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  1. questionMy program won't do what I told it to do!
    If the program seems to skip over a task, most likely there was no 'wait for' condition after the tasks in the program. This means that the tasks in the program were run, but so fast that it appears the program is doing nothing. For example, assume there is a program in which motors A and C mov ...

  2. questionCan I data log in the NXT software?
    Data logging is not possible in the LEGO Mindstorms NXT Software (NXT-G) in the same way data logging works for the ROBOLAB 2.9 software. However, you can use "files" to datalog in NXT-G. In NXT-G, files are both readable and writable from the on-board programs, so you can write a program that w ...

  3. questionI'm having problems installing the NXT drivers in Windows XP SP3.
    This problem is caused by one of the following two problems: 1. There is a bug so that the NXT driver cannot be installed separately in Windows XP SP3. It is only a problem if users want to update their driver alone, and not the entire NXT-G software package. If this is the issue, it can be fixe ...

  4. questionWhat is the NXT-G Calibration block for?
    The Calibration block (located in the 'Advanced' section in the 'complete palette' tab on the left side of the screen) is used to determine what real-life sound and light levels correspond to the 0% and 100% levels of the sound and light sensors. In order to fully calibrate a sensor, two calibra ...

  5. questionHow do I run the Mindstorms NXT (NXT-G) 1.0 software on Windows Vista?
    The Mindstorms NXT 1.0 software will work on Windows Vista if you follow the instructions below. There are a few limitations, but please remember that the Mindstorms NXT 1.0 software was developed and released long before Windows Vista had been made available and had not been designed for this o ...

  6. questionIn NXT-G, how can I split a program into more than the 3 task lines or 'beams' that are initially shown?
    This is done simply by holding down the 'shift' key and clicking on any part of the beam. This should grow a new extension that you can use for your various tasks. The purpose of this is to create multiple, separate tasks that can be executed simultaneously. For instance, a program may be create ...

  7. questionWhat are some possible uses for the NXT light sensor? How do I program it in NXT-G?
    The NXT light sensor is primarily used to gather information about the light levels in the environment around the robot. A few ideas for projects that incorporate the light sensor are: 1) Follow a black line 2) Trigger an event when something passes in front of the sensor, reducing the effective ...

  8. questionMy NXT is frozen and I can't reload the firmware (I'm using NXT-G)! (Answer in Deutsche)
    LEGO Mindstorms NXT Firmware Verfahren zum Herunterladen: Sorgen Sie dafür, dass LEGO Mindstorms NXT über ein USB Kabel direkt mit dem Computer/Mac verbunden ist (eine Bluetooth-Verbindung funktioniert nicht). Drücken Sie mindestens 3-5 Sek. lang auf den Hardware Reset Knopf auf ...

  9. questionMy NXT is frozen and I can't reload the firmware (I'm using NXT-G)!
    Make sure the LEGO MINDSTORMS NXT is connected directly to the computer using a USB cable (a Bluetooth connection will not work). Press the hardware reset button on the NXT brick for at least 3-5 seconds. The hardware reset button is a tiny little button at the bottom of the pinhole on the bott ...

  10. questionWhat is the NXT-G Random block for?
    The 'Random' block (located under the 'Data' section in the 'complete palette' tab on the left side of the screen) is used to generate a random number between the range specified in its properties. You can use the slider to adjust between 0 and 100 or simply type in the range into the input boxe ...

  11. questionHow do I upload data from the NXT into NXT-G?
    Make sure the NXT is connected to the computer, and click on the NXT image button at the bottom right of program screen. Once the dialog box is open, click the Communications tab if it is not already at the front. Click on the Scan button to scan the NXT’s memory. Click on the Memory tab ...

  12. questionI can’t figure out what threshold values I should use for my light or sound sensors so that they control an action at the right moment. How can I figure this out?
    Place your sensor in the light or noise environment that it will experience while the program is running. Then use the “view” option on the NXT display screen to see exactly what value your sensor is reading. To use the “view” option on the NXT, choose View from the home ...

  13. questionWhere can I find all the sensor blocks in NXT-G?
    They are all located in the 'Sensor' section under the 'complete palette' tab located on the left side of the screen. This is the section you are looking for: kw

  14. questionDoes MINDSTORMS NXT (NXT-G) 1.0 run on Windows Vista?
    Yes, since Windows Vista can run applications that were designed for Windows XP.\nIn some instances, the user may need administrator privileges for\nMindstorms 1.0 to operate correctly. A new version of the Mindstorms\nNXT software built for Windows Vista will be available in the\nsummer of 2007 ...

  15. questionWhat are the limitations on Windows Vista?
    Some files are virtualized under LEGO Software so they may be hard to find in Windows Explorer. Because files are virtualized in Windows Vista, preferences and saved programs under LEGO Software will not be the same for different Windows user accounts. Thus, any preferred settings will have to b ...

  16. questionWhat is the NXT-G switch block for?
    The 'switch' block allows you to set different actions to occur according to the state of a certain input. Here is an example of how the NXT switch block is used: In this example, the NXT checks the state of the input from the light sensor. If the light sensor senses a lot of light, the NXT mov ...

  17. questionWhat are some possible uses for the NXT rotation sensor? How do I program it with NXT-G?
    The rotation sensor is embedded within the NXT motor. One idea for its use is to build a joystick to control a robotic car. In the following example, the motor responds when the rotation sensor is turned past 30 degrees. The rotation sensor can be made into a joystick for control. Note that in t ...

  18. questionWhy would I need to use logic inputs and outputs in NXT-G? What is an example of a program that uses logic inputs and outputs?
    The logic block in NXT-G is essentially used to combine two or more true/false signals into one true/false value. For instance, you can have a motor change direction if both (A) the light sensor value is above 50 and/or (B) the sonic sensor value is below 30. There is also an 'Xor' funtion on th ...

  19. questionWhat is the File Access block for?
    This block (located in the 'Advanced' section in the 'complete palette' tab on the left side of the screen) is used to write and read files on the NXT. The button has four functions: read, write, close and delete. In the following example, we will write to a file, and then read from the same fi ...

  20. questionWhich versions of Windows Vista are supported?
    LEGO Mindstorms NXT software will not install or run correctly on 64-bit versions of Windows Vista. LEGO Mindstorms NXT Software will run correctly on all 32-bit versions of Windows Vista if all of the instructions below are followed. Install Mindstorms NXT on Windows Vista as you would on Windo ...

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