[ros-users] Moving NXT's motor

Tully Foote tfoote at willowgarage.com
Wed Aug 10 21:17:50 UTC 2011


Hi Rafael,

Could you ask this question on answers.ros.org please.  It's a better
forum for troubleshooting.

Thanks,
Tully

On Wed, Aug 10, 2011 at 1:28 PM, Rafael Aroca <rafaelaroca at gmail.com> wrote:
> Hi, I've been playing with ROS+Lego NXT and after successfully playing
> with the sensors I got stuck trying to move one motor.
>
> The only parameter I found on nxt_msgs related to that is
> JointCommand, but JointCommand only has "effort".
>
> So I tried:
> rostopic pub /joint_command nxt_msgs/JointCommand '{name: 'motor', effort: 10}'
>
> And confirmed that this value changed with:
> rostopic echo joint_command
> ---
> name: motor
> effort: 10.0
> --
>
> But no movement. I also tried the nxt_teleop demo, but no matter the
> arrow key I press, none of the motor move.
>
> Any ideas?
>
> thanks
>
> []s Rafael.
> Linux User #56352
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>



-- 
Tully Foote
Systems Engineer
Willow Garage, Inc.
tfoote at willowgarage.com
(650) 475-2827



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