problem with following rosserial_arduino "HelloWorld" tutorial

asked 2019-10-03 08:25:42 -0500

I am using https://downloads.ubiquityrobotics.co... on raspberry pi 3 model B+. It has pre-installed ros. When I type in rostopic echo chatter.It returns that topic has not been published I have tried to re-install arduino software.

Link to tutorial https://wiki.ros.org/rosserial_arduin...

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