how to convert small voltage value

Projects Programming
1

hello my friends
I want to know how to convert small voltage value under arduino
someone can give me a sample program
thank you in advance

2

Can you make the question more clear?

3

I want to know how to convert small voltage value under arduino

Convert it to what?

4

convert data to voltage
in the case of small values

5

my program
it does not give good results for small value

float mesure1=0;
float tension1=0;
void setup()
{

analogReference(INTERNAL); //
Serial.begin(9600); //

}
void loop() //fonction principale
{

mesure1 = analogRead(A2);
tension1=mesure1*1.1/1024;

Serial.println("tension ");
Serial.print (tension1,6);Serial.print("\n"); //Envoi de la tension au PC par la liaison série pour affichage dans la console
delay(5000);

}

6

it does not give good results for small value

How do you know?

It looks to me like you need to boost the voltage of the input signal.

7

thank you
my circuit generating signals with low values
and I want to recover these signals with their real valued

8

houssamucd:
thank you
my circuit generating signals with low values
and I want to recover these signals with their real valued

You can't without an amplifier.

9

thank you my friends