Lab：Let’s LEDS singing

This experiment, I want to let the Led lights sing by themselves.

I used the random() function to make the six LEDs randomly lit, and set a calculation parameter m. At the same time, with the buzzer, when the total number of flashing lights of the bulb is 1, the ‘dao’ pronunciation is issued, When m is 2, the sound of ‘rai’ is emitted. When the total number of flashing lights of the bulb m is 3, the sound of ‘mi’ is emitted, and so on.

Tool:

6 LEDS, Buzzer, use cable, Arduino NANO 33 IOT…

 code:

int ports[6]={5,6,9,10,11,12};
int value;
void setup() {

Serial.begin(9600);
pinMode(3,OUTPUT);
pinMode(5,OUTPUT);
pinMode(6,OUTPUT);
pinMode(9,OUTPUT);
pinMode(10,OUTPUT);
pinMode(11,OUTPUT);
pinMode(12,OUTPUT);

// put your setup code here, to run once:

}

void loop() {

int m=0;
for(int i=0;i<6;i++)
{

if (random(0,10)>5){value=0;}else{value=1;}
digitalWrite(ports[i], value);
if(digitalRead(ports[i])==1)
{ ++m%=7;

}

}

Serial.println(m);

delay(100);
switch(m){
case 1:{
analogWrite(3,200);
tone(3,2093,100);
delay(100);
}
case 2:{
analogWrite(3,200);
tone(3,2349,100);
delay(100);
}
case 3:{
analogWrite(3,200);
tone(3,2637,100);
delay(100);
}
case 4:{
analogWrite(3,200);
tone(3,2794,100);
delay(100);
}
case 5:{
analogWrite(3,200);
tone(3,3136,100);
delay(100);
}
case 6:{
analogWrite(3,200);
tone(3,3520,100);
delay(100);
}
}

}