While the EV3 is an older Legos Robot I keep this page updated as far as I can. I can still create the micro SD card needed for the EV3 and these instructions are still valid. I am sorry but this site was down for a while. I have recheck the details and all of this still works. If you need help getting your EV3 to work with the latest version of Quorum Studio I am here to help. Everything you need is here and is free. If you want me to send you a set up a card for you it would be at the current of price the correct MicroSD card. 

What is leJOS?  leJOS is a firmware replacement for Lego Mindstorms programmable bricks. Learn more about LeJOS. Once installed the EV3 LEGO Brick can be programmed by the Quorum Programming Language. While the EV3 Brick is getting old the leJOS firmwear still function with the latest version of the Quorum Programming Language and the Quorum Studio. These robot can still provide users with many opertunities to learn and program. 

What is Quorum? Quorum is an evidence-based programming language. It is designed to be accessible to everyone, in particular to individuals who are blind and use a screen reader technology. It is used by many schools for the blind to teach programming. Find more about Quorum on the Quorum website and/or view the video Quorum: An Accessible Programming Language. Try programming yourself by following the Quorum tutorial.

What is LEGO EV3? Lego Mindstorms EV3 is the third generation robotics kit in Lego's Mindstorms line. More about the EV3 Logo Robot. 

How to create the Micro SD card with the leJOS firmware needed to use Quorum or JAVA.

How to buy a Micro SD card with the leJOS firmware installed, tested, and ready to use in an EV3 Brick. 

What SD card should I buy if I want to load LeJOS on it myself?