LEGO Engineering :: :: images of lego creations

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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
Is there any way to get a floating point value (decimal) into a container? []
No. There is no way to get a floating point (decimal value) into a container in ROBOLAB.
Can I change the display on the NXT during my ROBOLAB program? []
Yes. With the Change View icon in the NXT Commands folder in ROBOLAB, you can change the display on the NXT. The display can be changed from its
When I use the "stop" command in ROBOLAB 2.9, the motors only coast to... []
In the initial version of ROBOLAB 2.9, the stop comand does not work properly. The NXT motors coast to a stop rather than stopping abruptly.
How can I change the pitch of a note? []
Changing the octave will change the pitch of a note. Below are two C notes played one octave above
Using the Timer and RCX Display []
The RCX display block, found in the "RCX Communications" palette, is a great way to see what data the RCX is taking in. It can be used t
How do I configure a container? []
Unlike other programming languages, containers do not need to be declared. However, you still need to give them values. For
Create a program that can send large values through the RCX mail system. []
Mail values are limited to 255. However, the program below is a sample of a simple me
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
Which touch sensor data logging icon should I use in ROBOLAB? []
There are three different touch sensor data logging icons. All of the icons can be found under the Investigator folder. Each one is us
Why aren't the NXT motors running? I've plugged them in and programmed... []
Check that your motor is plugged in to an output port - A, B, or C. If you plug a motor into an input port - 1, 2, 3, or 4 - it will not run.
What is the difference between the timer and the clock? []
The RCX has four ways of timing: three onboard timers and one clock. The clock measure
Is it possible to use the same VI to load programs on two different RCXs? []
The best way to use one load one VI onto multiple RCXs is to use multiple IR towers.
How do I wire task splits? []
Task splits allow the RCX and NXT to execute two tasks at the same time.
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
Write a program to make a car drive forward until the touch sensor has been pres... []
Use the "Loop While Number of Touches and Releases is Less Than" icon. A sample solution is below.
My NXT is frozen (I'm using ROBOLAB)! What do I do? I downloaded ROBOLAB f... []
If you are using the LEGO Mindstorms NXT software (NXT-G) -- and not RoboLab -- you should install the NXT-G patch provided by LEGO Mindstorms Support. This patch fixes this problem only for NXT-G
How do I use Piano Player? []
With the RCX, Piano Player is a convenient way to create musical tones instead of wiring in each individual note in the program. It is accessed through
The motors on my robotic creation never stop running! []
There is no stop command for the motors in the program. The program below turns the motors on, waits for 4 secon
How do I do algebra with containers? []
...many available functions to do simple operations to containers. The following multiplies the value of the blue container b

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