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Questions tagged [dynamixel]

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How to control the Dynamixel Motor in PWM mode without having it locked when PWM is zero

I want the motor to be free to move by hand when I set the PWM to zero. Instead, there is a torque that makes the motor still in one position. Is that possible to do?
Jose P. Borges's user avatar
1 vote
0 answers

Smart Servo Motor Type Comparison

I have been using the standard MG90/SG90 servo motors for years now and am familiar with them. Recently, I am trying to build a robot dog with them with no success. The motors keep on vibrating and ...
DragonflyRobotics's user avatar
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1 answer

Dynamixels (AX-12A) no longer detected after id change

I have 8 dynamixels that are connected together. Everything worked fine until I changed all their ids to 200,201,202, ... To change their ids, I used this python library. Now, none of my motors are ...
MyUsername112358's user avatar
2 votes
0 answers

Can't set ID to Dynamixel MX-64

I have 2 WidowX robots which I already successfully address ID's for all the MX-28 and AX-12A servos using ROS code in the Arbotix controller with the Dynamanager 1.3 on a Mac but I can't detect any ...
Matt GL's user avatar
  • 21
0 votes
1 answer

Dynamixel MX-64T ID Problem

I have WidowX Robot Arm Mark II and I'm trying to give IDs to my servo motors. I could give IDs to two MX-28T motors and two AX-12A motors. However, there is no way I could assign IDs to two MX-64T ...
ps34's user avatar
  • 1
0 votes
1 answer

Inverse Kinematics 5DOF - general approach - Wrong solution MATLAB

Can anyone name a good source for a general approach (cookbook-like) for the inverse kinematics regarding a 5-DOF? The paper by De Xu et al. is aiming for a general approach, but it doesn't work for ...
Max's user avatar
  • 3
4 votes
2 answers

Nuc, custom pc or raspberry pi?

For our Minor “Robotics and Vision” we need to use ROS to create a system that can navigate to and from a coffee machine. The available hardware consists of a robotic platform from "Dr Robot", and a ...
Foitn's user avatar
  • 143
1 vote
0 answers

What frames are supported by the Dynamixel XL-320 OLLO?

I was recently looking into purchasing either a Dynamixel AX-12A or XL-320. The XL seems to use OLLO frames, which only seem to be available in a toy-like set. I was wondering if there are any other ...
VeryAwkwardCake's user avatar
3 votes
1 answer

Simulating Dynamixel motors in Gazebo

I'm trying to simulate a humanoid robot using Gazebo with plugins. Since our actual model uses Dynamixel motors, I'd like to know how exactly they work to make the simulation as realistic as possible. ...
Vikram Nitin's user avatar
1 vote
0 answers

Removing PCB from a Dynamixel RX-24F servo? [closed]

For a mod on the Dynamixel RX-24F I need to remove the enclosed PCB. I removed all screws but the PCB doesn't come out easily (without applying more force than I'm comfortable with). It seems to be ...
grilly's user avatar
  • 11
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(Dynamixel) Inverse rotation direction

I'm wondering if there's a feature to "flip" the rotation direction with Dynamixel (I'm using MX-106). For example, if I give +1.57 to the motor, then it interprets it as ...
IsaacS's user avatar
  • 282