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simple NMEA display
Daniele Fua wrote in news:48da95fd$0$1080
: Is there an easy way to build a display that will show some chosen NMEA data? I have seen on the market programmable units that sell for several hundred $ and I know that a computer is easily interfaced but what I need is just a simple, cheap and weatherproof repeater at the helm to display only few of the zillion data available at the underdeck main navigation station. For example decoding just part of BWC and VTG and displaying, say, four lines would be enough (COG, heading, bearing to waypoint, and distance to waypoint). Daniel We have one aboard Lionheart. It's a B&G "Network" DATA display. I think it will display what you want except it has no chart plotter to do bearing and distance to waypoint. For that you'd need a chart plotter to do the calculations and to store the waypoint lat/long. Here's its user manual: http://www.bandg.com/upload/B&G/Docu...data_manual.pd f The functions you seek are under the OTHER button. B&G Network QUAD would give you more data simultaneously. We only have DATA, not QUAD in our system and it's located at the chart table. http://www.bandg.com/upload/B&G/Docu...quad_usermanua l.pdf B&G discontinued NETWORK instruments for a newer proprietary system to compete with Seatalk and Garmintalk (or whatever the hell Garmin calls it). It's too bad, too, because the daisy-chained NETWORK instruments are all STANDARDIZED NMEA 0183 data instruments that "pass through" data fed to them, while adding their own statements if they are talkers...eliminating the need for multiport multiplexers. they simply plug in end-to-end with cables that match sticking out of them. At any point in the chain, if you make the chain into a complete loop, you can break out the NMEA 0183 data stream from all of them by slicing into the cable and splicing your own "data out" wire (NMEA +) to the, I THINK I REMEMBER, green wire. At any point this wire will have all the data from all the instruments on it and can be used by non B&G instruments as listeners, directly. Either of these will do what you want, except for the chart plotter functions, in one neat sailing instrument. It doesn't care where the data comes from. Just put 12V to the RED and 12V ground to BLACK and INPUT the data to the INPUT cable pin. Sorry I don't have the pinout quickly available, but it's on B&G website. They'll sell you "extension cables" you can simply cut in half to get input and output cables already made up to connect to other manufacturer's devices. Works great that way. Check ebay or other used marine instrument sources for them on the cheap. Boaters love to "upgrade" perfectly good working systems...(c; |
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