Temperature Alarm - DFRobot DFR0100 Manual

25/06/2015
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sinVal = (sin(x*(3.1412/180)));
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// generate a frequency from the sin value
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toneVal = 2000+(int(sinVal*1000));
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tone(8, toneVal);
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delay(2);
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}
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}
7.Temperature Alarm
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1
/*
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Temperature Alarm
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*/
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float sinVal;
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int toneVal;
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unsigned long tepTimer ;
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void setup(){
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pinMode(8, OUTPUT);
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Serial.begin(9600);
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}
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void loop(){
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int val;
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double data;
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val=analogRead(0);
http://www.dfrobot.com/wiki/index.php/DFRduino_Beginner_Kit_For_Arduino_V3_SKU:DFR0100
DFRduino Beginner Kit For Arduino V3 SKU:DFR0100 ­ Robot Wiki
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