Connecting Ardupilot to ROS without a companion computer

Please help me if there are any resources to learn it completely

Can you explain in detail what you want to achieve ? :slight_smile:

I want to connect ardupiolt to laptop without companion computer using ROS/MAVROS

You can use an USB cable, telemetry radios, ESP8266 wifi, bluetooth.

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Install ros and mavros on the PC
connect a telemetry radio to you PC, connect another one to your fligh controller.
configure mavros to connect to the serial port where you connected the telemery radio.

have fun.

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Hi. I cannot connect to ardupilot via mavros. there is details. can someone help me?