Ultrasonic sensor Module HC-SR04

Descrierea produsului:

Tensiune: 5V
Tensiune HIGH: 5V
Tensiune LOW: 0V
Unghiul senzorului: 15 grade
DIstanta detectata: 2cm - 450cm
Precizie: 0.3cm

Exemplu de conectare:

Wiring:

Exemplu cod: 

/*
* Define the pins you want to use as trigger and echo.
*/

#define ECHOPIN 2 // Pin to receive echo pulse
#define TRIGPIN 3 // Pin to send trigger pulse

/*
* setup function
* Initialize the serial line (D0 & D1) at 115200.
* Then set the pin defined to receive echo in INPUT
* and the pin to trigger to OUTPUT.
*/

void setup()
{
Serial.begin(115200);
pinMode(ECHOPIN, INPUT);
pinMode(TRIGPIN, OUTPUT);
}

/*
* loop function.
*/

void loop()
{
// Start Ranging
digitalWrite(TRIGPIN, LOW);
delayMicroseconds(2);
digitalWrite(TRIGPIN, HIGH);
delayMicroseconds(10);
digitalWrite(TRIGPIN, LOW);
// Compute distance
float distance = pulseIn(ECHOPIN, HIGH);
distance= distance/58;
Serial.println(distance);
delay(200);
}

Continutul coletului:

1x Modul senzor Ultrasonic - detector distanta HC-SR04