If you have another type of microcontroller that is supported by Johnny-Five, check with its manufacturer for specific instructions. The procedure below is for Arduino-compatible boards.
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How to load Firmata on your board will depend on its type. As it says on their website: “ Firmata is a generic protocol for communicating with microcontrollers from software on a host computer.” Once the Firmata software is loaded on the board, Johnny-Five will be able to talk to it using the Firmata protocol and its JavaScript library. In order for Johnny-Five to be able to talk to our microcontroller, we must install Firmata on it. Even models that are not officially supported may just work. We will use an old Arduino Duemilanove but pretty much any Arduino will do just fine. To play along, you will need a board that is supported by the Johnny-Five library. With NW.js v0.13+, this is all a thing of the past… While node-serialport is great, it is a module that needs to be specifically recompiled for your platform (Mac, Linux, Windows), your architecture (32bit, 64bit) and your version of NW.js. It means that, when used inside NW.js, modules like Johnny-Five no longer have to rely upon third-party native modules like node-serialport to talk to external devices. serial API. For physical computing, this is major news. The good news is that, starting with version 0.13, NW.js now supports Chromium’s built-inĬhrome. However, in NW.js v0.12 and prior, the procedure was a bit overwhelming for beginners. It has been possible to use Johnny-Five with NW.js for a while.
In this tutorial, we will show you how easy it has become to control external devices and gather data from sensors in such an environment. Combined with a microcontroller such as the Arduino, you get a very powerful end-to-end toolchain for physical computing. With the availability of version 0.13, it becomes trivially easy to use NW.js with the Johnny-Five robotics library.
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