Proximity - HC-SR04

Basic ping Proximity example for any of the PING_PULSE_IN components (eg. HCSR04 or Parallax's Ultrasonic Ping). PingFirmata must be loaded onto Arduino-compatible boards to enable this component.

Breadboard for "Proximity - HC-SR04"

docs/breadboard/proximity-hcsr04.png

Fritzing diagram: docs/breadboard/proximity-hcsr04.fzz

Run with:

node eg/proximity-hcsr04.js

var five = require("johnny-five");
var board = new five.Board();

board.on("ready", function() {
  var proximity = new five.Proximity({
    controller: "HCSR04",
    pin: 7
  });

  proximity.on("data", function() {
    console.log(this.cm + "cm", this.in + "in");
  });

  proximity.on("change", function() {
    console.log("The obstruction has moved.");
  });
});

Proximity - HC-SR04

Breadboard for "Proximity - HC-SR04"

License