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  1. What issues should I consider before creating mixed-gender pairs?What issues should I consider before creating mixed-gender pairs? []
    Boys usually have more experience building with LEGOs. Boys tend to jump into constructing and grab pieces before they think about what they will be doi

  2. ROBOLAB Training Missions Download ErrorROBOLAB Training Missions Download Error []
    RoboLab Training Missions Download Error

  3. My subroutine is not working.My subroutine is not working. []
    Motor B is programmed to run as a Subroutine, but it will

  4. What is an event?What is an event? []
    An event is something that the program monitors for, no matter what else is going on. For this reason it is very useful to use events to get out of infi

  5. How can a program be written to tell the difference between even and odd numbers?How can a program be written to tell the difference between even and odd numbers... []
    It would be possible to have the RCX or NXT count up to the number with a container, toggling

  6. How do I load my data into ROBOLAB?How do I load my data into ROBOLAB? []
    If you are using Investigator in ROBOLAB, go to the circle of icons on the left side of your scr

  7. How do I use the direct RCX communication commands?How do I use the direct RCX communication commands? []
    Direct communication between RCXs requires that their IR ports be uncovered and facing each other. All of

  8. Is there a timer that is more accurate than .1 seconds?Is there a timer that is more accurate than .1 seconds? []
    Yes. There are two different timers. The grey timer is accurate to tenths of a second, whereas the orange timer is accurate to hundredths of a second.

  9. Create an RCX car / creature that will play laser tag with other cars / creatures.Create an RCX car / creature that will play laser tag with other cars / creature... []
    Each RCX will be assigned a number. It will then have to "tag" other RCXs with the number using mail, while avoiding tags from other competitors. A

  10. When I try to take data, my RCX shuts off!When I try to take data, my RCX shuts off! []
    The RCX powerdown time may be set too low. In order for the RCX

  11. How can I use the serial port of my Intel-based Mac with ROBOLAB 2.9?How can I use the serial port of my Intel-based Mac with ROBOLAB 2.9? []
    Intel Mac Users need to update their VISA drivers to NI-VISA Version 4.0 for Mac OS X in order to use the serial port with ROBOLAB 2.9. The

  12. Is the ROBOLAB 2.9 firmware compatible with the NXT?Is the ROBOLAB 2.9 firmware compatible with the NXT? []
    Yes, RoboLab 2.9 has firmware for both the RCX and NXT. The confusion often arises from the fact that there are two different pieces of software to program the NXT - RoboLab 2.9 and the NXT softwar

  13. What is the correct procedure to wire a single fork or multiple forks?What is the correct procedure to wire a single fork or multiple forks? []
    Forks are a sign of choice in a program. Either the top line of the code is executed, or

  14. My car falls or tips backwards when I drive.My car falls or tips backwards when I drive. []
    If the car tips forward or backwards when driven, the car might not be not balanced well. If

  15. How do I use the Interrogate RCX function?How do I use the Interrogate RCX function? []
    The interrogate RCX command is a very useful way to see what is going on with your program while it is running. Interrogate RCX opens up continu

  16. Using RoboLab with Control Lab 9751 (Interface B)Using RoboLab with Control Lab 9751 (Interface B) []
    You may be experiencing problems if you are not using the specific Control Lab Interface icons. To use Control Lab with R

  17. How do I change the Inventor level in ROBOLAB?How do I change the Inventor level in ROBOLAB? []
    When you are using the Inventor section of ROBOLAB

  18. When I do things in real life, it takes a while before they show up on the camera.When I do things in real life, it takes a while before they show up on the camer... []
    The computer does not have enough power or memory to keep up a fast framerate for the camera, so the images may appear delayed or choppy.

  19. Create a program in Investigator that can run two tasks at the same time.Create a program in Investigator that can run two tasks at the same time. []
    1. The first task acquires light sensor data every 2 seconds while Motor A runs at half speed until the touch sensor is pushed in. Then Motor

  20. How do I draw on the NXT screen with ROBOLAB?How do I draw on the NXT screen with ROBOLAB? []
    There are a group of icons in the NXT Commands folder in ROBOLAB that allow you to draw li

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