// --------------------------------------------------------------------------- // Connect your piezo buzzer (without internal oscillator) or speaker to these pins: // Pins 9 & 10 - ATmega328, ATmega128, ATmega640, ATmega8, Uno, Leonardo, etc. // Pins 11 & 12 - ATmega2560/2561, ATmega1280/1281, Mega // Pins 12 & 13 - ATmega1284P, ATmega644 // Pins 14 & 15 - Teensy 2.0 // Pins 25 & 26 - Teensy++ 2.0 // Be sure to include an inline 100 ohm resistor on one pin as you normally do when connecting a piezo or speaker. // --------------------------------------------------------------------------- #include "toneAC.h" // Melody liberated from the toneMelody Arduino example sketch by Tom Igoe. int melody[] = { 262, 196, 196, 220, 196, 0, 247, 262 }; int noteDurations[] = { 4, 8, 8, 4, 4, 4, 4, 4 }; void setup() {} // Nothing to setup, just start playing! void loop() { for (unsigned long freq = 125; freq <= 15000; freq += 10) { toneAC(freq); // Play the frequency (125 Hz to 15 kHz sweep in 10 Hz steps). delay(1); // Wait 1 ms so you can hear it. } toneAC(); // Turn off toneAC, can also use noToneAC(). delay(1000); // Wait a second. for (int thisNote = 0; thisNote < 8; thisNote++) { int noteDuration = 1000/noteDurations[thisNote]; toneAC(melody[thisNote], 10, noteDuration, true); // Play thisNote at full volume for noteDuration in the background. delay(noteDuration * 4 / 3); // Wait while the tone plays in the background, plus another 33% delay between notes. } while(1); // Stop (so it doesn't repeat forever driving you crazy--you're welcome). }