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Traxxas TQ gen 1 #967
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I'd desolder that RF lid and grab some pictures of what is underneath |
Can't desolder, but i found this: https://fccid.io/XVE-SA09181/External-Photos/Modular-Pictures-1202329 |
We don't see anything anyway... Connect a logic analyzer on the 8 pins I've pointed out earlier. |
I have completed an initial acquisition, but only from the motherboard to the logic analyzer, excluding the RF module. What I did during the acquisition: Started with the radio turned off, CH1 and CH2 set to the middle position:
I will perform an acquisition with the RF module as soon as possible. This is the first time I'm using a logic analyzer, so I might have made some mistakes. I believe I have identified the ground pin, but I'm not sure which one is the clock pin. |
Please use logic 1.2.14 instead of 2.xx
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Far more better. On the file poweron: CH0=CLK, CH3=MOSI, CH5=SS and CH7=MISO. |
Normal packetsSOP 3C 37 CC 91 E2 F8 CC 91 . Is it constant? Set before reading the CYRF ID D8 AA 59 E6 44 FB so it could be constant.
Type: 02 normal packet? Bind packetsRF channel 04
Type: 2A bind packet? RX sends:
Type: 02 normal packet? After receiving from the RX switches to:
Type: 2A bind packet? RX sends:
Type: 02 normal packet? After receiving from the RX switches to:
Type: 02 normal packet? After some time switches to normal packets alternating on RF channels 0B and 34 |
CH1 is for steering, ch2 for throttle. PS: according to https://traxxas.com/support/parts/transmitters/Legacy-Transmitters this is TQ 1st gen, not pre TQ |
Please test the new protocol Traxxas/TQ1 available here: https://downloads.multi-module.org/latest-test/ |
Wow! Congratulations on the speed! |
Please try again, stupid mistake... At least I 've found one... |
Same problem, the receiver don't detect the radio |
I don't understand why it's not working... Please test v1.3.4.8 |
Same situation, tonight i will do some other test and some videos |
Note the time between turning on the radio and when the receiver "accept" the commands, maybe there is something? |
I have done another acquisition, maybe can be useful...
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Please test again. If it doesn't work then I have no idea why... |
Still no luck... :( |
I don't get it... |
no
yes
nothing... When i poweron the traxxas TX the led become solid green (before or after the 4 sec, it is the same).
yes
Just tried, nothing. Maybe my multimodule is fault? But it works with some dsm 2 1f rx... |
I'm getting really annoyed, never spent so much time... Is it possible to connect to the SPI on the RX side? |
It works! 🥳 |
Wow that's not too early. But now I need to understand why it works... We'll need to do some testing. |
Hi, I have an old Traxxas 2228 TX and a 2217 RX.
From this https://traxxas.com/support/Traxxas-TQi-Compatibility-Guide , I understood that it is different from the already implemented Traxxas TQ; indeed, the 2217 receiver doesn't bind to my multi-module (version 1.3.4.0).
I disassembled the radio:
I assume this is the real transmitter, right?
So, should I sniff this connection?
This is the back of the PCB, for reference:
Any suggestion?
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