int valLuminosite=0; 
int valTemperature =1; 
float volt =0.0; 
float temperature =0.0; 

void setup() { 
  Serial.begin(9600); 
  Serial.print("Valeur capteur"); 
  Serial.print("; Tension en volt"); 
  Serial.println("; Temperature en °C"); 
  } 

void loop() { 
  valLuminosite = analogRead (A1); 
  Serial.println (valLuminosite); 
  valTemperature = analogRead(A0); 
  volt = (valTemperature/1023.0) *5.0; 

  temperature = (volt-0.5)+100; 
  
  Serial.print (valLuminosite); 
  Serial.print("; "); 
  Serial.print(valTemperature); 
  Serial.print(":"); 
  Serial.print(volt, 2); 
  Serial.print(":"); 
  Serial.println (temperature);
  delay (500);
}