Qian.zhang: /* Specification */

2015-03-17T01:45:41Z

‎Specification

Qian.zhang: Created page with "== Introduction == Ultrasonic sensor is non-contact distance measurement module, which is also compatible with electronic brick. It’s designed for easy modular project usag..."

2015-03-17T01:37:03Z

Created page with "== Introduction == Ultrasonic sensor is non-contact distance measurement module, which is also compatible with electronic brick. It’s designed for easy modular project usag..."

New page

== Introduction ==

Ultrasonic sensor is non-contact distance measurement module, which is also compatible with electronic brick. It’s designed for easy modular project usage with industrial performance.

[[File:Ultrasonic_B_1.jpg]]

[[File:Ultrasonic_B_2.jpg]]

== Features ==

*Detecting range: 3cm-4m
*Best in 30 degree angle
*Electronic brick compatible interface
*5VDC power supply
*Breadboard friendly
*Dual transducer
*Arduino library ready

== Specification ==

{|class="wikitable" border="1"
|-
| style="width:200px" |Supply voltage
| style="width:200px" |5V
|-
| Global Current Consumption
| 15 mA
|-
| Ultrasonic Frequency
| 40k Hz
|-
| Maximal Range
| 400 cm
|-
| Minimal Range
| 3 cm
|-
| Resolution
| 1 cm
|-
| Trigger Pulse Width
| 10 μs
|-
| Outline Dimension
| 43x20x15 mm
|}

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	\| 43x20x15 mm		\| 43x20x15 mm
	\|}		\|}
		+
		+	== Usage ==
		+
		+	===Ultra Sonic Timing Diagram===
		+
		+	[[File:Ultra_Timing.jpg]]
		+
		+	===Programming===
		+
		+	<syntaxhighlight lang="c">
		+	const int pingPin = 7;
		+	const int start_signal = 8;
		+	void setup()
		+	{
		+	Serial.begin(9600);
		+	}
		+	void loop()
		+	{
		+	long duration, inches, cm;
		+	pinMode(pingPin, OUTPUT);
		+	pinMode(start_signal, OUTPUT);
		+	digitalWrite(start_signal, HIGH);
		+	delayMicroseconds(20);
		+	digitalWrite(start_signal, LOW);
		+	digitalWrite(pingPin, LOW);
		+	delayMicroseconds(2);
		+	digitalWrite(pingPin, HIGH);
		+	delayMicroseconds(5);
		+	digitalWrite(pingPin, LOW);
		+	pinMode(pingPin, INPUT);
		+	duration = pulseIn(pingPin, HIGH);
		+	inches = microsecondsToInches(duration);
		+	cm = microsecondsToCentimeters(duration);
		+	Serial.print(inches);
		+	Serial.print("in, ");
		+	Serial.print(cm);
		+	Serial.print("cm");
		+	Serial.println();
		+	delay(80);
		+	}
		+	long microsecondsToInches(long microseconds)
		+	{
		+	return microseconds / 74 / 2;
		+	}
		+	long microsecondsToCentimeters(long microseconds)
		+	{
		+	return microseconds / 29 / 2;
		+	}
		+	</syntaxhighlight>
		+
		+	== How to buy ==
		+
		+	Here to buy Ultrasonic Sensor Breakout SRF04 on [http://store.linksprite.com/ultrasonic-sensor-breakout-srf04/ store]

Ultrasonic Sensor Breakout SRF04 - Revision history

Qian.zhang: /* Specification */

Qian.zhang: Created page with "== Introduction == Ultrasonic sensor is non-contact distance measurement module, which is also compatible with electronic brick. It’s designed for easy modular project usag..."