1_S0224.zip

//高二2 黄熙 24 #include<LiquidCrystal_I2C.h> #include<Wire.h> LiquidCrystal_I2C lcd(0x27,16,2); void setup() { for(int z=2;z<=10;z++) { pinMode(z,OUTPUT); digitalWrite(z,HIGH); } lcd.init(); lcd.clear(); lcd.backlight(); lcd.setCursor(0,0); lcd.print("WONG HEI"); lcd.setCursor(0,1); lcd.print("v="); } void loop() { int led[]={2,3,4,5,7,8,9,10}; int pl[]={0,523,587,659,698,784,880,988,1047,440}; int sd[]={5,5,5,5,5,5,3,5,6,5,3,2,3,5,5,3,5,3,2,1,3,2,3,3,2,9,1,2}; int td[]={250,250,500,250,250,500,250,250,250,125,125,250,250,500,250,250,250,125,125,250,250,500,250,250,500,250,250,500}; int sjtd=100; for(int i=0;i<=28;i++) { int v = analogRead(A2); v = map(v,0,1023,1,9); sjtd=(td[i]*4/v); tone(11, pl[sd[i]],sjtd); lcd.setCursor(2,1); lcd.print(v); if(sd[i]!=9) { digitalWrite(led[sd[i]-1],LOW); delay(sjtd+100); digitalWrite(led[sd[i]-1],HIGH); } else { digitalWrite(7,LOW); delay(sjtd+100); digitalWrite(7,HIGH); } } delay(3000); }