I also had found that ping() & scan() do not work properly for my setup with OpenRB-150 (and DXL MKR Shield also). However, Goal Velocity and Goal Position work fine for me. So I just do not use ping() and scan() anymore for my work.
I also had found that ping() & scan() do not work properly for my setup with OpenRB-150 (and DXL MKR Shield also). However, Goal Velocity and Goal Position work fine for me. So I just do not use ping() and scan() anymore for my work.