Poor man's transducers with XDR type NMEA output.

[John W. Kitz]

All,

 

For what it's worth; not having read the thread about $IIXDR sentences in its entirety I may be missing the point of the thread with this post, but as an alternative to probably more expensive commercial transducers I imagine it should be possible to build one or more poor man's transducers using a combination of a relevant type of sensor (such as current, voltage, humidity, etc.), an Arduino and a bit of self written code intended to convert measurements of the sensor to an XDR type NMEA sentence and outputting it on a network.

 

Regards, Jk.

[Teppo Kurki]

Lots of people are doing that, for a new entry on this see http://signalk.org/2019/08/04/sensesp-sensors.html (a followup post with more details is on the works).

Disclosure: I am heavily involved with most things Signal K (but funnily enough not with SensESP).

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[John W. Kitz]

Teppo (and others),

 

Thanks for the link to the blogpost, it made for an interesting read. A looooong time ago I tinkered a bit with, I believe, a voltage and a current sensor attached to an Arduino with the idea of doing something similar (i.e. obtain data characteristic of the operation of something) albeit in a house. Cool to own one's own trawler BTW.

 

Success with whatever keeps you busy, regards, Jk.

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[Gary Smith]

And there is now a signal k plugin to convert the XDR sentences to signal k 

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