Unanswered Questions

12
votes
0answers
397 views

What's the exact opacity and translucency of transparent bricks?

As answered in this question, transparent bricks are made of PC (polycarbonate) and as listed in this answer and on Brickipedia there are fourteen transparent colors: 40 Transparent (clear) 41 ...
7
votes
0answers
523 views

Connecting to NXT Brick via Processing over Bluetooth

I am attempting to control my NXT model via the Processing programming language rather than the provided language based on LabView. When I can establish a connection over Bluetooth, this works rather ...
6
votes
0answers
153 views

How can I control nxt 2.0 robot with a Wiimote in labview?

I am building a robot with Labview for LEGO Mindstorms and I have wanted to hook up the robot to move based on a Wiimote or Wii remote. However, I have not found a file to download to enable me to do ...
6
votes
0answers
217 views

PosRegEnable - How to change motor parameters?

I want to set PID parameters for a faster 'attack' when using PosRegEnablePID() on a motor. I am compiling with nbc/nxc 1.2.1 r4 mac osx fatbinary using -Z2 and -EF flags. But the compiler says: # ...
5
votes
1answer
59 views

Accessing ARM Processor Memory Registers through NXC

Specific to the NXC (Not eXactly C) programming language. Is it possible to access the memory registers on the ARM AT91SAM7S256 processor? I'm trying to investigate the use of Timer Interrupts to ...
4
votes
0answers
443 views

Known quality control issue with 10234 Sydney Opera House?

I have just completed 10234 Sydney Opera House, with one white half-shell (Bricklink: 41749 White Wedge 8x3x2 Open Right) missing. Both the Bricklink inventory and the Lego instructions show 34 of ...
3
votes
0answers
39 views

What electrical contact material is used for PF Connectors?

I'm designing my own PF electrical connector and I want to have the same functional characteristics as the original Lego brick. Could you please let me know which electrical contact material is ...
3
votes
0answers
39 views

PC To NXT Brick via Bluetooth

We have a fully-working java programme which can connect to another computer and can send messages from this(both sides run java and we used SPP Server and Client), however when trying to connect to ...
3
votes
0answers
200 views

LEGO turing machine using Rascal

I followed the instructions on LEGO Turing Machine and succeeded to build it. Next I've tried and failed to program it using NXT Mindstorm GUI. The site mentions a Rascal framework, but it doesn't ...
3
votes
0answers
145 views

NXT shuts down in 5 minutes

I have an NXT brick that will always shut down after 5 minutes. No, it is not the sleep timer. Documentation from the NXT Hardware SDK, page 17, states that if the ARM7 processor does not send back ...
2
votes
1answer
185 views

Mindstorms EV3 PC application won't load

Installed Mindstorms EV3 application on MS Windows 7 Home Premium v6.1 (Build 7601: Service Pack 1) and I keep getting the same error message when launching. A white window pops up with the ...
2
votes
1answer
112 views

EV3 RMIregulatedMotor Regulation Problems

I have problem with regulation of the motor when I control EV3 with Bluetooth. Here is the code: RemoteEV3 ev3 = new RemoteEV3("10.0.1.1"); ev3.setDefault(); RMIRegulatedMotor leftMotor = ...
2
votes
1answer
322 views

How to close color Sensor properly?

I want to get data from the color sensor with Bluetooth. I can get data but when the program terminates, the color sensor dose not close even though I call function close() on the color sensor. The ...
2
votes
0answers
390 views

RCX 1.0 downloaded firmware successfully with RIS 2.0 but does not run any program

I have installed correctly the RIS 2.0 in an old laptop running Windows XP and I successfully downloaded the firmware through the RIS 2.0 to the RCX 1.0, following the standard setup instructions. ...
1
vote
1answer
32 views

Bluetooth communication between computer and nxt using RobotC

I'm thinking starting a project involving controlling the movement of a NXT robot from the PC using RobotC. Is it possible? Does anyone have a simple code solution?

15 30 50 per page