Programming

Webcam + leJOS + Dropbox = wow!

Webcam + leJOS + Dropbox = wow!

Now that we have my EV3 connected to Dropbox, let’s have some fun. In this project I use a cheap webcam connected to the EV3 to take a photo and upload it into my Dropbox account. It’s a wireless digital camera using the EV3 and Dropbox!

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Set up Dropbox in leJOS on the EV3

Set up Dropbox in leJOS on the EV3

Here’s a quick tutorial to add Dropbox support into a Java program in leJOS 0.9.0. It turned out to be far easier than I thought! Read on to discover how you can easily upload and download files to and from your Dropbox account from the EV3 in leJOS. Dropbox? On the EV3? The first thing(…)

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Book review: Lego Mindstorms EV3 Essentials eBook

Book review: Lego Mindstorms EV3 Essentials eBook

I received a review electronic copy of Packt Publishing’s ‘Lego Mindstorms EV3 Essentials’ book. This book covers Java and leJOS programming on the EV3, so it differs from most other books on the market in that it choose a 3rd party environment rather than relying on the Lego-supplied one. It also requires a Linux environment(…)

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leJOS 0.5.0-alpha for EV3 on Mac OS

These are my project notes from getting the 0.5.0-alpha release of leJOS working to develop Java programs for the EV3 in Eclipse on my Mac. After following these steps you will have a working Eclipse development environment that can send programs to the EV3 over wifi or Bluetooth. If you are using another release then(…)

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Using the Mindsensors EV3 Console Adapter on Mac OS

Using the Mindsensors EV3 Console Adapter on Mac OS

Mindsensors have released a special EV3 Console Adapter that lets you connect your EV3 console to a PC or Linux. What’s missing so far is a Mac OS X driver, so in this tutorial I show you how to configure the standard FTDI driver to work with the Mindsensors EV3 Console Adapater. Why do you(…)

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HelloWorld.java: first steps with Java on EV3

HelloWorld.java: first steps with Java on EV3

In my last post I shared how to get a working version of leJOS running on your wifi-enabled EV3.  Now we need to make it do something, so in this tutorial I will cover the basic tools for compiling, uploading and executing leJOS Java programs on the EV3. Get the leJOS source Andy has uploaded(…)

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