Created
March 2, 2017 23:33
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thingy
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| https://www.sparkfun.com/products/8688 | |
| http://bildr.org/2011/06/temt6000_arduino/ | |
| http://playground.arduino.cc/Interfacing/LinuxTTY | |
| http://websocketd.com/ | |
| http://smoothiecharts.org/ | |
| -- sensor | |
| : sig -> a0 | |
| : vcc | |
| : gnd | |
| -- code | |
| int pin = 0; | |
| void setup() { | |
| Serial.begin(9600); | |
| } | |
| void loop() { | |
| int value = analogRead(pin); | |
| Serial.println(value); | |
| delay(20); | |
| } | |
| -- bash | |
| cat /dev/cu.usbmodem1411 | |
| websocketd --port=1234 --staticdir=. -- cat /dev/cu.usbmodem1411 | |
| --- | |
| <!DOCTYPE html> | |
| <script src="http://www.smoothiecharts.org/smoothie.js"></script> | |
| <style> | |
| body { | |
| background-color: #000; | |
| color: #ccc; | |
| font-family: sans-serif; | |
| margin: 20px; | |
| } | |
| </style> | |
| <h1>It's a chart!</h1> | |
| <canvas id="chart" width="800" height="200"></canvas> | |
| <script> | |
| let chart = new SmoothieChart() | |
| chart.streamTo(document.getElementById('chart'), 0) | |
| let series = new TimeSeries() | |
| chart.addTimeSeries(series, { strokeStyle: 'rgba(0, 255, 0, 1)', fillStyle: 'rgba(0, 255, 0, 0.2)', lineWidth: 4 }) | |
| let ws = new WebSocket('ws://localhost:1234/') | |
| ws.onopen = () => console.log('connect') | |
| ws.onclose = () => console.log('close') | |
| ws.onmessage = ({data}) => series.append(Date.now(), parseInt(data)) | |
| </script> | |
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