Codigo:
int sensor=A0;
int ledv=13;
int leda=12;
int ledr=11;
int valor;
float voltaje;
float temp;
void setup()
{
Serial.begin(9600);
pinMode(ledv,OUTPUT);
pinMode(leda,OUTPUT);
pinMode(ledr,OUTPUT);
}
void loop()
{
valor = analogRead(sensor);
temp=(((valor) * (5.0/1024))-0.5)/0.01;
Serial.print(temp);
delay(3000);
if(temp<10){
digitalWrite(ledv,HIGH);
delay(3000);
}else{
digitalWrite(ledv,LOW);
}
if(temp>9 && temp<20){
digitalWrite(leda,HIGH);
delay(3000);
}else{
digitalWrite(leda,LOW);
}
if(temp>20){
digitalWrite(ledr,HIGH);
delay(3000);
}else{
digitalWrite(ledr,LOW);
}
}
