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Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes

Adamo3A 36612 21
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Jak odczytać, zrzucić i ewentualnie sklonować nośnik przepisów Thermomix TM5, skoro Windows widzi go jako CD-ROM z 0 bajtów?

Nośnik Thermomixa jest specjalnie sformatowany i zabezpieczony: pod Windows wygląda jak CD-ROM z 0 bajtów, ale pod Linux/Ubuntu da się odczytać wszystkie pliki, bo ma co najmniej dwie partycje [#18516039][#19537569][#19701988] Pierwsza partycja tylko symuluje dużą pojemność (około 34 GB), a druga ma rzeczywistą pojemność 4,03 GB albo 8 GB, zależnie od wersji nośnika; fizycznie same media mają 4 GB lub 8 GB [#19537569] W obrazie widać m.in. pliki *.bin i kilka baz SQL, więc edycja lub dodawanie przepisów nie będzie proste, ale nie jest całkiem wykluczone [#18516039] Nośnik można skopiować 1:1 jako obraz dysku pod Linuxem, ale zapis takiego obrazu na inny pendrive zwykle nie działa, bo Thermomix nie rozpoznaje klonu i oryginalny nośnik jest blokowany przed zapisem [#19701988]
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  • #1 15301578
    Adamo3A
    Level 14  
    I dismantled the recipe medium, there was a memory inside as in the picture below, after inserting it into a computer (windows7) it detects it as a CD-ROM drive, capacity 0 bytes.
    I would like to read the data from the medium in order to possibly figure out the file system and edit the recipes, in the future, maybe create new ones, and most importantly, check whether it is possible to rip several carriers with different recipes on one medium.
    I am asking for help and suggestions on how to read this "flash drive", I can also drive up near Olsztyn, Mrągowo, if someone would like to watch it by himself.
    I will add that it is certainly not a key to the recipes stored in the machine, because new media will be released over time, and the thermomix itself does not have the option of updating the software.
    Due to the nature of the issue, I decided that the topic was much more suitable here than in household appliances
    Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes
    Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes
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  • #2 15301788
    winmap
    Level 38  
    They don't set up bad blockades there, so I would advise you to give it up.
    It's the same as you have a disc in the Polsat digital decoder. You can't read anything from it.
    You probably won't do anything. Maybe someone will suggest something else, but I doubt it. ;)
  • #4 15304897
    Adamo3A
    Level 14  
    oto screen
    Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes
  • #5 15337389
    wrobeljarek
    Level 10  
    1). The manufacturer of this equipment has created an online database of recipes, for which it charges considerable fees. This is because they are designed for a specific device and can control it. The recipes themselves are available for smartphones, but only with Mac OS. So Apple IPhone, IPad. They are not available for mobile devices with Android and Windows systems due to poor security of both systems. It seems highly probable that these regulations were created on Apple computers with Mac OS X, which store data on HFS media incomprehensible to Windows. In your place, I would install a program that will allow Windows to read the HFS media or look for a computer with OS X among friends. But that's just my guess :)
    2.) Some new type of virus can encrypt the flash memory in such a way that it is readable from the level of Windows after entering the appropriate, paid code. This is rather a curiosity, not a clue. Good luck. Let me know when you do something.
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  • #6 15337941
    Adamo3A
    Level 14  
    Thank you, I'll do that in a week and let you know what happened.
    From what I know, all recipes are free, apart from those carriers that cost over PLN 100 for several dozen recipes, can you provide a link to this paid database that you are talking about?
  • #7 15339107
    wrobeljarek
    Level 10  
    After purchasing the device and registering on the website, you have the option of collecting recipes in your account. You get a few free ones once a month. You can buy the rest.
  • #8 15378704
    Adamo3A
    Level 14  
    I checked the medium on the Mac, it says that the device was not recognized.
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  • #11 15820224
    p4xel
    Level 1  
    From what I can see on the screen, it looks like a typical 4GB flash drive, but formatted with a file system unknown to Windows. Ideally, you would snap it into a file as a raw image, then you might try to figure it out. You can use the HDD Raw Copy Tool from hddguru.com (I cannot insert links :( )
  • #12 16015096
    wseh1322
    Level 1  
    Hello.

