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RPi4 not talking to arduino motor driver
#20
Yep that's correct, the current openplotter setup includes an old version of pypilot and a new version of the opencpn pypilot plugin, that are mutually incompatible. This is well known by the parties involved, but it has no priority to fix. The workaround is simple: update pypilot from github. If you follow all the steps in the workbook you should get a working version of it all. Then, you can do your own variation and compare each step. 

However, you were almost there with your buster setup. Just read up a bit more, dive under the bonnet to get a better grip on what's happening, and when something does not work, don't post your interpretation of it here, but the bare output.

If you don't want to update pypilot, you will miss the opencpn plugin integration and also the recent signalk integration - and you will miss all patches and new features, so I would not advise it. Pypilot version 0.16 worked quite all right, though, and allowed you to steer by compass, gps, wind AND waypoints. Integration with signalk and/or opencpn needs to be done the old-fashioned way through port 20220.

Another tack for you to try might be: to install buster, install signalk, install opencpn + plugin, install pypilot from github.
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RE: RPi4 not talking to arduino motor driver - by ironman - 2021-12-09, 04:06 PM

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