ระบบเปิด-ปิดประตูอัตโนมัติด้วยเซ็นเซอร์
code
int const trigPin = 10;
int const echoPin = 9;
int const buzzPin = 2;
int const buzzPin1 = 4;
int const buzzPin2 = 7;
void setup()
{
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
pinMode(buzzPin, OUTPUT);
pinMode(buzzPin1, OUTPUT);
pinMode(buzzPin2, OUTPUT);
}
void loop()
{
int duration, distance;
digitalWrite(trigPin, HIGH);
delay(1);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = (duration/2) / 29.1;
if (distance <= 50 && distance >= 0) {
digitalWrite(buzzPin, HIGH);
digitalWrite(buzzPin1, HIGH);
digitalWrite(buzzPin2, LOW);
} else {
digitalWrite(buzzPin, LOW);
digitalWrite(buzzPin1, LOW);
digitalWrite(buzzPin2, HIGH);
}
delay(60);
}
code
int const trigPin = 10;
int const echoPin = 9;
int const buzzPin = 2;
int const buzzPin1 = 4;
int const buzzPin2 = 7;
void setup()
{
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
pinMode(buzzPin, OUTPUT);
pinMode(buzzPin1, OUTPUT);
pinMode(buzzPin2, OUTPUT);
}
void loop()
{
int duration, distance;
digitalWrite(trigPin, HIGH);
delay(1);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = (duration/2) / 29.1;
if (distance <= 50 && distance >= 0) {
digitalWrite(buzzPin, HIGH);
digitalWrite(buzzPin1, HIGH);
digitalWrite(buzzPin2, LOW);
} else {
digitalWrite(buzzPin, LOW);
digitalWrite(buzzPin1, LOW);
digitalWrite(buzzPin2, HIGH);
}
delay(60);
}
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