งานที่8

#include "LedControl.h" #define C4 262 #define D4 294 #define E4 330 #define F4 349 #define G4 392 #define A4 440 #define B4 494 #define C5 523 int melody[] = {C4,D4,E4,F4,G4,A4,B4,C5}; float beats[] ={1,1,1,1,1,1,1,1}; int buzzerpin = 11; int timestop = 70; LedControl lc=LedControl(8,10,9,1); // Pin 8->DIN, 10->CLK, 9->CS(LOAD), 1 = No.of devices void setup() { lc.shutdown(0,false); lc.setIntensity(0,5); lc.clearDisplay(0); int dl = 500; pinMode(buzzerpin,OUTPUT); int numnote; numnote = sizeof(melody)/2; for (int i=0;i<numnote;i++) { lc.setChar(0,7-i,'-',false); tone(buzzerpin, melody[i],dl*beats[i]); delay(dl*beats[i]); digitalWrite(buzzerpin,HIGH); delay(timestop); } } void loop() { }