Here is a program that just use a single caracter :
int valeurLue;
float tension;
char bitlu;
void setup() {
Serial.begin(9600);
Serial.println("attente");
}
void loop() {
//initialize
valeurLue = analogRead(3);
tension = valeurLue * 4.88;
if (tension > 2500) {
bitlu = '1';
}
else {
bitlu = '0';
}
//while loop
while (bitlu != '1') {
delay(1000);
valeurLue = analogRead(3);
tension = valeurLue * 4.88;
Serial.println(tension);
if (tension > 2500) {
bitlu = '1';
}
else {
bitlu = '0';
}
Serial.println(bitlu);
}
Serial.println("fin du test");
delay(5000);
}