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Results tagged with nxt
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user 3631
A programmable robotics brick released by the LEGO company in late July 2006 and uses Technic connectors. This was preceded by the original RCX brick, and succeeded by the EV3 brick.
2
votes
NXT brick not executing programs correctly
It could be at the microprocessor level, meaning that the execution of the program is wrong, or it could be at the motor driver port, meaning that the NXT tries to drive the motor attached to the specific …
- 17.3k
2
votes
How to program light sensor to follow moving light using NXT
If I were you, I'd make it this way:
The leader robot has a very bright light shining backwards, but not in a tight beam, rather a wide cone, so it can be seen from the back easily.
The follower rob …
- 17.3k
1
vote
How to turn the NXT at an angle with NXC
This depends on the exact configuration of your robot, including but not limited to the distance between the wheels (if it's a differential drive robot), the diameters of the wheels, the gearing (if a …
- 17.3k
4
votes
Accepted
fgetc() moves pointer one step forward
The most basic solution would be to store the character read by fgetc, for example, instead of:
if(!isspace(fgetc(handle)))
you'd write:
char val = fgetc(handle);
if(!isspace(val))
This way if t …
- 17.3k
1
vote
"File error!" appears on NXT, but why?
Most probably the problem is that the array is declared, but not initialized. The program does not know how much memory to allocate for this specific array and therefore there is no available storage …
- 17.3k
2
votes
Accepted
Programming with Lego Mindstorms EV3
When we did NXT programming in university we used NXC (http://bricxcc.sourceforge.net/nbc/) as our primary language. … This is a C-stlye language, not exactly object-oriented, but seeing that NXT programming is practically equivalent to microcontroller programming, C is much better suited to this task in my opinion. …
- 17.3k
2
votes
Finding certain positions in a room?
There are a few different but related problems here.
Position Your robot should be able to know where it is in the room. This can be achieved in a few ways:
Using the ultrasonic sensor as a sonar, …
- 17.3k
0
votes
Return a robot to its start position?
For code references see these resources:
http://social.msdn.microsoft.com/Forums/en-US/100f8d4a-df1c-49b8-9dea-b01948b06def/lego-nxt-motor-encoder-updates? … forum=roboticstroubleshooting
http://www.lejos.org/nxt/nxj/tutorial/AdvancedTopics/Advanced_Hardware.htm …
- 17.3k
15
votes
Accepted
How can I make a precise one-way clutch using Technic elements?
Would this solve your problem? Depending on the direction of the input, only one axle will turn.
- 17.3k