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JNT
Joined: 10 Jan 2009
Posts: 416
Location: Sweden
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 Posted: Thu Nov 06, 2014 11:15 am Post subject: Marine information over WiFi |
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Many modern marine instrument systems can send information over WiFi. There are apps for tablets and phones that can then display this information.
How much effort would it be to make this kind of functionality available in Trekbuddy?
I would like to be able to "read" and display information like DEPTH, SPEED (through the water), etc. that are available through NMEA 0183 or NMEA 2000 over WiFi.
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Ranger
Joined: 12 Dec 2006
Posts: 6030
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| Posted: Thu Nov 06, 2014 4:53 pm Post subject: |
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As I remember NMEA 2000 is standard to define marine instruments network, and WiFi version is probably just another way to send data from instruments via gateway.
Can you enumerate which exactly instruments would you connect (cause TB has gps nmea input only) ?
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JNT
Joined: 10 Jan 2009
Posts: 416
Location: Sweden
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| Posted: Thu Nov 06, 2014 9:01 pm Post subject: |
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| Ranger wrote: |
| As I remember NMEA 2000 is standard to define marine instruments network, and WiFi version is probably just another way to send data from instruments via gateway. |
I think you are correct. I do not (yet?) own any such instruments and have also just begun reading about them.
| Ranger wrote: |
| Can you enumerate which exactly instruments would you connect (cause TB has gps nmea input only) ? |
I suspect that the available data depends a lot on the specific installation, but personally I would want to have access to DEPTH, SPEED (through the water), WIND STRENGTH and WIND DIRECTION for starters.
I would guess that most installations would also give GPS data and could perhaps be used in Trekbuddy instead of the internal or an external bluetooth unit, but this is not my goal (at least not at the moment).
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Ranger
Joined: 12 Dec 2006
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JNT
Joined: 10 Jan 2009
Posts: 416
Location: Sweden
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kruch
Site Admin
Joined: 02 Jul 2006
Posts: 5674
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| Posted: Tue Mar 03, 2015 9:17 pm Post subject: |
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I assume this NMEA-to-WIFI transmitter is then just an endpoint with IP address, correct? TB reads NMEA from a stream, it does not really matter if it is file, socket (TCP) or serialcomm stream.
With sample NMEA file, it would not be so difficult to write a simple transmitter emulator and enhance TB to understand those non-gps NMEA sentences.
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