#define ledpin1 A0
#define ledpin2 A1
#define ledpin3 A2
#define ledpin4 A3
#define ledpin5 A4
#define ledpin6 A5
#define echopin 12
#define trigpin 13

void setup() {
  // put your setup code here, to run once:
  pinMode(ledpin1, OUTPUT);
  pinMode(ledpin2, OUTPUT);
  pinMode(ledpin3, OUTPUT);
  pinMode(ledpin4, OUTPUT);
  pinMode(ledpin5, OUTPUT);
  pinMode(ledpin6, OUTPUT);
  pinMode(echopin, INPUT);
  pinMode(trigpin, OUTPUT);
  Serial.begin(9600);
}

int duration = 0;
int distance = 0;

void loop() {
  // put your main code here, to run repeatedly:

  digitalWrite(trigpin, HIGH);
  delayMicroseconds(2);
  digitalWrite(trigpin, LOW);
  delayMicroseconds(10);
  digitalWrite(trigpin, HIGH);

  duration = pulseIn(echopin, HIGH);
  distance = duration / 58.2;
  
  
  

}