Description


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

Specification


- Working Voltage: 5V (DC)
- Static current: Less than 2mA.
- Output signal: Electric frequency signal high level 5V low level 0V
- Sensor angle: Not more than 15 degrees.
- Detection distance: 2cm-450cm.
- High precision: Up to 0.3cm
- Working tempter:-20C___+60C
- Weight: 10
- Size: 45x 21mm (L x W)

- /*
- * Ultrasonic Sensor HC-SR04
- *
- * by Dejan Nedelkovski
- * www.HowToMechatronics.com
- *
- */
-
- // defines pins numbers
- const int trigPin = 9;
- const int echoPin = 10;
-
- // defines variables
- long duration;
- int distance;
-
- void setup() {
- pinMode(trigPin OUTPUT); // Sets the trigPin as an Output
- pinMode(echoPin INPUT); // Sets the echoPin as an Input
- Serial.begin(9600); // Starts the serial communication
- }
-
- void loop() {
- // Clears the trigPin
- digitalWrite(trigPin LOW);
- delayMicroseconds(2);
-
- // Sets the trigPin on HIGH state for 10 micro seconds
- digitalWrite(trigPin HIGH);
- delayMicroseconds(10);
- digitalWrite(trigPin LOW);
-
- // Reads the echoPin returns the sound wave travel time in microseconds
- duration = pulseIn(echoPin HIGH);
-
- // Calculating the distance
- distance= duration*0.034/2;
-
- // Prints the distance on the Serial Monitor
- Serial.print(Distance: );
- Serial.println(distance);
- }