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Carlos Abad Molinero
Carlos Abad Molinero

Lego Mindstorms Nxt 2.0 Rubik 39;s Cube Solver Program Download


How to Build and Program a Lego Mindstorms NXT 2.0 Rubik's Cube Solver




Have you ever wondered how to solve a Rubik's cube in seconds? Do you have a Lego Mindstorms NXT 2.0 kit lying around? If so, you can build and program your own Rubik's cube solver robot using the MindCuber project. In this article, I will show you how to do it step by step, from building the robot, to downloading and installing the software, to using it to scan and solve any scrambled cube. You will also learn some troubleshooting tips and resources in case you encounter any problems along the way.


What is Lego Mindstorms NXT 2.0?




Lego Mindstorms NXT 2.0 is a robotics kit that allows you to create and program your own robots using Lego bricks, motors, sensors, and a programmable brick called NXT. The kit comes with an easy-to-use software that lets you drag and drop icons to create your own programs. You can also use other programming languages such as Java, C++, or Python if you want more advanced features. The kit is suitable for anyone aged 10 and up who wants to learn about robotics, engineering, and coding.




lego mindstorms nxt 2.0 rubik 39;s cube solver program download


Download Zip: https://www.google.com/url?q=https%3A%2F%2Ft.co%2FM2sCbVnIxK&sa=D&sntz=1&usg=AOvVaw3ypxG-26iM_HaiirwGPyZH



What is a Rubik's Cube Solver?




A Rubik's cube is a 3D puzzle that consists of six faces with nine colored stickers each. The goal is to twist and turn the cube until each face has only one color. A Rubik's cube solver is a device that can automatically scan and solve any scrambled cube using an algorithm. An algorithm is a set of instructions that tells the device what moves to make in order to reach the goal. There are many different algorithms for solving a Rubik's cube, some more efficient than others.


How to Build the MindCuber Robot




What you need




To build the MindCuber robot, you will need:


  • A Lego Mindstorms NXT 2.0 kit (set number 8547)



  • A computer with Windows or Mac OS



  • A USB cable or Bluetooth connection



  • A standard 3x3 Rubik's cube (not included in the kit)



How to assemble the robot




To assemble the robot, you will follow the instructions from the MindCuber website. You can download the PDF file that contains the building guide and the parts list. You can also watch the video tutorial that shows you how to build the robot step by step. The robot consists of four main parts: the base, the turntable, the arm, and the sensor. The base holds the NXT brick and the battery box. The turntable rotates the cube using a medium motor. The arm moves up and down using a large motor. The sensor scans the colors of the cube using a light sensor.


How to calibrate the color sensor




To calibrate the color sensor, you will need to follow these steps:


  • Make sure the robot is turned on and connected to your computer.



  • Open the Lego Mindstorms NXT 2.0 software and go to Tools > Calibrate Sensors.



  • Select Port 1 (where the light sensor is connected) and choose Light Sensor as the type.



  • Click Next and follow the instructions on the screen. You will need to place a white paper under the sensor and press Enter on the NXT brick. Then, you will need to place a black paper under the sensor and press Enter again.



  • Click Finish and close the calibration window.



This will ensure that the sensor can detect the colors of the cube accurately.


How to Download and Install the MindCuber Software




What you need




To download and install the MindCuber software, you will need:


  • A computer with Windows or Mac OS



  • A USB cable or Bluetooth connection



  • The Lego Mindstorms NXT 2.0 software (included in the kit)



  • The MindCuber executable program or source code (available on the MindCuber website)



How to download the executable program




To download the executable program, you will need to follow these steps:


  • Go to the MindCuber website and click on Download > NXT 2.0 > Executable Program.



  • Save the file (MindCuber-v2p0.rxe) to your computer.



  • Open the Lego Mindstorms NXT 2.0 software and go to File > Open Project.



  • Select the file (MindCuber-v2p0.rxe) and click Open.



  • Connect your robot to your computer using a USB cable or Bluetooth.



  • Go to Tools > NXT Window and make sure your robot is detected.



  • Click on Download in the bottom right corner of the NXT Window.



  • Wait until the program is transferred to your robot.



