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BME280 Barometric Pressure, Temperature, Humidity sensor
Jake Hartnell edited this page Nov 9, 2016
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4 revisions
// Require the Grow.js build and johnny-five library.
var GrowInstance = require('Grow.js');
var five = require('johnny-five');
var ascii = require('ascii-codes');
// Create a new board object
var board = new five.Board();
// When board emits a 'ready' event run this start function.
board.on('ready', function start() {
// Create a new grow instance.
var grow = new GrowInstance({
uuid: 'PASTE_UUID_HERE',
token: 'PASTE_TOKEN_HERE',
properties: {
name: {
type: String,
value:'BME280'
}
},
start: function () {
var multi = new five.Multi({
controller: "BME280"
});
setInterval(function() {
grow.call('temp_data');
grow.call('barometric_data');
grow.call('humidity_data')
}, 2000);
},
temp_data: function () {
// Send value to Grow-IoT
grow.emit({
type: 'temperature',
value: multi.temperature.celsius
});
},
barometric_data: function () {
// Send value to Grow-IoT
grow.log({
type: 'barometric',
value: multi.barometer.pressure
});
},
humidity_data: function () {
// Send value to Grow-IoT
grow.log({
type: 'humidity',
value: multi.hygrometer.relativeHumidity
});
}
});
});