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Feb 13, 2020, 08:55 AM
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Multi Module URUAV TMX5 Lite install Bootloader

Here I show how to update the Multi Module URUAV TMX5 and TMX5-Lite and install the bootloader. Later you can update the module with the Taranis transmitter via OpenTX. The Multi Modules are perfect if you have the new Q X7 ACCESS or X9 Lite transmitter to control FrSky D8, Flysky, DSMX and other receivers.

Video Multi Module URUAV TMX5 Lite update with Bootloader (DE with EN subtitle)
Multiprotokoll Modul URUAV TMX5 Lite aktualisieren mit Bootloader (3 min 47 sec)

Multi-Module Firmware

Flash Multi Program

URUAV TMX5 4 IN 1 Multi Module
The TMX5 is the same as the iRangeX iRX4 Plus multiprotocol module. The module is suitable for the Taranis or Turnigy 9XR, Flysky TH9X, Futaba S-FHSS. With the IRX4 you can control almost all receivers like DSMX, FrSky, Flysky, Futaba, DEVO and all quadcopters fly whether like Eachine E010, E011, JJRC H36, Hubsan, Syma.

URUAV TMX5 Lite 4 IN 1 Multi Module
This is the multiprotocol module for Taranis X-Lite, X-Lite Pro, X9 Lite. Support almost all protocols like FrSky D8, D16, DSMX, Flysky, BAYANG and much more.

FT232RL FTDI USB To TTL Serial Converter Adapter Module For Arduino
This adapter is required to program a Flysky i6 transmitter or iRX4 multiprotocol module (Flashing)
Banggood -
Amazon -

FrSky Taranis X9 Lite S
Banggood -
The very good compact Taranis X9 Lite S with Hall Sensor Gimbals from FrSky. Runs great with CrossFire.

Jumper JP4IN1 Multi Protokoll Modul
Banggood -
Multi protocol module which is guaranteed to be 100% compatible with OpenTX 3.2.4 and can be loaded with new firmware via OpenTX.

Banggood Valentine-Day Coupon: BGVDay10%off

Picture 2 - TMX5 Lite on the FrSky Taranis X9 Lite S

Picture 3 - Old firmware 12.0.20 on the TMX5 that has no bootloader.

Picture 4 - The module must be opened

Picture 5 - The TMX5 lite board that has no RF shielding.

Picture 6 - This is how the FTDI adapter is connected to TMX5 Lite. Then you can load the new firmware with the bootloader via USB and the Multi Flash program

Picture 8 - TMX5 module for the large shaft of FrSky Taranis Q X7 or X9D Plus

Picture 9 - Here is the serial connection for firmware update on the TMX5

Picture 10 - This is how FTDI adapter is connected to TMX5

Picture 11 - It worked, the boot loader was installed on TMX5 with the Multi Flash program.

Picture 12 - The firmware update did not work for me, but the bootloader works.

Picture 13 - Write the new firmware on the TMX5 Lite module with my Taranis X9 Lite S.

Picture 14 - Great, the new firmware is now on the multi module and can be updated at any time simply by transmitter.

Picture 15 - This is what the JM4in1 jumper looks like on the inside. Exemplary with RF shielding

Picture 16 - The Jumper JM4in1 module can be updated directly with the new firmware, since a bootloader already exists here.
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