When using GPS class with an Arduino (or similar microcontroller), be sure to upload the StandardFirmataPlus firmware to your board.

Breadboard for "GPS - Hardware Serial"


Fritzing diagram: gps-hardware-serial.fzz


Run this example from the command line with:

node eg/gps-hardware-serial.js
const { Board, GPS } = require("johnny-five");
const board = new Board();

board.on("ready", () => {

   * Explicitly setting HW_SERIAL1 for the port
  const gps = new GPS({
    port: board.io.SERIAL_PORT_IDs.HW_SERIAL1

  // If latitude, longitude, course or speed change log it
  gps.on("change", position => {
    const {latitude, longitude} = position;
    console.log("GPS Position:");
    console.log("  latitude   : ", latitude);
    console.log("  longitude  : ", longitude);


Component Classes in this example:

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