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skyartec compatibility

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28 Mar 2013 04:27 - 28 Mar 2013 04:30 #8181 by PhracturedBlue
Replied by PhracturedBlue on topic skyartec compatibility
If it were me, I'd probably consider this now that i know that not all the CC2500 modules have the same PA/LNA hookup:
www.skyartec.com/ProductShow.asp?ArticleID=1977

2 reasons:
1) it is one of the modules I tested with, so I have confidence it works
2) The skyartec guys provided me with all the hardware I needed to develop the protocol, so I think it is worthwhile to throw them a bone.

Note: I haven't actually purchased anything from them. their price looks reasonable, but I don't know what shipping costs are. I can't recommend them as a store, only that they actively sought me out and encouraged my development for their protocol.

Also: You need to attach your own antenna which might be a show-stopper for some folks.
Last edit: 28 Mar 2013 04:30 by PhracturedBlue.

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28 Mar 2013 07:39 #8183 by SadSack
Replied by SadSack on topic skyartec compatibility
www.chinesejade.com/walkera.htm

Don't own one but pricing look's very attractive and with china jade's shipping costs looks a winner.

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28 Mar 2013 14:14 #8190 by PhracturedBlue
Replied by PhracturedBlue on topic skyartec compatibility
thanks to SadSack, I have been enticed to pick up an F7 to add to my collection. I have no idea what I'll do with it, but having played with my 959, I'm really interested to see how FPV works.

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28 Mar 2013 14:32 #8194 by Mullson
Replied by Mullson on topic skyartec compatibility

dc59 wrote: Sorry!
If I uploaded any picture with no sense,please let me know,I will delete it.

do you mean the connection table or devo10 pictures?


I didn't mean you per se. I only meant that the error was minor in PB pdf just a master slave mix up. And the word "picture" wasn't meant as a pixel picture but as a picture of the discussion.
Sorry for the misunderstanding.

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28 Mar 2013 14:38 #8195 by sbstnp
Replied by sbstnp on topic skyartec compatibility

Hexperience wrote: edit--- AHHH I just did it again... I just ordered from the link posted above without reading it. It says it's 17dbm and "work distance" is 800m (But that it's up to 150ma so I don;t know...)

Lucky these things are cheap! I'll have a nice collection by the end. ;)

I'll hook up the xl2500-d03 for now...


Sorry, didn't mean to make you order it.

17dbm is 50mw. Official FrSky modules are 60mw AFAIK.
Devo 10 + 4in1
Spektrum Dx9
FrSky Taranis + TBS Crossfire

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28 Mar 2013 14:59 #8197 by Hexperience
Replied by Hexperience on topic skyartec compatibility

sbstnp wrote: Sorry, didn't mean to make you order it.

17dbm is 50mw. Official FrSky modules are 60mw AFAIK.


You didn't make me order anything... my compulsion did that all on its own! :P

I wish these Online Stores would just be specific and accurate. The link you posted did indeed day 150ma

"
POWER:1.8 to 3.6V
frequency:2.4 to 2.483GHz
work temperauture:-40 to +85 degree
Send Power:+17dBm,Current :150mA
Receive :-112dBm
rate:1200 to 500Kbps.
work distance:over 800m
size:25.5*34*2mm
"

I'm just going to sit this out for a bit and hook up my frsky module using PPM. Then I can use the telemetry display.
There are 10 types of people in this world. Those that understand binary and those that don't.

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28 Mar 2013 15:13 #8198 by Hexperience
Replied by Hexperience on topic skyartec compatibility

Mullson wrote:

dc59 wrote: Sorry!
If I uploaded any picture with no sense,please let me know,I will delete it.

do you mean the connection table or devo10 pictures?


I didn't mean you per se. I only meant that the error was minor in PB pdf just a master slave mix up. And the word "picture" wasn't meant as a pixel picture but as a picture of the discussion.
Sorry for the misunderstanding.


I really didn't understand your comment either. Were you saying that this is "No do it yourself club" meaning if we don't understand the electronics we shouldn't be posting questions??

I couldn't quite follow PB's instructions.
From the pdf:
"Three wires will be connected from the Devo’s CYRF module to the new
module, and two additional wires will be connected directly from the new module to the
Devo transmitter debug port"

Which 3 wires come from the CYRF? The table (for me) is a bit confusing. (whether of not there was a small error).

Anyway, Vlad fixed me up by completing the diagram...
There are 10 types of people in this world. Those that understand binary and those that don't.

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28 Mar 2013 18:23 - 28 Mar 2013 18:24 #8208 by RandMental
Replied by RandMental on topic skyartec compatibility

PhracturedBlue wrote: I have updated the table in the pdf so that it is hopefully correct now.


Hi All

I did this table before PB updated his document, this is the same as in the corrected V1.1a pdf document, perhaps the colours will help to reduce the table confusion

Attachments:
Last edit: 28 Mar 2013 18:24 by RandMental.

