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"
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.");
});
});
License
Copyright (c) 2012, 2013, 2014 Rick Waldron waldron.rick@gmail.com Licensed under the MIT license. Copyright (c) 2014, 2015 The Johnny-Five Contributors Licensed under the MIT license.