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Streaming Sensor Readings to a Realtime Gauge Chart
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var five = require("johnny-five"); | |
var board = new five.Board(); | |
var pubnub = new PubNub({ | |
subscribeKey: "mySubscribeKey", | |
publishKey: "myPublishKey", | |
ssl: true | |
}) |
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board.on("ready", function() { | |
var sensor = new five.Sensor({ | |
pin: "A0", | |
freq: 1000 | |
}); | |
}); |
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sensor.scale([0, 10]).on("data", function() { | |
reading = this.value.toFixed(2); | |
console.log(reading); | |
var publishConfig = { | |
channel : "pubnub-eon-iot", | |
message : {such: 'object'} | |
} | |
pubnub.publish(publishConfig, function(status, response) { | |
console.log(status, response); | |
}) |
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var five = require("johnny-five"); | |
var board = new five.Board(); | |
var pubnub = new PubNub({ | |
subscribeKey: "mySubscribeKey", | |
publishKey: "myPublishKey", | |
ssl: true | |
}) | |
var reading, message; | |
board.on("ready", function() { | |
var sensor = new five.Sensor({ | |
pin: "A0", | |
freq: 1000 | |
}); | |
sensor.scale([0, 10]).on("data", function() { | |
reading = this.value.toFixed(2); | |
console.log(reading); | |
var publishConfig = { | |
channel : "pubnub-eon-iot", | |
message : {columns:[['data', reading]]} | |
} | |
pubnub.publish(publishConfig, function(status, response) { | |
console.log(status, response); | |
}) | |
}); | |
}); |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<title></title> | |
<script type="text/javascript" src="http://pubnub.github.io/eon/lib/eon.js"></script> | |
<link type="text/css" rel="stylesheet" href="http://pubnub.github.io/eon/lib/eon.css" /> | |
</head> | |
<body> | |
<div id="gauge"></div> | |
</body> | |
<script> | |
eon.chart({ | |
channel: "pubnub-eon-iot", | |
generate: { | |
bindto: '#gauge', | |
data: { | |
type: 'gauge' | |
}, | |
gauge: { | |
min: 0, | |
max: 10 | |
}, | |
color: { | |
pattern: ['#FF0000', '#F6C600', '#60B044'], | |
threshold: { | |
values: [3, 6, 9] | |
} | |
} | |
} | |
}); | |
</script> | |
</html> |
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<script type="text/javascript" src="//pubnub.github.io/eon/v/eon/1.0.0/eon.js"></script> | |
<link type="text/css" rel="stylesheet" href="//pubnub.github.io/eon/v/eon/1.0.0/eon.css"/> |
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