Unable to sync with device; possible link problem or link software version mismatch such as hydro rosserial_python with groovy Arduino

asked 2017-10-30 16:14:45 -0500

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updated 2017-10-30 16:15:34 -0500

hi . i uplod this code on arduino mega 2560 . and run this launch file . i have this error :

Unable to sync with device; possible link problem or link software version mismatch such as hydro rosserial_python with groovy Arduino

baud rate is 115200 . but my servo motors not working .

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Same problem.

أسامة الادريسي ( 2017-11-04 01:27:51 -0500 )edit

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answered 2017-11-14 00:27:58 -0500

jayess
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There are many questions asking for help with the exact same error. Many questions. The best way to search for a solution is to use Google with the site operator and answers.ros.org. For example, go to Google and in the search bar enter:

<error> site:answers.ros.org

and Google will give you results using only this site! (Note: replace <error> with your error.)

Here's the search results for your error.

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answered 2020-10-02 13:22:13 -0500

Siddharth_Maraje

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I had same issues with communicating to STM32 controller through ROS-noetic and rosserial-Mbed.

Here, the issue is with the version of the 'rosrun python'.

I installed python3 and obviously, did sudo update that fixed my problem.

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Unable to sync with device; possible link problem or link software version mismatch such as hydro rosserial_python with groovy Arduino

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Unable to sync with device; possible link problem or link software version mismatch such as hydro rosserial_python with groovy Arduino