Using an 74HC595 Expander as a Virtual Board (8 Pin Digital Output)
Fritzing diagram: docs/breadboard/expander-74HC595.fzz
Run this example from the command line with:
node eg/expander-74HC595.js
const { Board, Expander, Leds } = require("johnny-five");
const board = new Board();
board.on("ready", () => {
const expander = new Expander({
controller: "74HC595",
pins: {
data: 2,
clock: 3,
latch: 4
}
});
const virtual = new Board.Virtual(expander);
const leds = new Leds(
Array.from(Array(8), (_, pin) =>
({ pin, board: virtual })
)
);
leds.blink(500);
board.repl.inject({
leds
});
});
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.