plug and monitor an extra sensor

Hi to everyone!

I m posting here because for someone maybe this is trivial but not for me. I want to connect an rpm (revolution per minute) sensor to my ardupilot in order to be able to monitor my 55cc motor engine.

The problem is that its not completely clear to me how this could be done and i would like to ask hints for a stepping proccedure that i have to follow (this could be an easy start up for others requests). So far, i downloaded the ardupilot git and starting looking around in the code

I suppose that i have to make a new directory in the libraries according to airspeed lets say and writing my code there. As soon as i have the raw vallues i have to include this infromation in mavlink in order to monitor them from my ground station ...correct????

I would appreciate an advice from someone who is familiar with what i m trying to do to

Thanks,

P   

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  • Hi,

    Yes that's about it, if you want to do it cleanly.

    Another solution is to let the ArduPilot remain ignorant about the RPM, and get the data to the ground on a different data link. Or, for that matter, make a box that goes on the serial line between ArduPilot and data radio, and just forwards all messages + adds its own one with the RPM information.

    What kind of signal is coming out of that RPM sensor?

    Regards

    Soren

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