int nut1= A5;
int MIC = A0;
void setup()
{
  Serial.begin(9600);
  pinMode(nut1,INPUT_PULLUP);
  pinMode(MIC,INPUT);
  pinMode(12,OUTPUT);
  pinMode(11,OUTPUT);
  pinMode(13,OUTPUT);
  pinMode(2,OUTPUT);
  pinMode(3,OUTPUT);
  pinMode(4,OUTPUT);
  pinMode(5,OUTPUT);
  pinMode(6,OUTPUT);
  pinMode(7,OUTPUT);
  pinMode(8,OUTPUT);
  pinMode(9,OUTPUT);
  pinMode(10,OUTPUT);
  int CD3[] = {2,3,4,5,6,7,8,9,10,11,12};
//thiết lập kiểu chân các đèn
}
void loop(){
  while(true)
{
  int value=analogRead(MIC); // đọc tín hiệu analog
  //int value=map(sound,400,900,0,2800);// chuyển thang đo sound sang giá trị value
  if(value>465) {digitalWrite(2,HIGH);} else {digitalWrite(2,LOW);}
  if(value>472) {digitalWrite(3,HIGH);} else {digitalWrite(3,LOW);}
  if(value>488) {digitalWrite(4,HIGH);} else {digitalWrite(4,LOW);}
  if(value>498) {digitalWrite(5,HIGH);} else {digitalWrite(5,LOW);}
  if(value>510) {digitalWrite(6,HIGH);} else {digitalWrite(6,LOW);}
  if(value>528) {digitalWrite(7,HIGH);} else {digitalWrite(7,LOW);}
  if(value>540) {digitalWrite(8,HIGH);} else {digitalWrite(8,LOW);}
  if(value>555) {digitalWrite(9,HIGH);} else {digitalWrite(9,LOW);}
  if(value>575) {digitalWrite(10,HIGH);} else {digitalWrite(10,LOW);}
  if(value>590) {digitalWrite(11,HIGH);} else {digitalWrite(11,LOW);}
  if(value>610) {digitalWrite(12,HIGH);} else {digitalWrite(12,LOW);}
  delay(30);
  Serial.println(value);
  Serial.println("chedo1");
  if(digitalRead(nut1)==0)
  {
    while(digitalRead(nut1)==0);// có ấn nút nhấn ko
    chedo2();
  }
}
}
void chedo2()
{
  while(true)
  {
    int value=analogRead(MIC); // đọc tín hiệu analog
  //int value=map(sound,400,900,0,2800);// chuyển thang đo sound sang giá trị value
  if(value>470) {digitalWrite(2,HIGH);} else {digitalWrite(2,LOW);}
  if(value>500) {digitalWrite(3,HIGH);} else {digitalWrite(3,LOW);}
  if(value>540) {digitalWrite(4,HIGH);} else {digitalWrite(4,LOW);}
  if(value>580) {digitalWrite(5,HIGH);} else {digitalWrite(5,LOW);}
  if(value>620) {digitalWrite(6,HIGH);} else {digitalWrite(6,LOW);}
  if(value>670) {digitalWrite(7,HIGH);} else {digitalWrite(7,LOW);}
  if(value>620) {digitalWrite(8,HIGH);} else {digitalWrite(8,LOW);}
  if(value>580) {digitalWrite(9,HIGH);} else {digitalWrite(9,LOW);}
  if(value>540) {digitalWrite(10,HIGH);} else {digitalWrite(10,LOW);}
  if(value>500) {digitalWrite(11,HIGH);} else {digitalWrite(11,LOW);}
  if(value>470) {digitalWrite(12,HIGH);} else {digitalWrite(12,LOW);}
  delay(30);
  Serial.println("chedo2");
    Serial.println(value);
  if(digitalRead(nut1)==0)
  {
    while(digitalRead(nut1)==0);
    chedo3();}// chuyển sang chế độ 3
  }
}
void chedo3()
{
  while(true)
  {
    int value=analogRead(MIC);
    if(value < 400 ) {digitalWrite(2,HIGH);} else {digitalWrite(2,LOW);}
    if(value < 400 ) {digitalWrite(3,HIGH);} else {digitalWrite(3,LOW);}
    if(value < 400 ) {digitalWrite(4,HIGH);} else {digitalWrite(4,LOW);}
    if(value < 400 ) {digitalWrite(5,HIGH);} else {digitalWrite(5,LOW);}
    if(value < 400 ) {digitalWrite(6,HIGH);} else {digitalWrite(6,LOW);}
    if(value < 400 ) {digitalWrite(7,HIGH);} else {digitalWrite(7,LOW);}
    if(value < 400 ) {digitalWrite(8,HIGH);} else {digitalWrite(8,LOW);}
    if(value < 400 ) {digitalWrite(9,HIGH);} else {digitalWrite(9,LOW);}
    if(value < 400 ) {digitalWrite(10,HIGH);} else {digitalWrite(10,LOW);}
    if(value < 400 ) {digitalWrite(11,HIGH);} else {digitalWrite(11,LOW);}
    if(value < 400 ) {digitalWrite(12,HIGH);} else {digitalWrite(12,LOW);}
    
    delay(30);
    Serial.println("chedo3");
     Serial.println(value);

    
if(digitalRead(nut1)==0)
{while(digitalRead(nut1)==0);
loop();}
  }
  }