Skip to main content
5 votes

Stuck on "Installing rootfs" when installing leJOS on the brick

I was able to fix the problem by creating a smaller partition on the SD card. (The idea came from this forum post; it was not necessary for me to buy a different SD card, despite what many people say ...
adam.baker's user avatar
3 votes

How to get leJOS to run on macOS Sierra

I've managed to get leJOS working on macOS Sierra, minus Bluetooth support. Bluetooth support is officially broken and has been for a while. There also hasn't been a new release in years, so a fix ...
Alexander O'Mara's user avatar
3 votes

Where can I find a good tutorial on programming with Lejos?

The makers of LeJOS maintain a blog on WordPress: where they also give tips and write howto's. I think that is the best place to get started, apart perhaps from the ...
Phil B.'s user avatar
  • 16.9k
3 votes

Two motors are driven forward, why are they rotating in different directions?

The "forward" and "backward" expressions are only interpreted in the reference frames of the motors themselves and translate to clockwise and counter-clockwise. In your case you must have mounted the ...
zovits's user avatar
  • 16.7k
2 votes

How to get leJOS to run on macOS Sierra

The one thing I needed to change to make the above solution work was this: LEJOS_NXT_JAVA_HOME="/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home" I hope this can be of help to someone. Wim
Wim Daniëls's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible