A script for the Raspberry Pi that turns on a Powerswitch when the user says "Lumos!"
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const record = require('node-record-lpcm16'); | |
const {Detector, Models} = require('./node_modules/snowboy/'); | |
const Gpio = require('onoff').Gpio; | |
// Set up control of the pin that toggles the Powerswitch | |
power = new Gpio(14, 'out'); | |
var on = false; | |
// Turn the power off by default | |
power.writeSync(0); | |
const models = new Models(); | |
// Add "Lumos!" hotword | |
models.add({ | |
file: 'Lumos.pmdl', | |
sensitivity: '0.5', | |
hotwords : 'lumos' | |
}); | |
// Add "Nox!" hotword | |
models.add({ | |
file: 'Nox.pmdl', | |
sensitivity: '0.5', | |
hotwords : 'nox' | |
}); | |
const detector = new Detector({ | |
resource: "./node_modules/snowboy/resources/common.res", | |
models: models, | |
audioGain: 2.0 | |
}); | |
detector.on('silence', function () { | |
}); | |
detector.on('sound', function () { | |
console.log('sound'); | |
}); | |
detector.on('error', function () { | |
console.log('error'); | |
}); | |
detector.on('hotword', function (index, hotword) { | |
console.log('hotword', index, hotword); | |
if(hotword == 'lumos') | |
// Turn on power to lights | |
power.writeSync(1); | |
else if(hotword == 'nox') | |
// Turn off power | |
power.writeSync(0); | |
}); | |
const mic = record.start({ | |
threshold: 0, | |
verbose: true | |
}); | |
mic.pipe(detector); |
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