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Read Temperature from GROVE analog Temperature Module.
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# GROVEシステムの温度センサモジュールから温度を読み込んでkonashi経由で表示 | |
- [GROVEシステムの温度センサモジュール](http://www.seeedstudio.com/wiki/Grove_-_Temperature_Sensor) から温度を読み込んで表示します. | |
[GROVE拡張ボード](http://yukaishop.base.ec/items/219896) のA0ポートに温度センサモジュールを接続して実行してください. | |
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.content { | |
margin: 10px; | |
} | |
#values { | |
display: none; | |
} |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta name="viewport" content="width=device-width, initial-scale=2, minimum-scale=1, maximum-scale=1, user-scalable=no"> | |
<!-- ratchet css --> | |
<link rel="stylesheet" href="http://jsrun.it/assets/h/F/P/P/hFPPa"> | |
</head> | |
<body> | |
<header class="bar-title"> | |
<h1 class="title">konashi.js: Read Temperature</h1> | |
</header> | |
<div class="content"> | |
<ul id="values" class="list inset"> | |
<li>Temperature: <span id="temperature"></span> ℃</li> | |
<li>Resistance: <span id="resistance"></span> Ω</li> | |
<li>a: <span id="a"></span> </li> | |
<li>data: <span id="data"></span> mV</li> | |
</ul> | |
</div> | |
<!-- for konashijs --> | |
<script src="http://konashi.ux-xu.com/kjs/konashi-bridge.min.js"></script> | |
<!-- for this sample --> | |
<!-- zepto --> | |
<script src="http://jsrun.it/assets/1/M/0/f/1M0fl"></script> | |
<!-- touch.js --> | |
<script src="http://jsrun.it/assets/g/s/1/M/gs1MI"></script> | |
<!-- ratchet.js --> | |
<script src="http://jsrun.it/assets/g/3/W/u/g3WuF"></script> | |
</body> | |
</html> |
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// forked from kotobuki's "Analog IO" http://jsdo.it/kotobuki/mCc7 | |
// forked from kotobuki's "Digital IO" http://jsdo.it/kotobuki/lbRn | |
// forked from monakaz's "LEDをコントロールしちゃおう☆" http://jsdo.it/monakaz/w1gz | |
$(function() { | |
var intervalId; | |
// 接続が完了したら以下の処理を行う | |
k.on("ready", function() { | |
// アナログIOの状態を表示 | |
$("#values").show(); | |
intervalId = window.setInterval(function() { | |
//k.grove.analogReadRequest(k.grove.A0); | |
k.analogReadRequest(k.AIO0); | |
}, 100); | |
}); | |
k.updateAnalogValueAio0(function(data) { | |
var a, B, R1, resistance, temperature; | |
a = data; | |
B = 3975; // サーミスタのB係数はGroveのWikiにあるArduino用のサンプルプログラムより | |
// resistance = 10000; テスト用 | |
R1 = 9880; // Grove Temperatureモジュール上のR1(実測値) | |
// resistance = R1 * a / (1300 - a) ; // Konashiアナログ入力の基準電圧 1.3V とR1 より,サーミスタの抵抗値を計算. | |
// でもArduinoではアナログ入力は基準電圧に対する相対値だけど,Konashiでは絶対値であるし,Grove拡張ボードないでアナログ入力からさらに抵抗をかませてあるので,念のため計算してみた | |
var Vcc, Vport, R3, R4, R34; | |
Vcc = 3000 ; // Grove拡張ボードのアナログ端子のVccは3V | |
Vport = a; | |
R3 = 5100; // Grove拡張ボードでA00入力とKonashi CN15の2番ピンの間にある抵抗 | |
R4 = 3900; // Grove拡張ボードでKonashi CN15の2番ピンからGNDの間にある抵抗 | |
R34 = R3+R4; // 式を簡単にするため | |
resistance = ( Vcc - Vport - Vport*R3/R34) / (Vport*R3/(R1*R34) + Vport/R1 + Vport/R34); | |
temperature = 1 / (Math.log(resistance / 10000) / B + 1 / 298.15) - 273.15; // サーミスタの抵抗値から温度へ変換(GroveのWikiにあるArduino用のサンプルプログラムより) | |
$("#data").html(data); | |
$("#a").html(a); | |
$("#resistance").html(resistance); | |
$("#temperature").html(temperature); | |
}); | |
// konashiボードの検索を開始 | |
k.find(); | |
}); |
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(to name gist) |
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