wavetape.js
Measure distances using your mobile device's microphone and speaker
Installation
npm install wavetape --save
Usage
var Wavetape = require('wavetape'); var echolot = new Wavetape();echolot.start(function(distance) { console.log("The closest obstacle is now " + distance.toFixed(2) + " meters away"); echolot.stop();}); ## License MIT