Arduino JSN-SR04T Test

#define ECHOPIN 6// Pin to receive echo pulse
#define TRIGPIN A0// Pin to send trigger pulse
#define ENPIN 5

void setup(){
  Serial.begin(57600);
  pinMode(ECHOPIN, INPUT_PULLUP);
  pinMode(TRIGPIN, OUTPUT);
  pinMode(ENPIN, OUTPUT);
}
void loop(){
  digitalWrite(ENPIN, HIGH);
  delay(250);
  digitalWrite(TRIGPIN, LOW); // Set the trigger pin to low for 2uS
  delayMicroseconds(2);
  digitalWrite(TRIGPIN, HIGH); // Send a 10uS high to trigger ranging
  delayMicroseconds(10);
  digitalWrite(TRIGPIN, LOW); // Send pin low again
  int distance = pulseIn(ECHOPIN, HIGH,26000); // Read in times pulse
  distance= distance/58L;
  Serial.print(distance);
  Serial.println("   cm");
    digitalWrite(ENPIN, LOW);

  delay(500);// Wait 50mS before next ranging
}