Hi all, hi Tomek,
thanks for sharing your experience and for all the practical hints.
Meanwhile, I have been busy as well, two days ago I orderd these two BT RS232
devices
a) Bluebox
http://www.box73.de/catalog/product_info.php?products_id=2384&osCsid=avvcrk5ujqtet758a3vbdertv1
advantage: supply voltage ca. 8-15V and therefore ideal for our purposes,
disadvantage: some soldering work
and
b) Bexpro
http://www.bexpro-shop.de/de/Elektronische-Bauteile/BX-BTM-222-Modul-Bluetooth-UART-Class-1-Rayson
advantage: no soldering work, disadvantage: supply voltage might have to
changed - will see
each for approx. 35 EUR incl. shipping. I thought not much lost if it's crap
and at least I'd learn something.
This morning device a) had already arrived in the mail and since I had a day
off, I quickly finished it - after initial setup with a PC (only neccessary,
since I wanted the baudrate to be 38400, instead of the default 19200) the
gadget worked right from the start (lucky me :-)). In my "test lab" it's been
running without flaws with my IPAQ3870 (XCSoar, ConnectMe, PS Connect) and
Flarm connected for about 4 hours. For you interested, I posted some pics here
https://picasaweb.google.com/100822779411996703432/BluetoothRS232Flarm
Let me know if the link doesn't work (I not too familar with this). As you can
see I managed to directly solder the RJ45 onto it instead of using the SUBD9
connector, so the BT interface plugs directly with an 1:1 Y-adaptor into my
Flarm.
Anyhow, winter is long and except for some waves I will most likey see in
spring how it works during flight. Historically I have been more prone to use
hardwired connections and still might test the IOIO as well.
Cheers,
Sascha
________________________________
Von: Tomek Ziarko <zia...@yahoo.com>
An: xcsoar-user@lists.sourceforge.net
Gesendet: 12:33 Freitag, 2.Dezember 2011
Betreff: Re: [Xcsoar-user] Self-built Bluetooth Adaptor vs. IOIO Android Board
Sascha,
I constructed a double "RS232 Bluetooth Adaptor" + 12-5V Converter and
tested it on my last wave flight.
http://xcsoar.1045713.n5.nabble.com/file/n5041499/BT0.jpg
http://xcsoar.1045713.n5.nabble.com/file/n5041499/BT3.jpg
It is working very well with my Dell Streak, not any problem.
I solgered both BT Adapter myself from the set as per your link.
It requires SMD solgering of BT module but it is doable (did it for the
first time & it worked).
I am receiving BT signal from Flarm & LX7000 in parallel and they are being
mixed in XcSoar.
The solution works very reliable, connectivity is as easy as with a cable.
To get 5V I use HTC auto converter 12-5V that I had spare. But you can get
something for 3€ on amazon:
http://www.amazon.de/gp/product/B001VICNX2
I was also considering IOIO but decided to go BT:
- it is more proved solution (Max has been flying in this configuration for
a year) and the only proven for 2 devices
- is more flexible - you can attach actually any device with BT, not only
Android. I am for example downloading flights with hx4700 & WM6 still.
- You can also connect with Laptop via BT to both LX & Flarm - no cable
needed - for firmware updates or data loads.
- You have signal even if the cable has some problem - it provides only 5V -
you can still operate on the battery.
BUT:
- yes you need a cable anyway
- cable is considered more reliable - however I can see that BT works very,
very well.
Looks like both solution are good. Price for components is similar, I think
BT solution is slightly cheaper.
Cheers,
Tomek
Ps. Big thanks to Max and other developers for GREAT Android port!
--
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http://xcsoar.1045713.n5.nabble.com/Self-built-Bluetooth-Adaptor-vs-IOIO-Android-Board-tp5038159p5041499.html
Sent from the xcsoar-user mailing list archive at Nabble.com.
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