hidemaru が 2021年05月15日16時14分18秒 に編集
2.用語の修正
記事種類の変更
製作品
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## 概要 - 「いまどうしてるのかな?....、寝てたらTV消しちゃうよ!」をobnizを使って実現するものです。 - この入院患者(私の母がモデル=ぬいぐるみのひつじさん)は軽症で退屈の様子、TVを見ているか・寝ているかのどちらかみたい。なかなかお見舞にも行けず、でも心配なので、時々スマホで様子を見てます。ぐっすり寝ていたら、TVの電源をそっと切ってあげます(笑) - ほとんどの病院のTVは、カード式の料金徴収システムとなっているようです?。TVのON/OFFと連動しているので、OFFにすれば課金されずカードの度数が減りません。 - 病院へお見舞いいった時、エレベーターの中で耳にした会話「TVつけっぱなしで寝てるから、すぐにカード使い切っちゃうんだよね!」から、構想したものです。 ## 動作方法と回路図 ### 動作方法 - 今どうしてる?を知るために、JPEGシリアルカメラで撮影し、画像(静止画)を取込みます。 映像が出力されるまで、約20秒かかります。 プログラムの順序で、画像が出てから電源ボタンが有効になります。 - 画像を見て、TVをつけっぱなしで寝ているようだったら、TV電源ボタンを押します。IR-LEDから電源OFFの信号が出て、TVがOFFになります。 - もう一度スマホを起動して、ちゃんと寝ているか画像を確認します。 - 静止画ですが、だいたいの状況は判別できます。時間はかかりますが、何度か撮影すれば確実です。 - 注意! TVがOFFの時に電源ボタンを押せば、ONになりますよ。 #### <回路全体> ![全体](https://camo.elchika.com/c2040a053d4386c752c59381802dae8b1ea2d1b7/687474703a2f2f73746f726167652e676f6f676c65617069732e636f6d2f656c6368696b612f76312f757365722f65303533653863352d333238352d346132642d396630642d3033643130326466373537382f33376431343234382d653737612d346130352d623061632d653963653034633966363163/) ![回路拡大 黄色の線はNTSC信号(未使用)](https://camo.elchika.com/5f94c52e8f0cff091e0d932ba457aaf9c0a9a0b1/687474703a2f2f73746f726167652e676f6f676c65617069732e636f6d2f656c6368696b612f76312f757365722f65303533653863352d333238352d346132642d396630642d3033643130326466373537382f62353239393039312d396163352d343161312d623035332d623634376237376164386638/) #### <回路・配線図> ![obniz 1Y ](https://camo.elchika.com/57d00aee48e1d84ad2241d597c3f0680e559abb7/687474703a2f2f73746f726167652e676f6f676c65617069732e636f6d2f656c6368696b612f76312f757365722f65303533653863352d333238352d346132642d396630642d3033643130326466373537382f64323636393133322d613134632d346464382d393565662d313937643164396465363836/) - JPEGカメラは外部電源としたため、obnizの0番端子(Vcc)は結線していません。 ## 製作 1. JPEGカメラの動作テスト パーツライブラリーの「JpegSerialCam」の記事を参考にしました。 通信速度をうっかり変更してしまい、カメラが壊れたかと大慌てしました。 2. 赤外線信号の受信と送信 「遠隔エアコン操作!」の記事を参考に、赤外線ON/OFF信号を取込みました。 実験に使用したTVのシャープAQUOSは、電源信号が1種類のため、ON/OFFを交互に動作します。 取込んだIR信号をそのまま使っているため、冗長になっています。信号の取込みが終われば受信部のプロブラムは不要となるので、コメントアウトします。 3.丸ボタンのスタイル検討 リモコンの電源ボタンに似た丸いボタンを、以下のネット記事を参考にさせていただきました。 【CSSボタンデザイン120個以上!どこよりも詳しく作り方を解説!】 4. ブレットボードへ組立て カメラ及びIR送受信の機能確認を行った後、小さなブレッドボードに組立てました。 実際の使用にあたっては、キャラクターのぬいぐるみに内蔵させようと思っています。 ## 動作の様子 - デモはタブレット(P80X)で行っています。 - obniz ID部分は編集でCutしています。 @[youtube](https://www.youtube.com/watch?v=OG4RtXEJm58) ![画像1 TVはONなので、電源ボタンを押します](https://camo.elchika.com/5c144f43b337fc6da7b58a92c1f2e5347298a58d/687474703a2f2f73746f726167652e676f6f676c65617069732e636f6d2f656c6368696b612f76312f757365722f65303533653863352d333238352d346132642d396630642d3033643130326466373537382f39306439646561392d623964632d346663342d383937642d306336633032363634613662/) ![画像2 TVがOFFになりました。](https://camo.elchika.com/ad1933277fce392155b50f7d864e163b680b2473/687474703a2f2f73746f726167652e676f6f676c65617069732e636f6d2f656c6368696b612f76312f757365722f65303533653863352d333238352d346132642d396630642d3033643130326466373537382f66616133663937322d346634302d346533322d393333622d313166363063353938666330/) ## 部品 | 部 品 | 購入先 | |:---:|:---:| | obniz Board 1Y | obniz | | obniz1Y用ケース (ブラック) | BOOTH | | 小型TTLシリアルJPEGカメラ | 秋月 M-07746 | | 赤外線リモコン受信モジュール | 秋月 I-04659 | | 5mm IR-LED | 秋月 I-13204 | | 小型ブレッドボード | 秋月 P-05294 | | ブレッドボード用DCジャックDIP化キット | 秋月 K-05148 | | カメラの電源用ACアダプター 5V-1.2A | 秋月 M-03679 | | モバイルバッテリー 4000mAh DC5V-1A | ダイソー | | USB Cケーブル | ダイソー | | 電源表示用LED 3mm赤 | 手持ち | | 抵抗 10Ω(IR LED)、1.5KΩ(赤LED) | 手持ち | | ジャンパワイヤ類 | 手持ち | - 【 番外 今回は使用していませんが、赤外線モジュールもどきの製作 】 最近ようやく単体で入手可能となったobniz公認のモジュールですが、その写真を見て、手持ち部品で作ってみました。 