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digitalRead.js
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/**
* 讀取 Smart 上的按鈕(腳位4)狀態,用 console.log() 印出
*/
const webduino = require("webduino-js");
let board = new webduino.WebArduino("10ZrdG14");
// Webduino 準備好時的 callback
board.on(webduino.BoardEvent.READY, function () {
console.log("board ready");
board.systemReset();
board.samplingInterval = 50;
// 取得腳位4的物件
let button = board.getDigitalPin(4);
// 將腳位4設為 DIN
board.setDigitalPinMode(button.number, webduino.Pin.DIN);
// 每 500 豪秒做一次
setInterval(() => {
// 將 button 腳位的數值顯示出來(看起來0是按下,1是放開耶)
console.log(button.value);
}, 500);
});
// Webduino 錯誤時的 callback
board.on(webduino.BoardEvent.ERROR, function (err) {
console.log("board error", err.message);
});
// Webduino 斷線前的 callback
board.on(webduino.BoardEvent.BEFOREDISCONNECT, function () {
console.log("board before disconnect");
});
// Webduino 斷線時的 callback
board.on(webduino.BoardEvent.DISCONNECT, function () {
console.log("board disconnect");
// test: should not emit "disconnect" again
board.disconnect();
});