#include <ultrasonic.h>
#include <SevSeg.h>

int pins= {27,26,12,13,14,23,22};
const int triggerPin = 4;
const int echoPin = 2;

void setup() {
Serial.begin(9600);
pinMode(triggerPin, OUTPUT);
pinMode(echoPin, INPUT);
}

void loop() {
  digitalWrite(triggerPin, LOW);
  delayMicroseconds(2);
  digitalWrite(triggerPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(triggerPin, LOW);

  // Measure the time it takes for the pulse to return
  long duration = pulseIn(echoPin, HIGH);

  // Convert the time to distance (cm)
  float distance = duration * 0.034 / 2;

  // Display the distance on the 7-segment display if it's less than 10cm
  if (distance < 10) {
    sevseg.setNumber(distance, 1);
    sevseg.refreshDisplay();
  }

  // Wait for a short delay before taking the next measurement
  delay(100);
}