Arduino – Piezo + Switch 2
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int piezo=A3; int btnRight=4, btnLeft=5; void setup() { pinMode(btnRight, INPUT); pinMode(btnLeft, INPUT); } void loop() { if (digitalRead(btnRight) && digitalRead(btnLeft)) { tone(piezo, 330); } else if (digitalRead(btnRight)) { tone(piezo, 294); } else if (digitalRead(btnLeft)) { tone(piezo, 262); } else { noTone(piezo); } } |