While working with ROS tutorial chapter 3 together with the code from https://community.husarion.com/t/examples-for-using-makeblock-sensors/138/3 I got an error message using the following command at my RPi:
$ /opt/husarion/tools/rpi-linux/ros-core2-client /dev/ttyCORE2
The program started, the messages ROS serial Python node and Connecting to /dev/ttyCORE2 at 57600 Baud appeared, but after a few seconds there appears an error message:
Unable to sync with device; possible link problem or link software version mismatch such as hydro rosserial_python with groovy Arduino
“roscore” is running on the RPi and shows kinetic as distro, After starting “ros-core-client” “rosnode list” shows an additional node “/serial_node”.
My Core2 program starts with:
I am working offline (without Husarion Cloud). If that is the problem, what must I change to be able to work offline?