My FrSky telemetry project

Telemetry is the new "big thing" in RC systems. If you've got something to say or a question to ask, do it here.

Re: My FrSky telemetry project

Postby cweeks » Sat Dec 11, 2010 8:45 pm

I think from Bruce's comments he is using the Microchip C18 compiler. See here http://www.microchip.com/stellent/idcpl ... t=sw006011

It free provided your not bothered about the various levels of optimization the compiler provides.
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Re: My FrSky telemetry project

Postby jet760 » Mon Dec 13, 2010 3:21 am

Hi Bruce, we haven't really had a update of this project for awhile, how long before you would think it is ready for a release?
would love to be able to use this function of the frsky. I hear that they are releasing one late this month or early next.
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Re: My FrSky telemetry project

Postby suchislife » Mon Dec 13, 2010 9:57 am

Patience Jet760... This project has taught me patience...

Thank god I have model aeroplanes to take my mind off it ;)
Sopwith Camels Rule!
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Re: My FrSky telemetry project

Postby Tonyp » Tue Dec 14, 2010 1:09 pm

Hi everyone
I have been reading this forum for a while, and it was RC Model Reviews that put me onto the FRSky telemetry system. I have been playing with telemetry for a while (vario, altitude, motor current) but the FRSky unit does away with the need for the transmitter on board and also gives me a 2.4G system. On looking at the FRSky protocol, monitoring the Tx output, and some PIC coding, I have not managed to reliably isolate any particular frame because the hex start/end codes (7E, Fn,x,x,x,7E) appear in the frame as well as the start/end. From the photos of the LCD at the intro it looks as though Bruce has managed this. How? What are the criteria for the frames? For info, I am using the MPX4115 pressure sensor and a 20 bit a-D for altitude, but this device uses a 5V supply, unfortunately. The GPS chip is the LR9101, but at 1 Hz frame.
Keep it up, enjoying the discussion, and awaiting the end result.

Tony
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Re: My FrSky telemetry project

Postby Malfamartin » Thu Dec 23, 2010 3:23 pm

Hi everyone

FrSky is a, for Chinese standards a very good company, but they have still a long way to go when it comes to marketing.
They change a product without mentioning the difference to us customers. Don’t they realize that they live on us customers?
I bought some time ago two D8R receivers and also two volt sensors. Yesterday I got two more D8R but with a different layout.
Old one: 3 pins at left (G +5v Rx), 2 pins in the middle row A1 (G x A1 the middle pin missing), 2 pins in the right row A2 (G x A2 the middle pin missing)

New one: 3 pins at left (G +5v Rx), 3 pins in the right row A2 (G x A2)

I have now tried to figure out how to use my volt sensor on this new one without success. The old one was problem free.
I have no problem binding either of them to my Tx.

Please can anyone advice me how to do, I’m just a layman?

Cheers
Martin
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Re: My FrSky telemetry project

Postby BlueAngel » Thu Dec 23, 2010 4:25 pm

Just use the A2 input of the new receiver, A1 is fixed to battery voltage, thats why the A1 is next to the + symbol.

FrSky has already answered in their thread on rcgroups:
http://www.rcgroups.com/forums/showpost ... count=2405
http://www.rcgroups.com/forums/showpost ... count=2426
...
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Re: My FrSky telemetry project

Postby Malfamartin » Sat Dec 25, 2010 9:37 am

Thank you again Blue Angel
That means I have to use A2 also on the older type of Rx and reset A1 to value 1 on my Tx module.

Here is a tip to Eva and other people in FrSky Company!
Do not answer a question on any forum; just refer to your home page where you write question and answers instead. That gives a non speaking customer a chance to have your information translated. It is impossible (almost) to find vital information in a thread with a language unknown for you.
Just try to read a Swedish forum and find what you need to know.
The absolutely best marketing and information platform is the home page of a company. No matter if it is a Chinese or Swedish company.
FrSky should be the King of your own information, not any Forum.

Cheers
Martin
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Re: My FrSky telemetry project

Postby rayholland » Wed Jan 12, 2011 9:04 am

maybe a bit off-topic (more likely for fpv). but i stumbled into this one:

http://blog.flytron.com/simpleosd-telem ... ation.html

looks good and it's frsky (two-way) compatible

Cheers,
Ray
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Re: My FrSky telemetry project

Postby BlueAngel » Wed Jan 12, 2011 9:24 am

Yes, and Fyltron has already stocked its FrSky LCD: http://store.flytron.com/rc-electronics ... volts.html

How is your project going, Bruce?
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Re: My FrSky telemetry project

Postby rayholland » Wed Jan 12, 2011 10:01 am

i have an idea for another frsky dashboard after seeing the flytron groundstation:

i like hacking gadgets and running linux on it. a while ago i hacked a cheap 'didj game handheld' and put linux with qt 4.5 on it. see http://elinux.org/Didj
why not using this little cheap handheld as a dashboard? anyone here familiar in programming C++ with the nokia QT framework?
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