Expander - MCP23008

Using an MCP23008 Expander as a Virtual Board (8 Pin Digital IO)

Breadboard for "Expander - MCP23008"

docs/breadboard/expander-MCP23008.png

Fritzing diagram: docs/breadboard/expander-MCP23008.fzz

 

Run this example from the command line with:

node eg/expander-MCP23008.js
var five = require("johnny-five");
var board = new five.Board();

board.on("ready", function() {
  var virtual = new five.Board.Virtual(
    new five.Expander("MCP23008")
  );

  var leds = new five.Leds(
    Array.from({ length: 8 }, function(_, i) {
      return new five.Led({ pin: i, board: virtual });
    })
  );

  leds.on();

  this.repl.inject({
    leds: leds
  });
});

 

License

Copyright (c) 2012, 2013, 2014 Rick Waldron waldron.rick@gmail.com Licensed under the MIT license. Copyright (c) 2016 The Johnny-Five Contributors Licensed under the MIT license.