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Node.js物聯網裝置開發
book

Node.js物聯網裝置開發

by Patrick Mulder, Kelsey Breseman
August 2017
Intermediate to advanced
272 pages
5h 32m
Chinese
GoTop Information, Inc.
Content preview from Node.js物聯網裝置開發
範例專案:機器爪子
|
197
範例專案:機器爪子
如圖 12-5 所示,此節範例將要建構的機器爪子,由一些機械框架與伺服馬達所組成。
12-5 簡易形式的機器爪子,以伺服馬達控制
底下程式碼能夠直接控制伺服馬達:
// direct_arm.js
var five = require("johnny-five");
var board = new five.Board({
});
board.on("ready", function() {
// 手臂伺服馬達在腳位 9
var arm = new five.Servo(9);
// 手掌伺服馬達在腳位 10
var hand = new five.Servo(10);
this.repl.inject({
hand: hand,
arm: arm
});
});
198
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第十二章 使用 Node.js 建構機器人
然後便可一次控制多個伺服馬達,形成「動作」:
// add_actions.js
var five = require("johnny-five");
var util = require('util');
var board = new five.Board({
});
// 建立新的手臂類別
var Arm = function() {
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Publisher Resources

ISBN: 9789864764594