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28 Mar 2013 18:32 - 28 Mar 2013 18:36 #8209 by RandMental
Replied by RandMental on topic skyartec compatibility

PhracturedBlue wrote: If it were me, I'd probably consider this now that i know that not all the CC2500 modules have the same PA/LNA hookup:
www.skyartec.com/ProductShow.asp?ArticleID=1977


Let's play safe, 3 of them on their way.... :)
Last edit: 28 Mar 2013 18:36 by RandMental.

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28 Mar 2013 18:39 #8211 by DarkWolf
Replied by DarkWolf on topic skyartec compatibility
Ohhh... Yours is prettier.. :)

So for the skyartech mod (and others) you need to bridge the 1,9,10 pins, or just pick one?

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28 Mar 2013 18:45 - 28 Mar 2013 18:47 #8212 by RandMental
Replied by RandMental on topic skyartec compatibility

DarkWolf wrote: So for the skyartech mod (and others) you need to bridge the 1,9,10 pins, or just pick one?


You have to bridge the pins listed in a block. In this case 1,9,10 pins on the Skyartec module and then connect the bridge to the VDD pin on the devo PCB.
You then have these 4 pins connected, all sitting at 3.3VDC.
Last edit: 28 Mar 2013 18:47 by RandMental.

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28 Mar 2013 20:07 #8213 by SadSack
Replied by SadSack on topic skyartec compatibility

PhracturedBlue wrote: thanks to SadSack, I have been enticed to pick up an F7 to add to my collection. I have no idea what I'll do with it, but having played with my 959, I'm really interested to see how FPV works.


Ha Ha don't blame me for your addiction :)

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28 Mar 2013 20:23 - 28 Mar 2013 20:24 #8214 by Hexperience
Replied by Hexperience on topic skyartec compatibility
Hi all, I'm more interested in frsky, but this seems to be the cc2500 thread more or less...

Here's a photo of the inside of a devo12:

www.rcgroups.com/forums/attachmentNew.php?attachmentid=4658110

(not my photo so I'm linking to the original)

So I now know where the 3.3 and the TCK are, but just wanted to ask if anyone knows what the gnd/tx/rx pins are for? It's not ppm by any chance is it?
There are 10 types of people in this world. Those that understand binary and those that don't.
Last edit: 28 Mar 2013 20:24 by Hexperience.

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28 Mar 2013 21:10 #8217 by PhracturedBlue
Replied by PhracturedBlue on topic skyartec compatibility
would have been better in the Devo12 thread.
those pins are for debug only. they are attached to the USART (on a Devo8, these are the pins connected to the trainer jack, but on the Devo12 theyare different. On a Devo12 we could use them for whatever we want (today I use them to print debug messages)

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28 Mar 2013 21:30 #8219 by PhracturedBlue
Replied by PhracturedBlue on topic skyartec compatibility
Thanks RandMetal. I've updated the instructions to color the table as well

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28 Mar 2013 21:36 #8221 by PhracturedBlue
Replied by PhracturedBlue on topic skyartec compatibility
FYI, If you want to alter the documentation, you can find the fodt files here:
bitbucket.org/PhracturedBlue/deviation-manual

You need to use LibreOffice/OpenOffice to work with them, but I will take modifications in the same way I do for Deviation itself.

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28 Mar 2013 22:10 #8224 by blackmoon
Replied by blackmoon on topic skyartec compatibility

PhracturedBlue wrote: If it were me, I'd probably consider this now that i know that not all the CC2500 modules have the same PA/LNA hookup:
www.skyartec.com/ProductShow.asp?ArticleID=1977


What's the output power of this module ?

Thank you.

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28 Mar 2013 22:17 #8226 by DarkWolf
Replied by DarkWolf on topic skyartec compatibility

PhracturedBlue wrote: FYI, If you want to alter the documentation, you can find the fodt files here


If I could suggest that if changes are made to the doc a dated revisions note be placed at the bottom of the file and that at the top (page 1) there be placed a simple date based version number? 130328.pb or similar.

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28 Mar 2013 22:42 #8228 by PhracturedBlue
Replied by PhracturedBlue on topic skyartec compatibility

blackmoon wrote:

PhracturedBlue wrote: If it were me, I'd probably consider this now that i know that not all the CC2500 modules have the same PA/LNA hookup:
www.skyartec.com/ProductShow.asp?ArticleID=1977


What's the output power of this module ?

Thank you.

It uses the RFAxis 2402 module. That has ~21dBm output power (~125mW)

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29 Mar 2013 03:03 #8234 by PhracturedBlue
Replied by PhracturedBlue on topic skyartec compatibility

DarkWolf wrote:

PhracturedBlue wrote: FYI, If you want to alter the documentation, you can find the fodt files here


If I could suggest that if changes are made to the doc a dated revisions note be placed at the bottom of the file and that at the top (page 1) there be placed a simple date based version number? 130328.pb or similar.

Done. I also added a new picture and description for the Devo7e as well

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