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Beeper

A low cost piezo transducer used to make tones.

Import Library:

http://mbed.org/projects/cookbook/svn/Beeper/trunk

Import Example program:

http://mbed.org/projects/cookbook/svn/Beeper/example

For details on how to use this in the compiler, see Importing Projects and Libraries in to the Compiler


Schematic	Photo

#include "mbed.h"
#include "Beeper.h"

Beeper myBeeper(p21);
int main(){
   for (int i = 0; i < 128 ; i++){
        myBeeper.note(i,0.1);}
}

Source Code of Beeper.bin(LPC1768 LPC2368)

Beeper	A class witch uses pwm to controle a beeper to generate sounds.
Functions
Beeper	Creates a new beeper object.
beep	Beep with given frequency and duration.
note	Plays a midi note for a given time.

class Beeper

A class witch uses pwm to controle a beeper to generate sounds.

Beeper ( PinName pin )

Creates a new beeper object.

void beep ( float frequency,
float time )

Beep with given frequency and duration.

void note ( int,
float time )

Plays a midi note for a given time.

Datasheets

PCB Library and Footprint

The Eagle PCB repsitory can be found at the Eagle page.

The Library for the Beeper is