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Autopilot + COM freq. over BT to RS232


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ALSL-Flyer
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Michael Hoffmann - 12/15/2024 7:38:39 PM
Michael Hoffmann - 11/16/2024 6:03:54 PM
Thanks to Tim there is now an Android beta with support of the Becker AR6201 protocol.

Here is my solution to connect a BLE device to the Becker AR6201 radio:




Bill of material:

DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Modul mit 4 PIN Base Board für Arduino UNO R3 Mega 2560 Nano

RS422 MAX490 Mutual Transfer Full-duplex TTL Bi-directional Signal Module DC 5V

AMS1117 DC-DC Step Down Voltage Converter 6V - 12V to 5V

Minifuse 125 mA

My BLE to AR620x housing
Please contact me for STL-files, if needed.

The schematic of the circuit is attached.

Please note this is only for 12 V bus voltage,
and ONLY for experimental use!!!

Cheers!

I have the next AR620x adapter ready. It looks like this is becoming a business model for some people...
But you can make the adapter yourself as described above.
If you don't know much about electronics, soldering and 3D printing, I'll do it for you. No large quantities, just one handmade piece at a time. The adapter fits directly onto the free connection of your Becker AR620x. All that is required is a power connection (+12 V, GND) - no further mechanical work.
I guess 70-90 bugs is enough for one unit.
 


Please note: THIS IS 12 V EXPERIMEMTAL ONLY!
... but will work like a charme...

Cheers!


Michael, this looks like a perfect solution! Great! You fixed the connector with the slider - could you please share the source for this slider?
Michael Hoffmann
Michael Hoffmann
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Michael Hoffmann - 11/16/2024 6:03:54 PM
Thanks to Tim there is now an Android beta with support of the Becker AR6201 protocol.

Here is my solution to connect a BLE device to the Becker AR6201 radio:




Bill of material:

DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Modul mit 4 PIN Base Board für Arduino UNO R3 Mega 2560 Nano

RS422 MAX490 Mutual Transfer Full-duplex TTL Bi-directional Signal Module DC 5V

AMS1117 DC-DC Step Down Voltage Converter 6V - 12V to 5V

Minifuse 125 mA

My BLE to AR620x housing
Please contact me for STL-files, if needed.

The schematic of the circuit is attached.

Please note this is only for 12 V bus voltage,
and ONLY for experimental use!!!

Cheers!

I have the next AR620x adapter ready. It looks like this is becoming a business model for some people...
But you can make the adapter yourself as described above.
If you don't know much about electronics, soldering and 3D printing, I'll do it for you. No large quantities, just one handmade piece at a time. The adapter fits directly onto the free connection of your Becker AR620x. All that is required is a power connection (+12 V, GND) - no further mechanical work.
I guess 70-90 bugs is enough for one unit.
 


Please note: THIS IS 12 V EXPERIMEMTAL ONLY!
... but will work like a charme...

Cheers!

jekroth
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jekroth - 12/6/2024 8:46:26 PM
Tim Dawson - 11/25/2024 3:51:01 PM
Our new 4.0.1 version allows the TX part of the Bluetooth configuration to be connected to both a radio (so frequencies can be sent) and autopilot (so course data can be sent). In future, my goal is to allow the same Bluetooth device to also act as a GPS/traffic receiver through the RX part, but that cannot currently be done, you need two Bluetooth devices in this case.

As Michael says, as soon as a device needs bidirectional communication - as the Becker radios do - this concept will not work.

i got it working with android but not with iphone. is that what is fixed in the current beta

is it possible to opt out of navaids in the radio tab.

jekroth
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Tim Dawson - 11/25/2024 3:51:01 PM
Our new 4.0.1 version allows the TX part of the Bluetooth configuration to be connected to both a radio (so frequencies can be sent) and autopilot (so course data can be sent). In future, my goal is to allow the same Bluetooth device to also act as a GPS/traffic receiver through the RX part, but that cannot currently be done, you need two Bluetooth devices in this case.

As Michael says, as soon as a device needs bidirectional communication - as the Becker radios do - this concept will not work.

i got it working with android but not with iphone. is that what is fixed in the current beta

jekroth
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Michael Hoffmann - 11/18/2024 8:44:51 PM
jekroth - 11/15/2024 3:07:38 PM
Tim Dawson - 7/5/2023 9:13:53 AM
No, not until there is a device with widespread uptake in the community that we can actually develop with. We can't just "support Bluetooth" without a known device to develop and test with.

Hello I have connected 1 bluetooth device to Funke radio and Dynon autopilot. It works great with Android but doesn't work with iPhone. With iphone you have to choose radio or Ap. Did we miss something or does it not work to control both with the iPhone. Is there anything that solves this? or should I mount 2 bluetooth units one yill radio and the other for AP

I'm not sure I understood you correctly, you only connected ONE bluetooth device to the Funke radio AND to the Dynon autopilot? How did you do that?

