Gerenciador de Temperatura de ambientes críticos com alarme

#include <LiquidCrystal_I2C.h>
#include <OneWire.h>
#include <DallasTemperature.h>

OneWire pino(3);
DallasTemperature barramento(&pino);
DeviceAddress sensor;

const int RED = 10; 
const int GREEN = 9;
const int BLUE = 7; 
const int POTENC = A5;
const int BUZZER = 8;

const int pinoBotao = 11;

LiquidCrystal_I2C lcd(0x27,2,1,0,4,5,6,7,3, POSITIVE);

void rgb();

void setup() {
  lcd.begin(16,2);
  Serial.begin(9600);  
  pinMode(pinoBotao, INPUT_PULLUP);
  pinMode(RED, OUTPUT);
  pinMode(GREEN, OUTPUT);
  pinMode(BLUE, OUTPUT);
  pinMode(POTENC, INPUT);
  pinMode(BUZZER, OUTPUT);
  
  barramento.begin();
  barramento.getAddress(sensor, 0); 
}

  int val; 
  int val2;
  int Sen;

void loop() {
  val = map(analogRead(0), 0, 1023, 5, 15); 
  val2 = map(analogRead(2),0,1023,16,24); 
  Sen = map(analogRead(1), 0, 1023, 0, 29);

  delay(100);
  
  Serial.println(pinoBotao);
  rgb();
    
  delay(100);
  
}

int contador=0;


void rgb() {
  if(digitalRead(pinoBotao) != 0){

    contador ++;
    if(contador == 1){
      
    
    lcd.setCursor(0,0);
    lcd.print("Temp: ");
    lcd.print(Sen); 
    lcd.print(" C    ");
    lcd.print(val);
    lcd.println("  ");
  
    if((Sen < val && Sen > 4) || (Sen>val2 && Sen<24)) {
    
      digitalWrite(BLUE, HIGH);
      digitalWrite(RED, LOW);
      digitalWrite(GREEN, LOW);

      lcd.setCursor(0,1);
      lcd.print("WARNING       "); 
      lcd.print(val2);
      lcd.print("    ");
  
      digitalWrite(BUZZER, HIGH);
      delay(800);
      digitalWrite(BUZZER, LOW);
      delay(3000);
  
    }
  
    else if(Sen>= val && Sen < val2){
      digitalWrite(BLUE, LOW);
      digitalWrite(RED, LOW);
      digitalWrite(GREEN, HIGH);

      lcd.setCursor(0,1);
      lcd.print("ACEITAVEL     ");
      lcd.print(val2);
      lcd.print("   ");
      delay(1500);
    }
  
    else if(Sen <= 4 || Sen >= 25) {
    
      digitalWrite(BLUE, LOW);
      digitalWrite(RED, HIGH);
      digitalWrite(GREEN, LOW);

      lcd.setCursor(0,1);
      lcd.print("CRITICO       "); 
      lcd.print("  ");
      lcd.print(val2);
      lcd.print("  ");
    
      digitalWrite(BUZZER, HIGH);
      delay(800);
      digitalWrite(BUZZER, LOW);
      delay(800);
        }
      }
        if(digitalRead(pinoBotao) ==0){                                     

          while(1){
          barramento.requestTemperatures(); 
          float temperatura = barramento.getTempC(sensor);
          Serial.println(temperatura);
          delay(500);
          
          lcd.setCursor(0,0);
          lcd.print("Temp: ");
          lcd.print(temperatura); 
          lcd.print(" C    ");
          lcd.print(val);
          lcd.println("  ");
          
          if((temperatura < val && Sen > 4) || (temperatura>val2 && temperatura<24)) {
    
      digitalWrite(BLUE, HIGH);
      digitalWrite(RED, LOW);
      digitalWrite(GREEN, LOW);

      lcd.setCursor(0,1);
      lcd.print("WARNING       ");
      lcd.print(val2);
      lcd.print("    ");
  
      digitalWrite(BUZZER, HIGH);
      delay(800);
      digitalWrite(BUZZER, LOW);
      delay(3000);
  
    }
  
    else if(temperatura>= val && temperatura < val2){
      digitalWrite(BLUE, LOW);
      digitalWrite(RED, LOW);
      digitalWrite(GREEN, HIGH);
    

      lcd.setCursor(0,1);
      lcd.print("ACEITAVEL     ");
      lcd.print(val2);
      lcd.print("   ");
      delay(1500);
    }
  
    else if(temperatura <= 4 || temperatura >= 25) {
    
      digitalWrite(BLUE, LOW);
      digitalWrite(RED, HIGH);
      digitalWrite(GREEN, LOW);
    
    
      lcd.setCursor(0,1);
      lcd.print("CRITICO       "); 
      
      lcd.print(val2);
      lcd.print("  ");
    
      digitalWrite(BUZZER, HIGH);
      delay(800);
      digitalWrite(BUZZER, LOW);
      delay(800);
            }
          if(digitalRead(11) != 0){
            break;
          }
          }
        }
      contador = 0;
    }
  }