Week 7 - Journal

the whole implementation process was in the code, So

I started the code with the ultrasonic defination , Which I searched about it:

long readUltrasonicDistance(int triggerPin, int echoPin)

{

pinMode(triggerPin, OUTPUT); // Clear the trigger

digitalWrite(triggerPin, LOW);

delayMicroseconds(2);

// Sets the trigger pin to HIGH state for 10 microseconds

digitalWrite(triggerPin, HIGH);

delayMicroseconds(10);

digitalWrite(triggerPin, LOW);

pinMode(echoPin, INPUT);

// Reads the echo pin, and returns the sound wave travel time in microseconds

return pulseIn(echoPin, HIGH);

}

Then I defined the inputs and the outputs :

pinMode(7, OUTPUT);

pinMode(6, INPUT);

pinMode(2, INPUT_PULLUP);

pinMode(11, OUTPUT);

pinMode(10, OUTPUT);

pinMode(9, OUTPUT);

pinMode(3, OUTPUT);

The last paragraph was about the conditions I wrote based on distances I need:

if (0.01723 * readUltrasonicDistance(7, 6) > 50 && digitalRead(2) < HIGH) {

digitalWrite(11, HIGH);

digitalWrite(10, LOW);

digitalWrite(9, LOW);

noTone(3);

} else {

if (0.01723 * readUltrasonicDistance(7, 6) < 50 && (0.01723 * readUltrasonicDistance(7, 6) > 30 && digitalRead(2) < HIGH)) {

digitalWrite(10, HIGH);

digitalWrite(11, LOW);

digitalWrite(9, LOW);

noTone(3);

} else {

if (0.01723 * readUltrasonicDistance(7, 6) < 30 && (0.01723 * readUltrasonicDistance(7, 6) > 5 && digitalRead(2) < HIGH)) {

digitalWrite(10, LOW);

digitalWrite(11, LOW);

digitalWrite(9, HIGH);

noTone(3);

} else {

if (0.01723 * readUltrasonicDistance(7, 6) < 5 && (0.01723 * readUltrasonicDistance(7, 6) > 0 && digitalRead(2) < HIGH)) {

digitalWrite(10, LOW);

digitalWrite(11, LOW);

digitalWrite(9, LOW);

tone(3, 523, 1000); // play tone 60

}

}

}

}

delay(10);