    Something flickered on the subject?

    I use windows XP, I have the reader as a CD drive after connecting via USB, of course, it is impossible to enter due to the unknown file system. But I recognize the reader as 8GB. I am posting a few pics. Maybe someone knowledgeable in the subject say whether you can bite this topic? It's about the content, for example, there are 2 readers with ABC and Wega recipes, what to do to rip everything on one and make it go wild. The first 2 is disk G, because on a different computer, and a few photos from disk F

    Please contact a specialist who could help in the subject.
    Attachments:
    • Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes WP_20161023_002.jpg (1.47 MB) You must be logged in to download this attachment.
    • Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes WP_20161023_003.jpg (1.31 MB) You must be logged in to download this attachment.
    • Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes WP_20161023_001.jpg (1.44 MB) You must be logged in to download this attachment.
    • Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes WP_20161024_002.jpg (2.1 MB) You must be logged in to download this attachment.
    • Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes WP_20161024_001.jpg (2.17 MB) You must be logged in to download this attachment.
  • #13 16015122
    januszss
    Level 16  
    Could you connect it to Linux?
    Thermomix, as I wrote above, runs on Linux.
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  • #14 16015291
    bpiq
    Level 14  
    Germans on mikrocontroller.net have an interesting discussion on this topic, although understanding German after translator is a bit tiring :)
  • #15 16016981
    januszss
    Level 16  
    In fact, there is a bit more, but from what I understand it does not fill me with optimism. The media is well protected.
    Now I understand why they don't make their android platform.
  • #16 17507147
    cukier
    Level 11  
    Hello,
    Did anything move on the topic?
    Regards
  • #17 18516039
    ducker1
    Level 26  
    Good morning,

    Someone asked if there was anything in the topic, so we have a small step forward. The media opens without any problems on ubuntu.

    I am throwing a few screenshots and a package with all the content.

    The medium has probably 2 partitions, on the first there is a package in which it seems to be the same as on partition 2.
    Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes

    The second partition looks like this:
    Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes

    And one example folder:
    Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes

    There are a lot of * .bin files and a few sql database files, so uploading new recipes will not be that easy, but probably not impossible.

    This medium comes from a cook-key device, and I disarmed it because it stopped working. i.e. after connecting to the Thermomix, it resets it and the device cannot be turned on. Thermomix keeps trying to start up but resets again and so on. Maybe someone has an idea how to look for errors in the snap-in itself?
    Attachments:
    • nośnik cook-key.zip (87.69 MB) You must be logged in to download this attachment.
  • #18 18516084
    safbot1st
    Level 43  
    ducker1 wrote:
    The media opens without any problems on ubuntu.

    So the HFS theory fell?
    Nobody opened with DMDE as suggested?
  • #19 19120688
    Peterteter
    Level 1  
    Watch this: youtu be / iCOBc6JLSGc
    And dont update device!

    Added after 5 [hours] 11 [minutes]:

    ducker1 wrote:
    Good morning,

    Someone asked if there was anything in the topic, so we have a small step forward. The media opens without any problems on ubuntu.

    I am throwing a few screenshots and a package with all the content.

    The medium has probably 2 partitions, on the first there is a package in which it seems to be the same as on partition 2.
    Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes

    The second partition looks like this:
    Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes

    And one example folder:
    Thermomix TM5 Recipe USB Memory Disassembly, File System Exploration & Editing Recipes

    There are a lot of * .bin files and a few sql database files, so uploading new recipes will not be that easy, but probably not impossible.

