Download this firmware to the NXT using the standard LEGO MINDSTORMS software. 1.3 Executable Program Version. Check that the correct variant and latest version of the executable program, MindCuber.rxe v2.0, has been downloaded to the NXT. (Note: the v2.0 here refers to the software version, not the NXT version). Download your LEGO®MINDSTORMS®Education NXT software. LEGO, the LEGO logo, the Minifigure, DUPLO, the SPIKE logo, MINDSTORMS and the MINDSTORMS logo are trademarks and/or copyrights of the LEGO Group. ©2020 The LEGO Group. Hello LabView, I recently did a fresh install of Mac OSX 10.6 Snow LeopardSince then i'm unable to install the LEGO Mindstorms NXT-G 1.1 software (by LabView)It appears that the same is true for the latest version of NXT-G 2.0 In both cases, a dialog box state that installation was successfull yet the application folder only has an Engine folder and couple other files but no App ICON ? Any. Jun 07, 2019 Download LEGO MINDSTORMS NXT 2.0 for Mac from our website for free. This Mac app was originally developed by The LEGO Group. The following version: 2.0 is the most frequently downloaded one by the program users. This Mac download was scanned by our antivirus and was rated as safe. The software is included in Games. Free lego mindstorms nxt 2.0 software download software at UpdateStar.
Build your own LEGO® MINDSTORMS® robot to solve the Rubik's Cube®..
Note: this page is under development..
This page includes a collection of questions, hints and tips intended to help you solve any problems you have with MindCuber. More will be added shortly.
Please read the General Tips before looking at a specific section to ensure that the most likely causes are eliminated first.
If after using this information you are still unable to resolve the issue, please leave a message on the MindCuber facebook page or on one of the MindCuber videos on YouTube describing the problem and what you have tried to resolve it.
Contents
1. General Tips
1.1 Build Instructions
This may seem obvious, but please check very carefully that MindCuber is built exactly as shown in the build instructions. There are several places where mistakes can easily be made that are difficult to spot. Some of them cause unexpected problems during operation.
Several common mistakes are described in later sections.
1.2 NXT Firmware Version
Check that the latest version of firmware, 1.31, is installed on the NXT.
If an earlier firmware version is installed, the MindCuber program may not run correctly because it requires functions that were not available in earlier versions or because of memory limitations.
The latest firmware is available from the Support section of the LEGO MINDSTORMS website. Download this firmware to the NXT using the standard LEGO MINDSTORMS software.
1.3 Executable Program Version
Check that the correct variant and latest version of the executable program, MindCuber.rxe v2.0, has been downloaded to the NXT. (Note: the v2.0 here refers to the software version, not the NXT version)
If the wrong variant is used, the motors, in particular the turntable motor, will move incorrectly because the gear ratio is different between the two variants. The Rubik's Cube will not turn or tilt as required
The latest version also has improved color discrimination for the most reliable scan.
The variant and version of the program are displayed on the NXT screen as soon as the program is run.
- The version is on the top line as 'MindCuber v2.0'.
- The variant is on the third line as 'NXT 2.0' or 'NXT (Orange box)' for the 8527 variant
The latest MindCuber.rxe for NXT 2.0 can be downloaded here
The latest MindCuber.rxe for NXT 8527 (orange box) or Education Base set can be downloaded here
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1.4 Turntable Motor Alignment
When the MindCuber program is first run, the tilt arm and scan arm are moved automatically by the program to calibrate their positions. The turntable motor must be aligned manually.
Use the grey, left and right buttons on the NXT to carefully align the turntable motor when the program is running and waiting for a cube to be inserted. The motor should be aligned so that if the turntable is pushed gently by hand it will move sligtly and equally in each direction.
1.5 Batteries
Please try new or fully charged batteries in the NXT as several people have reported problems that disappeared when they replaced the batteries.
2. Scanning
MindCuber attempts to scan up to three times to try to determine the colors of the scrambled cube. If it fails, it will report either 'Cube error' or 'Scan error' at the end of the three attempts and flash the color sensor blue or red respectively.
2.1 Message 'Cube error'
This indicates that the colors appear to be correct and in the right combination for the pieces expected on the puzzle. However, it suggests that the cube has been taken apart and put back together in a way that is impossible to solve only by turning faces.
A cube will be impossible to solve normally if one corner piece or one edge piece has been twisted or if two pieces have been exchanged. This can happen, for exampe if the cube is taken apart to adjust or lubricate it and put back together at random.
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If this message is displayed, take the cube apart and put it back together completly solved. The scramble it by turning the faces of the cube as normal and try scanning again.
2.2 Message 'Scan error'
Scanning may be unreliable for a number of reasons including:
- The position of the color sensor is not as intended. Please check the build instructions very carefully as some subtle problems with parts connected in slightly the wrong place can have a significant effect on reliability.
- The battery voltage is low. Please check try new or fully charged batteries.
- The color sensor needs to be calibrated for the lighting conditions. This is described below.
- The lighting conditions are unsuitable. The color sensor produces its own light and bright lights can interfere with it so please try in low lighting conditions away from direct, bright lights.
- MindCuber is designed to work with the colors of a standard, Rubik's branded cube. It has been tested with a number of other cubes but expects one face with white stickers and the others to be yellow, red, orange, green and blue in any order. It has been tested successfully with several other cubes with varying levels of reliability. Note that if the cube has black stickers on one face instead of white, you can download and configure the program source code to expect this.
2.3 Calibrate the Color Sensor
The color sensor is affected by a number of things such as lighting conditions and the color of the stickers on the cube.
It can be calibrated for specific conditions by performing the following:
- Solve the white face of the Rubik's Cube
- Stop the program
- Start the program and then immediately press the orange button again and hold it until the screen says 'Calibrate white..'
- Insert the cube into the turntable with the white face upwards
- MindCuber will scan just the white face and then stop and display three numbers on the NXT display. It saves these numbers and uses them to calibrate the color sensor
- Remove the cube, scramble it and insert it again for a normal scan and solve
See more LEGO robot Rubik's Cube solvers at youtube.com/IAssemble and youtube.com/ARMflix
Copyright © 2013-2015 David Gilday
LEGO and MINDSTORMS are trademarks of the LEGO Group
Rubik's Cube is a trademark of Seven Towns Limited
Disclaimer: thoughts and opinions expressed here are my own Rubik's Cube is a trademark of Seven Towns Limited
Lego Mindstorms NXT 2.0 software is unstable on Yosemite. While it installs with complaints and runs fine, it will soon (minutes to days) begin to crash immediately after starting. A reinstall helps and then the problem starts again. No obvious association with other apps running or not. The Lego Education site says that the SW will work on Windows and Macs except for Yosemite. Does anyone have a workaround or information about the problem? Thanks in advance for any assistance/information.
Mini late 2012, 16 GB Yosemite 10.10.1
Mac mini, OS X Yosemite (10.10.1)
Mindstorms Nxt 2.0 Software Mac 2017
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