Arduino: Ping dengan hc sr04 - Revision history

Onnowpurbo: /* Code */

2022-03-21T08:47:53Z

Code

Onnowpurbo at 06:21, 5 January 2016

2016-01-05T06:21:34Z

Onnowpurbo at 05:59, 5 January 2016

2016-01-05T05:59:24Z

Onnowpurbo: New page: Sumber: http://www.instructables.com/id/Easy-ultrasonic-4-pin-sensor-monitoring-hc-sr04/ ==Code== int vcc = 2; //attach pin 2 to vcc int trig = 3; // attach pin 3 to Trig int echo...

2016-01-05T05:58:05Z

New page: Sumber: http://www.instructables.com/id/Easy-ultrasonic-4-pin-sensor-monitoring-hc-sr04/ ==Code== int vcc = 2; //attach pin 2 to vcc int trig = 3; // attach pin 3 to Trig int echo...

New page

Sumber: http://www.instructables.com/id/Easy-ultrasonic-4-pin-sensor-monitoring-hc-sr04/

==Code==

int vcc = 2; //attach pin 2 to vcc
int trig = 3; // attach pin 3 to Trig
int echo = 4; //attach pin 4 to Echo
int gnd = 5; //attach pin 5 to GND

void setup() {

pinMode (vcc,OUTPUT);
pinMode (gnd,OUTPUT);
// initialize serial communication:
Serial.begin(9600);
}

void loop()
{
digitalWrite(vcc, HIGH);
// establish variables for duration of the ping,
// and the distance result in inches and centimeters:
long duration, inches, cm;

// The PING))) is triggered by a HIGH pulse of 2 or more microseconds.
// Give a short LOW pulse beforehand to ensure a clean HIGH pulse:
pinMode(trig, OUTPUT);
digitalWrite(trig, LOW);
delayMicroseconds(2);
digitalWrite(trig, HIGH);
delayMicroseconds(5);
digitalWrite(trig, LOW);

// The same pin is used to read the signal from the PING))): a HIGH
// pulse whose duration is the time (in microseconds) from the sending
// of the ping to the reception of its echo off of an object.
pinMode(echo,INPUT);
duration = pulseIn(echo, HIGH);

// convert the time into a distance
inches = microsecondsToInches(duration);
cm = microsecondsToCentimeters(duration);

Serial.print(inches);
Serial.print("in, ");
Serial.print(cm);
Serial.print("cm");
Serial.println();

delay(100);
}

long microsecondsToInches(long microseconds)
{
// According to Parallax's datasheet for the PING))), there are
// 73.746 microseconds per inch (i.e. sound travels at 1130 feet per
// second). This gives the distance travelled by the ping, outbound
// and return, so we divide by 2 to get the distance of the obstacle.
// See: http://www.parallax.com/dl/docs/prod/acc/28015-PI...
return microseconds / 74 / 2;
}

long microsecondsToCentimeters(long microseconds)
{
// The speed of sound is 340 m/s or 29 microseconds per centimeter.
// The ping travels out and back, so to find the distance of the
// object we take half of the distance travelled.
return microseconds / 29 / 2;
}

==Referensi==

* http://www.instructables.com/id/Easy-ultrasonic-4-pin-sensor-monitoring-hc-sr04/

← Older revision		Revision as of 06:21, 5 January 2016
Line 77:		Line 77:
	return microseconds / 29 / 2;		return microseconds / 29 / 2;
	}		}
		+
		+
		+	==Monitor==
		+
		+	Hasil monitor akan keluar, seperti,
		+
		+
		+	1838in, 4691cm
		+	3in, 9cm
		+	4in, 12cm
		+	4in, 12cm
		+	1842in, 4701cm
		+	3in, 8cm
		+	1818in, 4639cm
		+	3in, 8cm
		+	1823in, 4654cm
		+	3in, 9cm
		+	1832in, 4675cm
		+
		+

← Older revision		Revision as of 05:59, 5 January 2016
Line 1:		Line 1:
	Sumber: http://www.instructables.com/id/Easy-ultrasonic-4-pin-sensor-monitoring-hc-sr04/		Sumber: http://www.instructables.com/id/Easy-ultrasonic-4-pin-sensor-monitoring-hc-sr04/

