User manual

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Experiment component:

Buzzer : 1

Breadboard & Jumper wires

Connect your circuit as the below diagram.

Example code

int buzzer=7;//set buzzer’s digital pin IO in control

void setup()

{

pinMode(buzzer,OUTPUT);//set digital pin IO OUTPUT

}

void loop()

{

unsigned char i,j;//define i j

while(1)

{

for(i=0;i<80;i++)// Output a frequency of sound