https://lms.onnocenter.or.id/wiki/index.php?action=history&feed=atom&title=WeMOS%3A_D1_R1_mini_buzzer 2026-04-28T01:20:13Z Revision history for this page on the wiki MediaWiki 1.45.1 https://lms.onnocenter.or.id/wiki/index.php?title=WeMOS:_D1_R1_mini_buzzer&diff=70349&oldid=prev 2024-06-01T06:34:41Z

<p>Created page with &quot; <span class="autocomment">Wemos D1 mini/D1 lite Buzzer Shield example by Petr Lukas Simple music, sound efects and cricket chirp sounds: </span> int buzzer=D5; //Buzzer control port, default D5...&quot;</p> <p><b>New page</b></p><div> /*<br /> Wemos D1 mini/D1 lite <br /> Buzzer Shield example <br /> by Petr Lukas<br /> Simple music, sound efects and cricket chirp sounds<br /> */<br /> <br /> int buzzer=D5; //Buzzer control port, default D5<br /> <br /> void setup() {<br /> pinMode(buzzer, OUTPUT);<br /> digitalWrite(buzzer, LOW);<br /> Serial.begin(115200);<br /> Serial.println(&quot;Buzzer Test...&quot;);<br /> <br /> musicTest();<br /> <br /> delay(1000);<br /> ohhh();<br /> <br /> delay(1000);<br /> uhoh(); <br /> <br /> delay(1000);<br /> cricketChirp();<br /> cricketChirp();<br /> cricketChirp();<br /> cricketChirp();<br /> }<br /> <br /> void tone(uint8_t _pin, unsigned int frequency, unsigned long duration, unsigned long pause) {<br /> pinMode (_pin, OUTPUT );<br /> analogWriteFreq(frequency);<br /> analogWrite(_pin,500);<br /> delay(duration);<br /> analogWrite(_pin,0);<br /> delay(pause);<br /> }<br /> <br /> void beep (int speakerPin, float noteFrequency, long noteDuration){<br /> int x;<br /> // Convert the frequency to microseconds<br /> float microsecondsPerWave = 1000000/noteFrequency;<br /> // Calculate how many milliseconds there are per HIGH/LOW cycles.<br /> float millisecondsPerCycle = 1000/(microsecondsPerWave * 2);<br /> // Multiply noteDuration * number or cycles per millisecond<br /> float loopTime = noteDuration * millisecondsPerCycle;<br /> // Play the note for the calculated loopTime.<br /> for (x=0;x&lt;loopTime;x++)<br /> {<br /> digitalWrite(speakerPin,HIGH);<br /> delayMicroseconds(microsecondsPerWave);<br /> digitalWrite(speakerPin,LOW);<br /> delayMicroseconds(microsecondsPerWave);<br /> }<br /> }<br /> <br /> void musicTest(){<br /> delay(1000);<br /> tone(buzzer, 400, 600, 150);<br /> tone(buzzer, 400, 600, 150);<br /> tone(buzzer, 400, 600, 150); <br /> <br /> tone(buzzer, 320, 400, 80);<br /> tone(buzzer, 475, 150, 80);<br /> tone(buzzer, 400, 600, 100);<br /> <br /> tone(buzzer, 320, 400, 80);<br /> tone(buzzer, 475, 150, 80);<br /> tone(buzzer, 400, 600, 100);<br /> }<br /> <br /> void ohhh() {<br /> for (int i=1000; i&lt;2000; i=i*1.02) { beep(buzzer,i,10); } for (int i=2000; i&gt;1000; i=i*.98) {<br /> beep(buzzer,i,10);<br /> }<br /> }<br /> <br /> void uhoh() {<br /> for (int i=1000; i&lt;1244; i=i*1.01) { beep(buzzer,i,30); } delay(200); for (int i=1244; i&gt;1108; i=i*.99) {<br /> beep(buzzer,i,30);<br /> }<br /> }<br /> <br /> void cricketChirp(){<br /> for(int i=0; i&lt;4; i++){<br /> tone(buzzer, 4000, 20, 15);<br /> }<br /> delay(450);<br /> }<br /> <br /> void loop() {<br /> <br /> }</div>

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