迷你钢琴原理图及程序源码

int pb1 = 2; int pb2 = 3; int pb3 = 4; int pb4 = 5; int pb5 = 6; int pb6 = 7; int pb7 = 8; int pb8 = 9; int buzz = 13; void setup() { //declare the pushbutton pins as input pinMode(pb1,INPUT); pinMode(pb2,INPUT); pinMode(pb3,INPUT); pinMode(pb4,INPUT); pinMode(pb5,INPUT); pinMode(pb6,INPUT); pinMode(pb7,INPUT); pinMode(pb8,INPUT); //declare buzzer pin as output pinMode(buzz,OUTPUT); } void loop() { // read the value from pushbuttons int C = digitalRead(pb1); int D = digitalRead(pb2); int E = digitalRead(pb3); int F = digitalRead(pb4); int G = digitalRead(pb5); int A = digitalRead(pb6); int B = digitalRead(pb7); int C2 = digitalRead(pb8); if( C == 1 ){ tone(buzz,262,100);//C,Do,sa } if( D == 1 ){ tone(buzz,294,100);//D,Re,re } if( E == 1 ){ tone(buzz,330,100);//E,Me,ga } if( F == 1 ){ tone(buzz,349,100);//F,Fa,ma } if( G == 1 ){ tone(buzz,392,100);//G,So,pa } if( A == 1 ){ tone(buzz,440,100);//A,La,da } if( B == 1 ){ tone(buzz,494,100);//B,Te,ni } if( C2 == 1 ){ tone(buzz,523,100);//C,Do,sa } delay(10); }