old_notWorking_test_recieve_using_ultrasonic_sensor.ino

#define pIn 8

int cumulative_time = 0;

int MAX_DURATION = 500 * 1000;
byte timeD[5000];

String signalR = "";
void setup() {
  pinMode(pIn, INPUT);
  Serial.begin(9600);
}

void loop() {
  long beginning_time = micros() / 1000;
  for ( int i = 0; cumulative_time < MAX_DURATION; i++) {
    int time_delta = micros() / 1000 - beginning_time;
    timeD[i] = (time_delta);
    signalR += digitalRead(pIn);
    cumulative_time = time_delta;
  }

  for(int i=0;i<signalR.length();i++){
        Serial.println(timeD[i],signalR[i]);
        
  }
}