//Code to interface Android App with Arduino using Bluetooth Sensor
int trigPin = 9;
int echoPin = 10;
int led = 13;
void setup()
{
Serial.begin(9600);
pinMode(led, OUTPUT);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
}
void loop()
{
long duration, distance;
digitalWrite(trigPin, HIGH);
delayMicroseconds(1000);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = (duration / 2) / 29.1;
delay(10);
if ((distance <= 10))
{
Serial.print(1);
digitalWrite(13, HIGH);
delay(1000);
digitalWrite(13, LOW);
}
}
int trigPin = 9;
int echoPin = 10;
int led = 13;
void setup()
{
Serial.begin(9600);
pinMode(led, OUTPUT);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
}
void loop()
{
long duration, distance;
digitalWrite(trigPin, HIGH);
delayMicroseconds(1000);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = (duration / 2) / 29.1;
delay(10);
if ((distance <= 10))
{
Serial.print(1);
digitalWrite(13, HIGH);
delay(1000);
digitalWrite(13, LOW);
}
}
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