ULTRASONIC SENSOR — ESP32 simulation

An interactive ESP32 circuit simulation you can run free in your browser on Velxio, by vishwesvaran52.

Components

Sketch code

int trig=18;
int echo=5 ;
long duration;
int distance;
void setup(){
    pinMode(trig, OUTPUT);
    pinMode(echo, INPUT);
    Serial.begin(9600);
}
void loop(){
    digitalWrite(trig, LOW);
    delay(2000);
    digitalWrite(trig, HIGH);
    delay(2000);
    digitalWrite(trig, LOW);
    duration=pulseIn(echo, HIGH);
    distance=0.034*duration/2;
    Serial.print("distance:");
    Serial.print(distance);
    Serial.println("cm");
    delay((1000));
}

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