Yes with Y cable. It works perfectly with Android, but with Iphone it only works to control one device

Wolfram Schiffmann
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vikino - 8/8/2023 8:27:57 PM
Or maybe more user and installation friendly is IRXON BT578 v3 or BT580, they work with Apple and Android well...

Hi, I purchase that device from AliExpress. Unfortunately, it doesn‘t react to AT+MODE=BLE in order to switch the Bluetooth mode to Low Energy. The connection to my tester-app terminal works because I get OK in reply to a sole AT command. Any idea how to fix this problem? I need LE because the iPad will not connect to BT.
Thanks and best regards,
Wolfram

Michael Hoffmann
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SeanKx - 12/5/2024 6:34:49 PM
Have received my Irxon dongle but daunted by patching into the 25pin dsub connector on my Trig radio; not least by trying to get to it as everything is rather buried behind the panel.

Was wondering if it would be possible to wire the dongle into a dsub adapter which could then be used to connect to the radio ie Trig dsub connector into adapter which then connects to radio hardware box.

One like this wired correctly?
https://www.amazon.co.uk/CY-Adapter-Parallel-Extension-Connector/dp/B0CWH7NQMY?th=1


It looks like all 25 pins are routed 1:1 "around the 90 degree corner". But I can't read that anywhere. It will probably work.

SeanKx
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Have received my Irxon dongle but daunted by patching into the 25pin dsub connector on my Trig radio; not least by trying to get to it as everything is rather buried behind the panel.

Was wondering if it would be possible to wire the dongle into a dsub adapter which could then be used to connect to the radio ie Trig dsub connector into adapter which then connects to radio hardware box.

One like this wired correctly?
https://www.amazon.co.uk/CY-Adapter-Parallel-Extension-Connector/dp/B0CWH7NQMY?th=1



Sean Kx
Samsung Galaxy Tab A7 Lite
Android 13
Skydemon latest version always

Lidders
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tobi - 10/13/2024 9:39:28 AM
norland - 10/12/2024 2:33:33 PM
tobi - 10/11/2024 5:18:54 AM
moefly - 9/22/2024 4:55:46 PM
All,

I was very excited when I read about the feature in the Skydemon release note, went right into ordering parts and figured I share the experience here.
Top 1 priority for me was to get the radio (f.u.n.k.e. ATR833-II) connected. So I designed a 3d case that perfectly fits on top of the original Sub-D connector housing and uses the existing screw holes (only needed slightly longer screws). Once mounted, it sits below the connector at the back of the radio and doesn't block anything else / basically uses the same space.
I decided to use a HM-18 BLE to serial module. It is very power efficient and therefore I could easily use the 5V the radio provides on the Sub-D connector. The HM-18 is outputting TTL serial, hence I added a MAX3232 converter to provide the proper RS232 levels the radio expects.

Put everything together and it worked right away. For me it's almost a killer feature in Skydemon as it makes my life so much more simple during flight.
A big thx to Tim and his team for adding this feature!

In case anyone is interested in the 3d model and a more detailed info on connection and parts I used, you can find all of that here on printables:
https://www.printables.com/model/1015550-funke-atr833-ble-rs232-case

Hi moefly,

according to HM-18 datasheet the power supply voltage is from 1.9V to 3.7V.
The ATR833 has 5V output.
Do you use a voltage converter or do you just run out of specs?

Regards,
Tobi


The same module is on Amazon uk for £12, it says Vcc is 3.6V to 6.0V.


You're right. Thanks for the response.
Even on DSD Tech homepage you'll find:
    Work voltage(VCC): 3.6V to 6V
    TTL logic level (TX, RX): 3.3V
But on the linked datasheet you'll read:
    Power: +1.9~3.7 VDC 50mA
I'll just try it.

Thanks,
Tobi


TTL logic level (TX, RX): 3.3V

I think the confusion stems from the fact that the bluetooth module is actually one pcb on top of another. The base pcb has a 5v to 3.3v regulator to supply power to the upper module which is 3.3v only. So 5v should work just fine.
vikino
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Tim Dawson - 11/25/2024 3:51:01 PM
Our new 4.0.1 version allows the TX part of the Bluetooth configuration to be connected to both a radio (so frequencies can be sent) and autopilot (so course data can be sent). In future, my goal is to allow the same Bluetooth device to also act as a GPS/traffic receiver through the RX part, but that cannot currently be done, you need two Bluetooth devices in this case.

As Michael says, as soon as a device needs bidirectional communication - as the Becker radios do - this concept will not work.

Yes, it will not work in setup like: one bt device, ap, traffic and becker, but setup: one bt device, ap and becker will work...

GO

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