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  1. How to use different sensor containersHow to use different sensor containers []
    In order to do operations with various sensor values the first step is to get the sensor value into a container.

  2. Appendix 3-LEGO MINDSTORMS NXT Light Sensor hardware schematic.pdfAppendix 3-LEGO MINDSTORMS NXT Light Sensor hardware schematic.pdf []


  3. Where can I get other sensors for the RCX?Where can I get other sensors for the RCX? []
    Three distributors of LEGO Mindstorms sensors are LEGO Education, HiTechnic Products, and Mindsensor...ic Products, and Mindsensors. In addition to the light and touch sen

  4. How do I use subroutines?How do I use subroutines? []
    Subroutines are parts of a program that only run when the green 'start subrou

  5. My container function in ROBOLAB is not working.My container function in ROBOLAB is not working. []
    Make sure the correct containers are being referenced in the program. The program below does not work

  6. Why is the light in my light sensor off?Why is the light in my light sensor off? []
    In order for the light in the light sensor to be on, the sensor port must be configured as a powered...

  7. How can I tell which event has been triggered?How can I tell which event has been triggered? []
    If you have more than one event, and only one event land, they all land at the same place. However, this does not mean that there is no point in ha

  8. How does my RCX connect to my transmitter?How does my RCX connect to my transmitter? []
    The RCX communicates to the tower through infrared (IR) technology. There are no wires used to connect the RCX to the tower. However, there must be an u

  9. What is the difference between the wait for light and wait for brighter commands?What is the difference between the wait for light and wait for brighter commands... []
    The major difference between the wait for light and the 'wait for brighter' is that 'wait for brighter' is a relat

  10. Where can I get other sensors for the NXT?Where can I get other sensors for the NXT? []
    Four distributors of LEGO Mindstorms sensors are LEGO Education, HiTechnic Products, Vernier, and Mindsensors. For the NXT, LEGO Education cu

  11. Create an echo-locator.Create an echo-locator. []
    Similar to a bat with a sonar echo locator, this program uses light to measure distance, with sound as a feedback. Using your RCX or NXT, a

  12. Where can I find technical specifications for the NXT sensors?Where can I find technical specifications for the NXT sensors? []
    The Hardware Developer Kit (HDK) published by LEGO Mindstorms provides technical documentation and schematics for the NXT, its bluetooth interface, and

  13. 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

  14. 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...

  15. How do I log data in Investigator program level 4 and 5?How do I log data in Investigator program level 4 and 5? []
    There are three important components to include in your program when logging data in investigator. Unless otherwise specified,

  16. When I press run, nothing happens. Why?When I press run, nothing happens. Why? []
    If nothing happens when you press 'run', possible explanations include: - It could be a bad download. Try redownloading your program.

  17. I tried to use the touch sensor, but it didn't work.I tried to use the touch sensor, but it didn't work. []
    Often times programming problems are the result of how you have built your robotic

  18. What is the NXT-G Calibration block for?What 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-li

  19. What are some possible uses for the NXT light sensor? How do I program it in NXT-G?What are some possible uses for the NXT light sensor? How do I program it in NXT... []
    The NXT light sensor is primarily used to gather information about the light levels in the environme...

  20. I 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?I can’t figure out what threshold values I should use for my light or sound se... []
    Place your sensor in the light or noise environment that it will experience while the program is ru...

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