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Okay, so I managed to flash the R9 MM using that exact method, but then I needed to invert the uart in order for it to support the module that doesn't have the uninverted S.Port. I tried using the F4's softserial, but it looks like you cannot update firmware through it. At this point I'm starting to...

You don't want FPort! That is an enhanced SPort. The STK device is USB at one end and SPort connections at the other. SPort is a one wire, 5V, serial signaling system, so a "normal" USB to serial adapter doesn't work. I wasn't aware there was more than one version of the STK! Mike Do I ne...

Is the module the (older) ACCST version or the newer (2019) ACCESS version (which has 2019 printed on it)? If it is the 2019 version, then you will need to flash it with ACCST firmware. Mike Yes, I bought the 2019 version (R9M and R9MM combo). Looks like I can get both ACCESS and ACCST firmware on ...

So I just received the module and started testing the combo, but no options seem to do anything for the module (tried binding and range check, which should be indicated by green/red flashing lights), only the red light is on on the module and the green light flashes once when I turn the tx on. The s...

For the pots and gimbals, have you run calibration? For the switches and trims, please navigate to the "DiagSwtch" menu and see if they are responding there. Mike After restarting the radio today they seem to have started working. I tried calibration yesterday without success, but now eve...

Are you using companion to flash Er9x? I think you should use Eepe instead. Get it here: www.er9x.com João Tried both, didn't work with either one of them. I'm in the process of uploading the version stripped of the bootloader posted by MikeB on the tx and will report asap. OK, I've posted a versio...

I renamed PXX to XJT, before the R9M was created. Just select XJT protocol, with type R9M instead of D16 or D8. Mike Which firmware are we talking about here? Like I said in the other post (on a thread from another person talking about R9M in particular), I couldn't get the newer er9x to work, Open...

Yes, it always stops at pretty much the same point (at the same bit write attempt and always returns -116). As for the radio turning on, no, it just prints random dots on the LCD and beeps randomly and sometimes doesn't even turn on. Also after this, all the flash attempts fail, so I needed to do a ...

I have a similair issue and this is the AVRDUDE output I'm getting: ================================================================================= Started AVRDUDE C:/Program Files (x86)/eePe/avrdude.exe -c usbtiny -p m128 -P usb -U flash:w:E:/PATH_TO_FILES/er9x-128.hex:i =========================...

So a few hours ago I found out that I can flash my old Turnigy 9XR with a newer version of pretty much the same firmware that was shipped with this tx stock, but quickly realized that I can no longer select the PXX protocol in the model options. Is it possible to enable this somewhere in the options...