int led1=23;
int led2=22;
int led3=21;
int buzz=25;
int pot1=34;

void setup() {
Serial.begin(115200);
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
pinMode(buzz, OUTPUT);

}

void loop() {
int valor=analogRead(pot1);
Serial.println(valor);

if(valor>=300){
analogWrite(led1,HIGH);
delay(1000);
analogWrite(led1,LOW);

tone(buzz,500,1000);
delay(100);
tone(buzz,600,1000);
delay(100);
tone(buzz,500,1000);
delay(100);
}

int valor2=analogRead(pot1);
Serial.println(valor2);

if(valor2>=600){
analogWrite(led2,HIGH);
delay(1000);
analogWrite(led2,LOW);

tone(buzz,1500,1000);
delay(100);
tone(buzz,1500,1000);
delay(100);
}


int valor3=analogRead(pot1);
Serial.println(valor3);

if(valor3>=900){
analogWrite(led3,HIGH);
delay(1000);
analogWrite(led3,LOW);

tone(buzz,1200,1000);
delay(100);
tone(buzz,0,1000);
delay(100);
tone(buzz,1200,1000);
delay(100);
tone(buzz,0,1000);
delay(100);
tone(buzz,1200,1000);
delay(100);
tone(buzz,0,1000);
delay(100);
}
}