Demonstrates using dual 7 Segment displays.
Fritzing diagram: docs/breadboard/led-digits-clock-dual.fzz
Run this example from the command line with:
node eg/led-digits-clock-dual.js
const moment = require("moment");
const { Board, Led } = require("johnny-five");
const board = new Board();
board.on("ready", () => {
const hmm = new Led.Digits({
controller: "HT16K33",
});
const seconds = new Led.Digits({
pins: {
data: 2,
cs: 3,
clock: 4,
}
});
let minute = null;
let toggle = 0;
setInterval(() => {
const now = moment();
const min = now.minute();
let form;
if (minute !== min) {
minute = min;
form = (toggle ^= 1) ? "h:mm" : "hmm";
hmm.print((" " + now.format(form)).slice(-5));
}
seconds.print(" " + now.format("ss.SSSS"));
}, 200);
});
Learn More:
Copyright (c) 2012-2014 Rick Waldron waldron.rick@gmail.com Licensed under the MIT license. Copyright (c) 2015-2023 The Johnny-Five Contributors Licensed under the MIT license.