New version of MINDdroid available – for Advanced Users!

| Feb 20, 2011
LEGO have previously presented the MINDdroid app for Android devices which allowed you to get direct control over your NXT from your smartphone.

The MINDdroid app is a remote-control application that allows you to create a wireless connection directly with your NXT, and once a connection is established, you can tilt and turn your phone to make the robot move forward, turn to the sides, and by pressing an action button on the phone's screen, you activate the Action motor (motor A). If you have built a Shooterbot, RoboGator or Tribot (from the NXT 1.0 set -#8527) and have a spare motor for actions, you are in for a lot of fun!

Now there is an updated version that gives you new features and activities.

Here's a list of what is new with MINDdroid version 1.2:
- German language included
- Improved tutorial texts, also in German
- Improved bluetooth dialog
- Improved bluetooth connection algorithm, improvements on Bluetooth connection for HTC Desire
- NXJUploader - for uploading leJOS-NXJ-apps to the robot (only enabled when the new leJOS NXJ robot model is selected).Comes with two included nxj-Files (AlphaRex.nxj and MINDGameZ.nxj).
- Control the Alpha Rex model from the LEGO MINDSTORMS NXT 2.0 set (#8547).
You can make the Alpha Rex walk, shake, talk to you via your phone, in your language, give you sensor readings and play music (on your phone).
NOTE: this feature only works with the leJOS NXJ firmware.

The NXJUploader also looks for files on the download directory of the SD-card on your smart device.
leJOS NXJ is a special firmware for the NXT that includes a tiny Java Virtual Machine, that allows you to use Java as programming language for the NXT. Go to http://lejos.sourceforge.net to learn more about leJOS.

- MINDdroidConnector for building advanced apps that will run on the robot and for communicating with MINDdroid (or other upcoming Android apps).
- MINDGameZ – first candidate of a new game for your robots.
NOTE: requires leJOS NXJ firmware on your NXT microcontroller.

MINDGameZ is a multiplayer game that allows from 1 to 9 players to participate in the game with an adjustable number of rounds – from 1 to 9. It is currently based on the Tribot model from the NXT 1.0 set (#8527) with this motor and sensor layout (Port B=right motor, Port C=left motor, colour/light sensor at port 3).

Works with either the Colour Sensor or the Light sensor - this can be selected from the menu on your phone. It’s also possible to calibrate the sensor if the light conditions are varying.

Players gather points by driving on a race track defined by two black lines that should go around the whole track. The first player controls the robot to drive within the black lines, trying to avoid the lines!

The faster you complete a full round the higher points you gather.

If you make the robot touch – or 'see' one of the black border lines, you lose your turn to control the robot and the next player can take over.

Who can complete a full round or number of rounds without running into the lines?

NOTE: you can create your own race track for MINDGameZ by drawing lines on sheets of paper, or using black tape. Test the reaction of the Light or Color Sensor on a small strip before drawing or setting up a larger track. The difference between the background surface and the black (or dark) lines should be big enough to secure reactions from the sensor.

This is an example of a race track.                     >>>

To download the MINDdroid 1.2 application to your Android device, visit the App Market from your device. Existing users of MINDdroid 1.0 or 1.1 will have automatic updates when connecting their Android devices to the App Market.

The MINDdroid Application has been developed by some dedicated AFOLs (Adult Fans of LEGO) and software specialists Günther Hölzl:

Günther Hölzl is a professor at the Höhere Technische Bundeslehranstalt (Higher Technical Learning Institute) specializing in Internet and Software engineering, Biomedical information technology and Project management, based in Klagenfurt, Austria, where he lives with his wife and two children.

To learn more about how to connect wirelessly to your NXT microcontroller via Bluetooth, or to create individual names for your NXT please check the 'NXT Technology' pages in your User Guide, that comes with the LEGO MINDSTORMS NXT sets.

The source code for MINDdroid is released under the GPL v3 license and it is freely downloadable here:

http://github.com/NXT/LEGO-MINDSTORMS-MINDdroid

Help the LEGO MINDSTORMS team understand more about how you use gadgets and online devices as part of your everyday life. This anonymous survey takes only a couple of minutes, and provides us with valuable information about how young people spend their time, both online and with friends.
https://www.surveymonkey.com/s/LEGOMINDSTORMS2011
The 15-question survey is in English only. The button to submit your answers is Danish Only :P .

Good luck!

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