This will install the MindCuber program on your robot's memory. How to download the source code (optional)




If you want to download the source code of the MindCuber program, you will need to follow these steps:


  • Go to the MindCuber website and click on Download > NXT 2.0 > Source Code.



  • Save the file (MindCuber-v2p0.zip) to your computer.



  • Extract the file (MindCuber-v2p0.zip) to a folder on your computer.



  • Open the Lego Mindstorms NXT 2.0 software and go to File > New Project.



  • Go to File > Import Project and select the folder where you extracted the file.



  • Select all the files in the folder and click Open.



  • Connect your robot to your computer using a USB cable or Bluetooth.



  • Go to Tools > NXT Window and make sure your robot is detected.



  • Click on Download in the bottom right corner of the NXT Window.



  • Wait until the program is transferred to your robot.



This will install the MindCuber program on your robot's memory. You can also modify the source code if you want to change some settings or features of the program.


How to Use the MindCuber Robot




What you need




To use the MindCuber robot, you will need:


  • A Lego Mindstorms NXT 2.0 kit with the MindCuber program installed



  • A standard 3x3 Rubik's cube (not included in the kit)



How to start the program




To start the program, you will need to follow these steps:


  • Turn on your robot and wait until it displays "MindCuber" on the screen.



  • Press Enter on the NXT brick to start the program.



  • The robot will play a sound and display "Ready" on the screen.



This means that the robot is ready to scan and solve a cube. How to scan the cube




To scan the cube, you will need to follow these steps:


  • Scramble the cube any way you like and make sure it is not solved.



  • Place the cube on the turntable with the white face on top and the green face facing the sensor.



  • Press Enter on the NXT brick to start scanning.



  • The robot will scan the six faces of the cube one by one and display the colors on the screen.



  • After scanning, the robot will play a sound and display "Solving" on the screen.



This means that the robot has scanned the cube and is ready to solve it.


How to solve the cube




To solve the cube, you will need to follow these steps:


  • Wait until the robot finishes solving the cube. It will make several moves using the arm and the turntable.



  • The robot will play a sound and display "Solved" on the screen when it is done.



  • Pick up the cube from the turntable and check that it is solved.



  • Press Enter on the NXT brick to reset the program and scan another cube.



This means that the robot has solved the cube and is ready for another challenge.


Troubleshooting Tips and Resources




Scan error or impossible to solve cube




If the robot displays "Scan error" or "Impossible" on the screen, it means that it could not scan or solve the cube correctly. This could be due to several reasons, such as:


  • The cube is not a standard 3x3 Rubik's cube or has stickers that are faded, missing, or replaced.



  • The cube is not placed correctly on the turntable or is moved during scanning.



  • The color sensor is not calibrated properly or is affected by external light sources.



  • The program is corrupted or outdated.



To fix this problem, you can try these solutions:


  • Use a standard 3x3 Rubik's cube with bright and distinct colors.



  • Place the cube on the turntable with the white face on top and the green face facing the sensor. Make sure it is aligned with the center of the turntable and do not touch it during scanning.



  • Calibrate the color sensor using the Lego Mindstorms NXT 2.0 software. Avoid direct sunlight or artificial light sources that could interfere with the sensor.



  • Download and install the latest version of the MindCuber program from the MindCuber website. Make sure you transfer it to your robot's memory correctly.



Red/orange discrimination error




If the robot displays "Red/orange" on the screen, it means that it could not distinguish between the red and orange colors of the cube. This could be due to several reasons, such as:


  • The cube has red and orange stickers that are too similar in hue or brightness.



  • The color sensor is not calibrated properly or is affected by external light sources.



  • The program is corrupted or outdated.



To fix this problem, you can try these solutions:


  • Use a cube with red and orange stickers that are clearly different in hue or brightness. You can also replace the stickers with new ones if they are faded or worn out.



  • Calibrate the color sensor using the Lego Mindstorms NXT 2.0 software. Avoid direct sunlight or artificial light sources that could interfere with the sensor.



  • Download and install the latest version of the MindCuber program from the MindCuber website. Make sure you transfer it to your robot's memory correctly.



Motor control error




If the robot displays "Motor control error" on the screen, it means that it could not control the motors properly. This could b


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