Temperature sensor using Arduino Uno and LM 35

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ElectroBotics

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Published on March 3, 2021 5:08:37 PM ● Video Link: https://www.youtube.com/watch?v=M2Kg9-WuqgY

Category:

Tutorial

Duration: 7:27

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7

Let's interface Analog Temperature Sensor LM35 with Arduino Uno. We'll discuss how to setup hardware with circuit connection and then write Arduino code to read temperature sensor reading from LM35 in Degree Centigrade. This video also demonstrate, how to convert ADC counts into degree centigrade with LM35 Sensor. This channel has a lot more videos like this one and other electronic experiments feel free to check them and also don't forget to like, share and subscribe .... thanks :)

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Formula for Temperature Conversion (In Degree Centigrade):

temp = analogRead(A0);

float temp = ( temp/1024.0)*5000;

float temp = temp/10;

Code:

int val;
int tempPin = 1;

void setup()
{
Serial.begin(9600);
}
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();
delay(1000);

Serial.print("TEMPRATURE = ");
Serial.print(farh);
Serial.print("*F");
Serial.println();
}