PC based Temperature Indicator using Arduino

Temperature Indicator or Temperature Monitoring system is very useful in industries. This is a very simple project to understand the basics of Arduino. Over here we are using LM35 temperature sensor and reading the temperature using the analog pin A1 of Arduino Uno and then sends serially to PC.

The arduino gets the temperature from Sensor and displays on PC after every 1 second in Degree Centigrade as well as in Degree Fahrenheit.

Components Used

• Arduino Uno 
• LM35 Temperature Sensor

Circuit Diagram 

Circuit Diagram

Implementation

Implemented Circuit

Circuit Output on PC

Code

You can Download the complete Code over Here

 /*  
 PC based Temperature Indicator  
 Tested By Amol Shah from DNA Technology : http://www.dnatechindia.com/  
 For https://makeelectronicprojects.blogspot.in  
 */  
 int val;  
 int tempPin = 1;  
 void setup()  
 {  
  Serial.begin(9600);  
  Serial.println("PC based Temperature Indicator");  
  Serial.println("Tested By Amol Shah from DNA Technology : http://www.dnatechindia.com/");  
  Serial.println("For https://makeelectronicprojects.blogspot.in");  
 }  
 void loop()  
 {  
  val = analogRead(tempPin);  
  float mv = ( val/1024.0)*5000;   
  float cel = mv/10;  
  float farh = (cel*9)/5 + 32;  
  Serial.print("TEMPRATURE = ");  
  Serial.print(cel);  
  Serial.print("*C");  
  Serial.println();  
  Serial.print("TEMPRATURE = ");  
  Serial.print(farh);  
  Serial.print("*F");  
  Serial.println();  
  delay(1000);  
 }