LabVIEW for LEGO MINDSTORMS and LabVIEW for Education

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mindsensors servo

Hi! I have a proble.
I want to control a plane with 1 gyro, 1 accelerometer and this servo:
http://www.mindsensors.com/index.php?mo ... PAGE_id=93
I´m doing that with labview, but I have problems to control the servo.
when I try to run a .vi than I download from web of mindsensors, it take errors like that:
NXT_imageDataCache.vi, NXT_BlockParamOffset.vi , NXT_GetBlockPng.vi, Nxt-servo-all 8.vi write_byte.vi....

somebody can help me?

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Message 1 of 11
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The program run OK!!!
[url=http://img97.imageshack.us/i/servo2ok.jpg/][img]http://img97.imageshack.us/img97/9302/servo2ok.jpg[/img][/url]

but i want to control the 3 servos at all the time,not only a moment.

thanks by your help

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Message 2 of 11
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Hi Toni,

 

     You just have to replaced the TRUE constant cabled to the WHILE loop stop condition with a control so that user can decide when to abort the iterations. I recommend you to include a timing VI into the loop.

 

Regards,

David Oña
Message 3 of 11
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pero con eso podria controlar los 3 a la vez?

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Message 4 of 11
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Hi Toni,

 

     In order to work with the three motor servos at the same time you should include three WHILE loops in your block diagram, one loop for each servo motor.

 

     Regards,

David Oña
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Message 5 of 11
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But I must control it at all the time, not onli a moment.

thanks

[URL=http://img30.imageshack.us/i/servo3.jpg/][IMG]http://img30.imageshack.us/img30/9402/servo3.jpg[/IMG][/URL]

Uploaded with [URL=http://imageshack.us]ImageShack.us[/URL]

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Message 6 of 11
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Hi Toni,

 

     As I told you on one of my previous posts: "You just have to replaced the TRUE constant cabled to the WHILE loop stop condition with a control so that user can decide when to abort the iterations" - Debes reemplazar la constante TRUE que se encuentra cableada al terminal de condición de para del bucle WHILE por un control (o una constante FALSE en su defecto).

 

     Hope this helps,

David Oña
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Message 7 of 11
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me da el siguiente error

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Message 8 of 11
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Hi Toni,

 

     As it is said in the dialog box, you just need to right-click the boolean control and select a mechanical action like 'Switch when Pressed'.

 

Regards,

David Oña
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Message 9 of 11
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I do that, but it don´t run.

what is the problem?

 

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Message 10 of 11
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