Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
4 contributors

Users who have contributed to this file

@rwaldron @frxnz @dtex @BrianGenisio
72 lines (37 sloc) 1.36 KB

Proximity - HC-SR04

'Ultrasonic 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 this example from the command line with:

node eg/proximity-hcsr04.js
const { Board, Proximity } = require("johnny-five");
const board = new Board();

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

  proximity.on("change", () => {
    const {centimeters, inches} = proximity;
    console.log("Proximity: ");
    console.log("  cm  : ", centimeters);
    console.log("  in  : ", inches);
    console.log("-----------------");
  });
});

 

License

Copyright (c) 2012-2014 Rick Waldron waldron.rick@gmail.com Licensed under the MIT license. Copyright (c) 2015-2019 The Johnny-Five Contributors Licensed under the MIT license.

You can’t perform that action at this time.