbed

Revision:
0:f39f0de7c0ce
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/buzzer/buzzer.h	Mon May 08 19:57:56 2017 +0000
@@ -0,0 +1,17 @@
+#ifndef BUZZER_H
+#define BUZZER_H
+ 
+#include "mbed.h"
+ 
+class Buzzer{
+ 
+    public:
+        Buzzer(PinName buzzerPin);
+        void playNote(float frequency, float duration = 100, float volume = 1.0);
+        void startupBeep();
+    
+    private:
+        PwmOut out;
+};
+ 
+#endif
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