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Obniz WS2812B をNoodlで動かしてみる

Posted at

Obnizアドベントカレンダー遅れてすみません、、

LEDテープを光らせたい!
ObnizとNoodlを連携して、LED制御したい!という記事です。

#パーツライブラリ
LED(WS2812B)を使います。
https://obniz.com/ja/sdk/parts/WS2812B/README.md

購入したLED
https://www.amazon.co.jp/gp/product/B01MYT6JH9/ref=ppx_yo_dt_b_asin_title_o09_s01?ie=UTF8&psc=1

#構築したNoodlのフロー
noodl.png

#JavaScriptノードに記述したコード

JavaScript
script({
	inputs:{
	    obnizID:'string',
	    h:'number',
	    s:'number',
	    v:'number'
	},
	
	signals:{
		mySignal:function(inputs) {
		    var obniz = new Obniz(inputs.obnizID);
		    var h = inputs.h;
		    var s = inputs.s;
		    var v = inputs.v;
		    obniz.onconnect = async function(){
		        var led = obniz.wired("WS2812B", {din:2});
    		    led.hsvs([
    		            [h,s,v],[h,s,v],[h,s,v],[h,s,v],[h,s,v]
    		    ])
		    }
		}
	}
})

#ひとまず光った!

#おわりに
ちょっと理想通りに実装できていないので、引き続き試してみて、上手くいったら記事を更新しようと思います。

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