Mavros only write mavlink message on serial nothing more. What you want is basic mavlink routing. You want to send a message from a mavlink device to another Mavros will connect to only one mavlink ID. So you need : Mavros ( id=1,cmpnt=255)< - - uart - - > device (1,1) <--uart--> device2 (2,1) <-- uart--> mavros (2,255) Normally, mavros filter messages by id via ros plugin api. You can easily add more plugin to handle more message or catch messages from /mavlink_from --- [Visit Topic](https://discourse.ros.org/t/low-level-encapsulation-of-mavros-messages-using-mavlink/7247/4) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: