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Questions tagged [embedded-systems]

An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints

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Is missed step detection of a stepper motor done is software or hardware?

I remember seeing a video of the Prusa i3 Mk3 printer. It can detect when the stepper motor misses a step, so it can home itself again. I would like to know how this is done! There are a few options ...
Mikael Lindqvist's user avatar
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Microcontroller for running Linux RTAI

I'm a beginner in Robotics. I'd like to ask what are the minimum/recommended specs for a microcontroller to run a real-time system such as Linux RTAI? What is the popular microcontroller for ...
Vinko's user avatar
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MicroROS error on connecting agent ROS2: device disconnected or multiple access on port?

I'm trying to setup a project in MicroROS to subscribe at /cmd_vel with an ESP32. When I run the MicroROS agent on my pc on the same port of the ESP32 (/dev/ttyUSB0) I get continuously this error on ...
Valerio Spagnoli's user avatar
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Question about timeout_ns parameter in rclc_executor_spin_some

I have a question about the timeout_ns parameter of the rclc_executor_spin_some function. As far as I know, the timeout_ns parameter of rclc_executor_spin_some is interpreted in two ways. Can you tell ...
YouJungChoi's user avatar
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Simple web interface with beaglebone black

This is actually a very simple question, but I'm lost at the moment. I was using a beaglebone black for a school project. It controls a bunch of motors and actuators,etc. We wrote everything in C++, ...
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