Flysky AFHDS 2A, protocol as used i10, i6, iT4,

Thank you for inform us, i also (pre)ordered one for 9 bucks.
Hope i can bind with my Devos with 3in1 Module.
will also report if it works when arrives.

@goebish
Thanks for reverse engineering of the protocol! Great work!
I would like to change few things in original FS-i6. Have you ever seen commented IDA database of ThomHpl or Dave Borthwick?
Do you know what is the address of method sending configuration packet?

Thanks anyhow, I will figure it at my own. Great reverse engineering!

hi Goesbish

i read on Rc group , you say
optional: open it in an hex editor then change the 4 bytes at offset 0x1C00 (12 34 56 78) to change RX ID, I think you can use any arbitrary values, just avoid using FF FF FF FF

i still not understand this problem , Open hex editor ? can you show me a photo ?

I open file IA6B , but i see it diffirence your photo ? why on your photo, so much FFFFFFF but i m not ?

ok , thank you

I get an iA6B receiver from Banggood on Friday and it works fine with my Devo 10 so far. I was surprised I didn't have to update FW to get PPM and sBus working. My only problem is short telemetry range. I suppose it could be because of my multimodule ""burried" under left stick and short antenna inside the transmitter.
The RSSI displayed on my LCD is negative number (-60d), so it is impossible to set alarm for it

I have digged into telemetry of original FS-i6.
Might be useful for adding other sensors below list of additional ids:
0x0 - Internal Voltage
0x1 - Temperature
0x2 - Mot.?
0x3 - External Voltage
0x7c - Odometer 1
0x7d - Odometer 2
0x7e - Speed
0x7f - TX Voltage

goebish wrote: The protocol should be in the nightly builds soon, if nobody objects
github.com/DeviationTX/deviation/pull/50

@goebish has this been done yet please?

Excellent thanks !

Tnx Goebish for your work!

After I rewired my A7105 module and build an awesome handcrafted 2.4ghz dipole antenna from some Coax.
I seem to have zero range issues for at least a couple 100 feet!
I used the old wiring for my A7105 chip, and I can recommend everyone to change this to the new wiring as I believe this enables the power amplifier that is build into most DIY A7105 chips.

I have two youtube video's on my youtube video that show, that with the old wiring I had 50M range at most, and with my new wiring Im not noticing any issues as you can tell from the footage.
I've also installed a 1000uF 6V capacitor on the + and - of the chip I believe this might help a tiny bit.

I've build a simple dipole antenna RP-SMA following Wild mania's instructions that he got from old radio frequency school books from I believe russia. anyway the business end is just 29MM and it seems to work very great. He takes in account a certain shortening factor and this increases range for thicker wire antenna's search for him on youtube!

here is my quick demo flight showing that the protocol is super great and that I can now fly High performance quads with 10 euro receivers with my DEVO 7E!!!! YEAAAH


Have fun
Quick demo flight

Im using the TGY Ia6C receiver with BETAFLIGHT and SBUS! I recommend it to everyone that doesn't need PWM and wants to save space
Tnx to goebish im saving allot of money!

Can you confirm you have Vbat Rx and Vbat Lipo monitoring with the IA6C?