		+
		+
		+	==Diagram==
		+
		+	[[Image:Ultrasound-hc-sr04-01.jpg\|center\|200px\|thumb]]

@@ Line 12: / Line 12: @@
 ==Code==
-  int vcc = 2; //attach pin 2 to vcc
+  int vcc  = 2; //attach pin 2 to vcc
   int trig = 3; // attach pin 3 to Trig
   int echo = 4; //attach pin 4 to Echo
-  int gnd = 5; //attach pin 5 to GND
+  int gnd  = 5; //attach pin 5 to GND
   void setup() {
+     pinMode (vcc,OUTPUT);
- pinMode (vcc,OUTPUT);
+     pinMode (gnd,OUTPUT);
- pinMode (gnd,OUTPUT);
+     // initialize serial communication:
- // initialize serial communication:
+     Serial.begin(9600);
+  }
-  void loop()
+  void loop() {
+     digitalWrite(vcc, HIGH);
- digitalWrite(vcc, HIGH);
+     // establish variables for duration of the ping,
- // establish variables for duration of the ping,
+     // and the distance result in inches and centimeters:
- // and the distance result in inches and centimeters:
+     long duration, inches, cm;
- long duration, inches, cm;
+     // The PING))) is triggered by a HIGH pulse of 2 or more microseconds.
- // The PING))) is triggered by a HIGH pulse of 2 or more microseconds.
+     // Give a short LOW pulse beforehand to ensure a clean HIGH pulse:
- // Give a short LOW pulse beforehand to ensure a clean HIGH pulse:
+     pinMode(trig, OUTPUT);
- pinMode(trig, OUTPUT);
+     digitalWrite(trig, LOW);
- digitalWrite(trig, LOW);
+     delayMicroseconds(2);
- delayMicroseconds(2);
+     digitalWrite(trig, HIGH);
- digitalWrite(trig, HIGH);
+     delayMicroseconds(5);
- delayMicroseconds(5);
+     digitalWrite(trig, LOW);
- digitalWrite(trig, LOW);
+     // The same pin is used to read the signal from the PING))): a HIGH
- // The same pin is used to read the signal from the PING))): a HIGH
+     // pulse whose duration is the time (in microseconds) from the sending
- // pulse whose duration is the time (in microseconds) from the sending
+     // of the ping to the reception of its echo off of an object.
- // of the ping to the reception of its echo off of an object.
+     pinMode(echo,INPUT);
- pinMode(echo,INPUT);
+     duration = pulseIn(echo, HIGH);
- duration = pulseIn(echo, HIGH);
+     // convert the time into a distance
- // convert the time into a distance
+     inches = microsecondsToInches(duration);
- inches = microsecondsToInches(duration);
+     cm     = microsecondsToCentimeters(duration);
- delay(100);
+     Serial.print(inches);
+  }
   long microsecondsToInches(long microseconds)
+  {
- // According to Parallax's datasheet for the PING))), there are
+     // According to Parallax's datasheet for the PING))), there are
- // 73.746 microseconds per inch (i.e. sound travels at 1130 feet per
+     // 73.746 microseconds per inch (i.e. sound travels at 1130 feet per
- // second). This gives the distance travelled by the ping, outbound
+     // second). This gives the distance travelled by the ping, outbound
- // and return, so we divide by 2 to get the distance of the obstacle.
+     // and return, so we divide by 2 to get the distance of the obstacle.
- // See: http://www.parallax.com/dl/docs/prod/acc/28015-PI...
+     // See: http://www.parallax.com/dl/docs/prod/acc/28015-PI...
- return microseconds / 74 / 2;
+     return microseconds / 74 / 2;
+  }
   long microsecondsToCentimeters(long microseconds)
+  {
- // The speed of sound is 340 m/s or 29 microseconds per centimeter.
+     // The speed of sound is 340 m/s or 29 microseconds per centimeter.
- // The ping travels out and back, so to find the distance of the
+     // The ping travels out and back, so to find the distance of the
- // object we take half of the distance travelled.
+     // object we take half of the distance travelled.
- return microseconds / 29 / 2;
+     return microseconds / 29 / 2;
-−
+  }
 ==Monitor==