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Expander - PCF8591

Using an PCF8591 Expander as a Virtual Board (4 Pin Analog Input)

Breadboard for "Expander - PCF8591"


Fritzing diagram: docs/breadboard/expander-PCF8591.fzz


Run this example from the command line with:

node eg/expander-PCF8591.js
var five = require("johnny-five");
var board = new five.Board();

board.on("ready", function() {
  var virtual = new five.Board.Virtual(
    new five.Expander("PCF8591")

  var a = new five.Sensor({
    pin: "A0",
    board: virtual

  a.on("change", function() {



Copyright (c) 2012-2014 Rick Waldron Licensed under the MIT license. Copyright (c) 2015-2018 The Johnny-Five Contributors Licensed under the MIT license.