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Code for arduino - Revision history
2026-05-22T13:20:55Z
Revision history for this page on the wiki
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https://www.uni-weimar.de/kunst-und-gestaltung/wiki/index.php?title=Code_for_arduino&diff=127688&oldid=prev
Capo0368: Created page with "int melody[8] = {262,294,330,349,392,440,494,523}; int TRIG = 3, ECHO = 4, speaker = 7; void setup() { Serial.begin(9600); pinMode(TRIG,OUTPUT); pinMode(ECHO,INPUT); pin..."
2021-11-24T11:22:07Z
<p>Created page with "int melody[8] = {262,294,330,349,392,440,494,523}; int TRIG = 3, ECHO = 4, speaker = 7; void setup() { Serial.begin(9600); pinMode(TRIG,OUTPUT); pinMode(ECHO,INPUT); pin..."</p>
<p><b>New page</b></p><div>int melody[8] = {262,294,330,349,392,440,494,523};<br />
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int TRIG = 3, ECHO = 4, speaker = 7;<br />
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void setup() {<br />
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Serial.begin(9600);<br />
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pinMode(TRIG,OUTPUT);<br />
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pinMode(ECHO,INPUT);<br />
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pinMode(speaker, OUTPUT);<br />
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}<br />
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void loop() {<br />
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float distance, duration;<br />
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digitalWrite(TRIG, HIGH);<br />
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delayMicroseconds(1);<br />
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digitalWrite(TRIG,LOW);<br />
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duration = pulseIn(ECHO,HIGH);<br />
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distance = ((float)(duration*340)/10000)/2;<br />
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Serial.println(distance);<br />
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int i;<br />
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if (distance <= 32) {<br />
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i=map(distance,0,32,0,7);<br />
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tone (speaker, melody[i], 250);<br />
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delay (300);<br />
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}<br />
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else {<br />
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noTone(speaker);<br />
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}<br />
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}</div>
Capo0368