Send a NMEA0183 sentence - austral-electronics/Austral_Support GitHub Wiki

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Send a custom NMEA0183 sentence :

 var sentence="IIXDR,P,"+msg.payload.barometer+",B,Barometer";
 var chk=0;
 for (var i=0;i<sentence.lenght;i++) chk=chk^sentence.charCodeAt(i);
 msg.payload = '$'+sentence+'*'+Number(chk).toString(16);
 return msg;
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