LM35 Temparature Sensor With Arduino

LM35 Temparature Sensor With Arduino :

Its quite an easy project...Lets Start It...





Just connect the LM35 sensor to the arduino and run the code below...

CODE :
//TMP36 Pin Variables
int sensorPin = 0; //the analog pin the TMP36's Vout (sense) pin is connected to //the resolution is 10 mV / degree centigrade with a //500 mV offset to allow for negative temperatures /* *
setup() - this function runs once when you turn your Arduino on * We initialize the serial connection with the computer */
void setup()
{
Serial.begin(9600);
}
void loop()
{
int reading = analogRead(sensorPin); // converting that reading to voltage, for 3.3v arduino use 3.3
float voltage = reading * 5.0;
voltage /= 1024.0; // print out the voltage
Serial.print(voltage);
Serial.println(" volts"); // now print out the temperature
float temperatureC = (voltage - 0.5) * 100 ;
Serial.print(temperatureC);
Serial.println(" degrees C"); // now convert to Fahrenheit
float temperatureF = (temperatureC * 9.0 / 5.0) + 32.0;
Serial.print(temperatureF);
Serial.println(" degrees F");
delay(1000); //waiting a second
}

temp.ino


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