Questions tagged [driver]
The driver tag has no usage guidance.
25
questions
0
votes
0answers
18 views
How to connect cmd_vel to motor_command in ROS
I have a motor driver for a BLDC wheel. I have successfully made the motor driver and ROS connections and when I send motor_command as in the "user manual" of the motor drivers, my wheels ...
1
vote
1answer
25 views
Where can I get a driver for the create2?
I just bought a create2 and wanted to connect it with my laptop. Unfortunatly my laptop is not able to recognice the create2. I suppose I need a driver to solve this. Does anyone know where a fitting ...
0
votes
0answers
32 views
Power pack and servo driver for robotic arm?
I have a robotic arm that uses about eight 7.4 volt volt high torque servos. (https://www.servocity.com/2000-series-dual-mode-servo-25-2/)
I need to know what Kind of battery system I can use to power ...
0
votes
1answer
123 views
0
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1answer
32 views
Understanding import attributes of electronics speakers, by example
I'm new to electronics/robotics and I'd like to start with a simple project that uses a speaker to play sound clips when a certain event/input/stimulus is detected.
Looking on Digi-Key and similar ...
2
votes
1answer
63 views
Motor driver damage and jerking behavior when load driving in same direction as motor
I'm having trouble with a gear motor being powered by a power supply, while it is being driven by the load in the same direction as the driver wants to drive it. Here is a simple diagram:
The gear ...
1
vote
1answer
378 views
Unlabelled pins on this L293D dual DC motor driver
I've got this board from a local store. It's an L293D based dual DC motor driver. All the pins are labelled except the 5 on the bottom as shown in the picture below. Couldn't find any datasheet or ...
2
votes
2answers
312 views
Best way to estimate velocity of motor with encoder
I'm designing a PMSM controller with the motor has an optical encoder, so I can get position information from the motor. But how to measure the velocity of the motor. Now, my design is to calculate ...
2
votes
1answer
252 views
Controlling a dc servo with serial communication
I am going to buy this motor :-
https://robokits.co.in/motors/encoder-dc-servo/faulhaber-coreless-17w-encoder-motor-120rpm-pid-dc-servo-drive?zenid=im3bp6grppt2f2ofdo2r6pq5c2
The datasheet of its ...
0
votes
1answer
43 views
controlling industrial servo with pc
these days I'm learning Orocos patched with xenomai. Although I have found the ways to create a hard real-time control software, I didn't find any information on how I should use this to control the ...
-2
votes
1answer
1k views
L298N driver takes too much current
I'm using L298N motor driver to spin stepper motor (42BYGHM809).
When connecting it to batteries(2*9v), the batteries heats up after few minutes and stop working, and when connecting it to power ...
1
vote
0answers
27 views
Issues with the dual VNH2SP30 motor carrier and 131:1 metal gearmotor 37Dx73L mm w/ 64 cpr encoders
For a while now I have been trying to build my own robotic platform, kind of like a turtlebot. However, I have kept running into an issue with controlling the motors. My main controller for sensor ...
2
votes
3answers
6k views
How to reduce the DC motor starting current?
I am making a bot with 4 motors with a stall current rating of 11.7A. I was using 4 separate motor controllers which has a peak current rating of 20A to control each motor. But when I gave power to ...
0
votes
2answers
77 views
DC Motor Control
My project requires a DC motor for mobility, very similar to an RC car. If precision isn't critical, can I use a solid state relay instead of a motor driver? If the vehicle moves an extra inch on the ...
3
votes
0answers
117 views
Maximum ball screw speeds [closed]
What is the maximum rotational velocity of miniature ball-screw (diameters up to 12mm) for approximately 1000 thrust cycles, and which type/brand would that be, if the speed is limited by the ball ...
0
votes
2answers
81 views
Driver Board to Control 16 Brushed DC Motors
I am building a humanoid robot with DC motor actuated fingers. There are 16 brushed DC motors to be position controlled with help of hall effect sensors implanted at the joints of each fingers. I need ...
0
votes
2answers
707 views
Eliminating Electrical Noise from my motor driver
Background:
I am using an Arduino Mega connected to a RoboClaw 2x60A motor driver. I asked this question about the system, but I have since narrowed the scope of the problem. I tried adding a bunch ...
2
votes
1answer
146 views
Comparison of the efficiency of DC motor current limiting / control methods?
I am using the wheels and motors of an RC toy car as a simple robotics platform. The car has 2 motors, one drives the back wheels, the other steers the front wheels. The steering motor is stalled by ...
1
vote
1answer
190 views
A robotics computer with graphics card, lots of computation power, battery, no screen, no keyboard? [closed]
I'm working on a robotics platform and we need an on-board Ubuntu machine to run ROS image recognition.
Does anyone know of a good set of computer hardware that has
NO screen
NO keyboard
Built-in ...
2
votes
1answer
968 views
ROS NavStack with Skid Steering robots
I am migrating from a differential drive design to a skid steering design for my robot, and I want to know how easy would it be to use the NavStack with skid steering. Would there be any problems in ...
2
votes
2answers
294 views
Software libraries for parsing sensor data
What software libraries are there for assisting the general problem of parsing a stream of sensor data?
We use various sensors like LIDARs and GPSINS units that provide messages in proprietary binary ...
1
vote
2answers
187 views
Motor driver selection
I am building a 2 wheel robot to carry 7KG of load. I used this link to get the torque required for each motor which is 11Kg-cm. So I choose 2 of these motor which has 36Kg-cm(2x more) torque. I ...
14
votes
6answers
47k views
How to convert vertical motion to horizontal?
I am interested in using this miniature motor Squiggle Micro Motor to create very tiny horizontal movements. However, due to very limited space, I can only place it vertically within my project.
...
20
votes
4answers
20k views
How can I use the Arduino PID library to drive a robot in a straight line?
I would like to create an Arduino based robot with 2 wheels, quadrature encoders on each wheel, a H-bridge driver chip (or motor controller) and a caster. I want to use the PID library to ensure the ...
4
votes
1answer
829 views
Connecting a 6 pole motor to a motor driver?
We are trying to power this motor with this motor driver , using a 11.1V 2.2Ah lithium-ion polymer battery.
(We're in over our heads with this and really need the help)
We checked with the company (...
