How do I find my program on the NXT?
To run your program on the NXT, select My Files, Software files and then select your program. If you wrote your program in ROBOLAB the default file name is rbl. If you used the Begin NXT icon to write your program in ROBOLAB or wrote your program with the LEGO NXT Software, then you can scrol ...
Can you change the axes on the NXT graph display?
You cannot change the axes on the graph that displays your data logging on the NXT. It is set at a range from 0 to 1000 and will automatically scale if your data goes higher than 1000 or lower than 0, but cannot be set to start at different values. To look at your data more closely, and perhap ...
How do I change the volume on the NXT?
To change the volume on your NXT, turn on the NXT, select the Settings option, then select the Volume option and use the left and right arrows to adjust the volume setting. Press the orange button to accept the selected settings. The volume range goes from 0, which mutes the NXT, to 4 which is ...
How do I keep my NXT from shutting off?
The NXT has a sleep function that automatically turns it off after a number of minutes to save battery power. This function can be turned off or adjusted by selecting the Settings option and then the Sleep option. You can set the NXT to shut off after 2, 5, 10, 30 or 60 minutes or to never shu ...
Why aren't the NXT motors running? I've plugged them in and programmed them.
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. Check that all motors are completely plugged into the NXT. If you have used the NXT-G (LEGO Mindstorms NXT software) "drive straight" command to program t ...
Can I see what a sensor is reading directly on the NXT brick?
Yes. On the NXT you can see sensor values on the brick's display. Go to the View option. Then select whichever sensor you want to read and in what units (such as inches or cm for the Ultrasonic sensor). Then select which port the sensor is plugged into and the NXT will display the current val ...
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 its light, touch, sound, and ultrasonic sensors. This documentation may help you in developing your own sensors and actuators. You can download ...
Using Hi-Speed RS485 embedded in port 4 to facilitate NXT communication.
Several NXT units can be connected via RS485 that is embedded in port 4 of the NXT, using regular NXT cables and cable splitters needed to connect more than two NXT units together. This is shown in detail here. Source code can also be downloaded from this page. The video referenced on this page ...
Is the ROBOLAB 2.9 firmware compatible with the NXT?
Yes,\nRoboLab 2.9 has firmware for both the RCX and NXT. The confusion\noften arises from the fact that there are two different pieces of\nsoftware to program the NXT - RoboLab 2.9 and the NXT software - and\neach downloads different firmware into the NXT. Thus, you cannot download\na program to ...
Where can I find technical specifications for the NXT brick?
The Hardware Developer Kit (HDK) published by LEGO Mindstorms provides technical documentation and schematics for the NXT, its bluetooth interface, and its light, touch, sound, and ultrasonic sensors. This documentation may help you in developing your own sensors and actuators. You can download ...
Where can I find technical information about the NXT bluetooth interface?
The Hardware Developer Kit (HDK) published by LEGO Mindstorms provides technical documentation and schematics for the NXT, its bluetooth interface, and its light, touch, sound, and ultrasonic sensors. This documentation may help you in developing your own sensors and actuators. You can download ...
How do I delete files off of the NXT?
To delete a single file off of the NXT, select My Files and then select the type of file that you want to delete. To delete a program, select Software files. Then select the specific file and to the right of the Run button there is a trashcan icon that says Delete. Select the Delete icon to d ...
Can I use legacy RCX sensors with the NXT?
Yes. Legacy RCX sensors can be used with the NXT. The Educational Version of the NXT kit comes with a special cable just for connecting legacy sensors to the NXT. One\nend of the cable is the regular telephone cable style NXT connector and the other end of the cable is a legacy RCX style 2 x 2 ...
What kind of batteries should I use in the RCX or NXT?
- First of all, note that there are AC adapters available for both the RCX and NXT, so if you are building creations that can handle an electrical cord attachment, they can be powered by wall-unit electricity. - Recommended AA batteries are non-rechargeable alkaline batteries. Heavy duty carbon ...
When I select “run” on my RCX or NXT, the incorrect program runs.
On the RCX, make sure you are running the correct program number (1-5). On the NXT, make sure you are running the program with the correct name. To change the program you are running on an RCX press the gray “PRGM” button to scroll through program numbers. To change the program you ...
I built a car and can’t get it to turn even though I have programmed it to do that.
If you have four wide wheels on the car, it is very hard for the car to turn. If there is only one wheel in the front, turning is easier, and if you have one wheel that swivels, turning is even easier. The capacity of a car to turn is largely due to its design structure, so work on changing this ...
How can I build a 2-motor NXT car?
You can download these building instructions (1.3 MB) for a very simple, but not incredibly sturdy, 2-motor NXT car. KAB
How can I attach motors to the NXT with the fewest number of pieces?
1. Two Motor Car: Materials i. 9-holed beams (3) ii. 7-holed beams (2) iii. NXT motors (2) iv. Assortment of friction pins Attach the back of the two motors together (above the wire input) using a 9-hole beam Attach Motors on both sides at front to NXT using 7-holed beams Attac ...