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Robotics : Recent Questions and Answers (Page 7)

Find answers to your questions about Robotics or help others by answering their Robotics questions.

How to design a robot chassis so as to avoid bending issues?

I'm good on the programming, control systems and electronics aspect of robotics, but need help with a problem with mechanical design. How do I avoid bending of my chassis due...

Asked on 10/03/2021 by jash

1 answer

Can I use a breadboard to power multiple SG90 servos?

I am planning on using 10 Towerpro SG90 servos, which operate at 4.8V or 6V and can require a maximum stall current of 700ma. If I use a breadboard like...

Asked on 10/03/2021

0 answer

Moment of Inertia of a Dumbbell

hope you are all doing well. I am taking a course at Coursera about Robotics and in one of the quizes, I had some problem with a particular question. I...

Asked on 10/03/2021 by kucar

2 answer

Are there any tutorials for OMPL in Python?

I want to learn and understand the Open Motion Planning Library (OMPL) through Python as I don't have much experience with C++. Almost all tutorials are written in C++ and...

Asked on 10/03/2021 by Batini

1 answer

Arduino and stepper motor

How arduino stepper library handles stepper motor with ULN2003? I mean, for controlling stepper motor one actually needs four pwms. It can be reduced to two by encoding, or maybe...

Asked on 02/19/2021

2 answer

Is it OK to apply too many volts to Actobotics HD motors?

Is it ok to apply too many volts to Actobotics motors?Too many as in 14.8V. Each motor requires 12V. Would it damage the motors in any way? and if...

Asked on 02/09/2021

1 answer

Is the covariance matrix in the extended Kalman filter guaranteed to be positive definite (ignoring numerical errors)?

I understand that due to numerical errors (e.g., round off error and machine precision) that the covariance matrix may not be positive definite, but if computers had infinite precision, is...

Asked on 01/20/2021

1 answer

Pictures coordinates to robot coordinates

I have a picture on my C# software and the corresponding object in real world on 2d plane of motorized XY axis table. What I want is when I select...

Asked on 01/14/2021 by Dairon

1 answer

Not able to communicate with Roomba with serial port

I have an IRobot Roomba model number 565 and I am trying to control it with a Wemos D1 mini with Roomba's OI. I connected the TX and RX pins...

Asked on 01/09/2021 by Aalian khan

1 answer

Directly tapping Create2 battery through vacuum brush

Problem Overview: our project consists of an iRobot Create2, a RaspberryPi 4 and a YDLIDAR X4. The RaspberryPi is powered from the Create2 serial port. We tried to power the...

Asked on 01/06/2021 by XabiGarde

2 answer

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