Using an PCF8591 Expander as a Virtual Board (4 Pin Analog Input)
Fritzing diagram: docs/breadboard/expander-PCF8591.fzz
Run this example from the command line with:
node eg/expander-PCF8591.js
const { Board, Expander, Sensor } = require("johnny-five");
const board = new Board();
board.on("ready", () => {
const virtual = new Board.Virtual(
new Expander("PCF8591")
);
const sensor = new Sensor({
pin: "A0",
board: virtual
});
sensor.on("change", value => {
console.log("Sensor: ");
console.log(" value : ", sensor.value);
console.log("-----------------");
});
});
Copyright (c) 2012-2014 Rick Waldron [email protected] Licensed under the MIT license. Copyright (c) 2015-2023 The Johnny-Five Contributors Licensed under the MIT license.