Calibrating PID

[TNQ]

Hello. I've reached the PID calibration stage but encountered some problems. During calibration, all four of my motors rotate in reverse and the encoder decelerates. I'm working with Linorobot 1.

[Paul Bouchier]

OMG - why are you using Linorobot1? That means you're on ROS-noetic or earlier, which reached End Of Life/Support in 2025. You should be on ROS2 by now. And there's lots of good stuff in the jazzy branch of linorobot2 for ROS-Jazzy. For example, this new documentation at https://linorobot.github.io/linorobot2/ - not to mention modern microcontroller support, simulation support and lots more.

Paul

On Tue, Apr 14, 2026 at 9:53 PM TNQ <quangt...@gmail.com> wrote:

Hello. I've reached the PID calibration stage but encountered some problems. During calibration, all four of my motors rotate in reverse and the encoder decelerates. I'm working with Linorobot 1.

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[Chris Albertson]

If they all run in reverse.  it might be as simple as installing/wiring the left side motors on the right and vice versa.  I doubt you would have reverse the plus and minus leads on all four

On Apr 14, 2026, at 7:53 PM, TNQ <quangt...@gmail.com> wrote:

Hello. I've reached the PID calibration stage but encountered some problems. During calibration, all four of my motors rotate in reverse and the encoder decelerates. I'm working with Linorobot 1.