Color Temp

One of the most important thing in any process is to have a stable temperature. For this reason I thought it was a nice idea to make a circuit that measures temperature and display it in a simple way that you can notice if it's hot or cold fast. For this I make a circuit to measure temperature and display it in a RGB led by turning on and off different colors.   

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this is the circuit.

Schematics

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How to program it

If you want to know how to program the circuit by ISP click here.

ISP Programming

The code

You can copy the code below or just download it from this link.

Download Code

int sensorPin=A3;
int reading;
float voltage;

float TempC;

int red=1;
int green=2;
int blue=0;

void setup() {

}


void loop() {

 //Read the sensor to get a sense voltage
 reading = analogRead(sensorPin);
 voltage = reading *5.0;
 voltage /= 1024.0;
 
 //Tranform millivolts to temperature
 TempC = (voltage -0.5)*100;


  if(TempC<10){
      digitalWrite(red, LOW);
      digitalWrite(green, LOW);
      digitalWrite(blue, HIGH);
  }
  else if(TempC<20 && TempC>10){
      digitalWrite(red, LOW);
      digitalWrite(green, HIGH);
      digitalWrite(blue, LOW);
  }
  else if(TempC<30 && TempC>20){
      digitalWrite(red, LOW);
      digitalWrite(green, HIGH);
      digitalWrite(blue, HIGH);
  }
  else if(TempC<40 && TempC>30){
      digitalWrite(red, LOW);
      digitalWrite(green, HIGH);
      digitalWrite(blue, HIGH);
  }
  else if(TempC<50 && TempC>40){
      digitalWrite(red, HIGH);
      digitalWrite(green, HIGH);
      digitalWrite(blue, LOW);
  }
  else if(TempC<60 && TempC>50){
      digitalWrite(red, HIGH);
      digitalWrite(green, LOW);
      digitalWrite(blue, HIGH);
  }
    else if(TempC<70 && TempC>60){
      digitalWrite(red, HIGH);
      digitalWrite(green, LOW);
      digitalWrite(blue, HIGH);
  }
    else if(TempC<80 && TempC>70){
      digitalWrite(red, HIGH);
      digitalWrite(green, LOW);
      digitalWrite(blue, LOW);
  }
    else if(TempC<90 && TempC>80){
      digitalWrite(red, HIGH);
      digitalWrite(green, LOW);
      digitalWrite(blue, LOW);
  }
      else if(TempC<100 && TempC>90){
      digitalWrite(red, HIGH);
      digitalWrite(green, HIGH);
      digitalWrite(blue, HIGH);
  }
  else if(TempC>100){
      digitalWrite(red, HIGH);
      digitalWrite(green, HIGH);
      digitalWrite(blue, HIGH);
  }

}

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