Instructions

25/06/2015 DFRduinoBeginnerKitForArduinoV3SKU:DFR0100RobotWiki
http://www.dfrobot.com/wiki/index.php/DFRduino_Beginner_Kit_For_Arduino_V3_SKU:DFR0100 9/23
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sinVal=(sin(x*(3.1412/180)));
//generateafrequencyfromthesinvalue
toneVal=2000+(int(sinVal*1000));
tone(8,toneVal);
delay(2);
}
}
7.TemperatureAlarm
?
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/*
TemperatureAlarm
*/
floatsinVal;
inttoneVal;
unsignedlongtepTimer;

voidsetup(){
pinMode(8,OUTPUT);
Serial.begin(9600);
}

voidloop(){
intval;
doubledata;
val=analogRead(0);