機能はほぼ同じと思いますが、デザイン的には、トホホ...ですね。 - 両面スルーホールの基板を使用すれば良かったですね。 ![IR module-copy 拡大](https://camo.elchika.com/1f390f8a50a484175e0100b23cee8dde9c7da5de/687474703a2f2f73746f726167652e676f6f676c65617069732e636f6d2f656c6368696b612f76312f757365722f65303533653863352d333238352d346132642d396630642d3033643130326466373537382f62333036313434352d633532632d343339382d393936622d333638376239303038353238/) ## ソースコード ``` <!-- JPEG Cam いまどうしてるかな… 寝てたらTV消しちゃうよ! --> <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" /> <script src="https://code.jquery.com/jquery-3.2.1.min.js"></script> <script src="https://unpkg.com/obniz@3.x/obniz.js" crossorigin="anonymous" ></script> </head> <body> <div id="obniz-debug"></div> <p> <h1 id="temp">いまどうしてるかな...</h1> </p> <!-- <p> <button id="on" class="btn btn-primary btn-block">Turn ON</button> </p> <p> <button id="off" class="btn btn-primary btn-block">Turn OFF</button> </p> --> <p> <a button id="pb" href="#" class="btn-circle-3d">TV電源ボタン</a> </p> <!-- <p> <button id="test" class="btn btn-outline-primary">押してね!</button> </p> --> <p> <img id="image"> 寝ているかな? </p> <!-- TV電源ボタンのスタイル --> <style> .btn-circle-3d { display: inline-block; text-decoration: none; background: #ff0000; //#FFFF00; //#008000; //#ff8181; color: #ffffff; //#000; //#FFF; width: 120px; height: 120px; line-height: 120px; border-radius: 50%; text-align: center; font-weight: bold; overflow: hidden; box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.29); border-bottom: solid 3px #bd6565; transition: .4s; } .btn-circle-3d:active { -webkit-transform: translateY(2px); transform: translateY(2px); box-shadow: 0 0 1px rgba(0, 0, 0, 0.15); border-bottom: none; } </style> <script> //var obniz = new Obniz(" - "); var obniz = new Obniz("OBNIZ_ID_HERE"); obniz.onconnect = async function () { var cam = obniz.wired("JpegSerialCam", {vcc:0, cam_tx:1, cam_rx:2, gnd:3}); await cam.startWait({baud: 38400}); await cam.setSizeWait("640x480"); // while(true){ // ➀ 画像の取込み const jpegData = await cam.takeWait(); document.getElementById("image").src = "data:image/jpeg;base64," + cam.arrayToBase64(jpegData); // ➁ リモコン信号の取込み // sensor = obniz.wired('IRSensor', {vcc:4, gnd:5, output:6}); // sensor.start(function (arr) { // console.log('detected!!') // console.log(JSON.stringify(arr)); // }) // ➂ TV電源信号の送信 var infraredLed = obniz.wired('InfraredLED', {anode:10, cathode:11}); $("#pb").click(function(){ // your value for OFF here infraredLed.send([1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 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//var infraredLed = obniz.wired('InfraredLED', {anode:11, cathode:11}); //obnz.io10.output(false); //obniz.io11,output(false); }) } </script> </body> </html> ``` ## 最後に
- JPEGカメラのストリーミングも試してみたのですが、IR信号が繰返し送信される現象となり(TVがOFF/ON/OFF・・・)安定して電源OFFに出来ないため、1回の画像受信しか行っていません。プログラミングスキルの問題であり、学習して改善したいと思っています。
- JPEGカメラの連続撮影も試してみたのですが、IR信号が繰返し送信される現象となり(TVがOFF/ON/OFF・・・)安定して電源OFFに出来ないため、1回の画像受信しか行っていません。プログラミングスキルの問題であり、学習して改善したいと思っています。
- obnizの入出力端子にまだ余裕があります、さて何に使いますかね。 - 病室での使用実績はまだありませんが、WiFiの使える施設ならば、十分に利用可能であると思います。 - カメラは、患者とTVの両方を撮影できる場所に設置します。 - obnizを使えば、遠方からの監視・操作が非常に簡単にできることを実感しました。 - この記事の入院患者は私の母をモデルとしています。現在ご病気やお怪我で入院されてい方を誹謗中傷するものでは決してありません。