Un petit bout de code pour utiliser le module à ultrasons compatible Arduino.
const int TrigPin = 2; const int EchoPin = 3; float cm; void setup() { Serial.begin(9600); pinMode(TrigPin, OUTPUT); pinMode(EchoPin, INPUT); } void loop() { digitalWrite(TrigPin, LOW); //Low-high-low level sent a short time pulse to TrigPin delayMicroseconds(2); digitalWrite(TrigPin, HIGH); delayMicroseconds(10); digitalWrite(TrigPin, LOW); cm = pulseIn(EchoPin, HIGH) / 58.0; //Echo time converted into cm cm = (int(cm * 100.0)) / 100.0; // retain two decimal places Serial.print(cm); Serial.print("cm"); Serial.println(); delay(1000); }