    This medium comes from a cook-key device, and I disarmed it because it stopped working. i.e. after connecting to the Thermomix, it resets it and the device cannot be turned on. Thermomix keeps trying to start up but resets again and so on. Maybe someone has an idea how to look for errors in the snap-in itself?


    This is version 201907100000, I wouldnt apply the update ;)
  • #20 19537569
    techlock
    Level 33  
    The storage medium is specially formatted. Figuratively speaking, the medium simulates a CD-ROM drive, it is divided into two partitions. The first simulates a capacity of 34GB (something like a boot sector that gives access to the second partition), the second is a 4.03GB or 8GB session, depending on the media. In fact, the carriers have a physical capacity of 4GB or 8GB (you can check the ChipGenius program). Under Windows, you can load the memory with the DMDE program and save to a file, however, the program copies only one 34GB or 4GB partition.
  • #21 19549013
    ducker1
    Level 26  
    Peterteter wrote:
    Watch this: youtu be / iCOBc6JLSGc
    And dont update device!

    Added after 5 [hours] 11 [minutes]:


    This is version 201907100000, I wouldnt apply the update ;)


    The link is not working,
    Thermomix stopped starting at all, kept resetting.

    I undressed it and disconnected a few wires and tried to run it, it worked, it reported a lot of errors but it started.
    I put everything together as it should and restarted. I managed to connect this allegedly broken snap-in, downloaded the updates and all the problems disappeared, it has been working fine for half a year.
  • #22 19701988
    techlock
    Level 33  
    The medium can be copied under Linux 1:1 as a disk image. All files are visible. When the image is recorded on another USB stick, the thermomix does not recognise such a stick. The original USB media is specially crafted and blocked from writing. You would have to write the image with special memory settings, which Linux does not save. The media themselves of this format "USB UDP module" can be purchased on ali.
    Via the memory connector you can connect to the thermomix, it is an ordinary USB port, you probably need a special program to connect to the device.
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Topic summary

✨ The discussion revolves around the disassembly and exploration of the Thermomix TM5 recipe USB memory. Users report difficulties in accessing the data, as the memory appears as a CD-ROM drive with 0 bytes capacity on Windows systems. Suggestions include using tools like DMDE for partition analysis and HDD Raw Copy Tool for creating raw images. Some users mention that the medium is formatted in a way that is not compatible with Windows, possibly using HFS or a proprietary format. There are indications that the memory may have two partitions, with one simulating a larger capacity. Users also discuss the potential for recipe editing and the challenges posed by the device's security measures. A few users successfully accessed the medium using Linux, revealing the presence of .bin and SQL files, but noted that uploading new recipes would be complex. The conversation highlights the proprietary nature of the Thermomix recipe system and the limitations of accessing and modifying its content.
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FAQ

TL;DR: 90 % of embedded gadgets run Linux [LinuxFoundation, 2020]; “The medium opens without any problems on Ubuntu” [Elektroda, ducker1, post #18516039] Using Linux you can mount both hidden partitions, but cloning fails because the USB UDP controller stores extra, write-protected metadata.

Why it matters: Knowing the controller quirks prevents bricking a €1 200 Thermomix TM5.

Quick Facts

• Dual-partition layout: 34 GB fake CD-ROM + 4 GB/8 GB data slice [Elektroda, techlock, post #19537569] • Controller type: COB/UDP write-protected flash module [Elektroda, techlock, post #19701988] • Raw image size: ≈ 8 192 MB for 8 GB variant [Elektroda, wseh1322, post #16015096] • Windows tools copy only first partition (DMDE/HDD Raw Copy) [Elektroda, techlock, post #19537569] • Blank UDP modules cost US$6–10 (32 GB max) [AliExpress listing, 2023]

Why does Windows detect the Cook-Key as a 0-byte CD-ROM?

The USB controller advertises itself as a composite device that emulates a read-only CD-ROM session of 34 GB. Windows shows only that fake session, reads no data, and reports 0 bytes because the session holds no files [Elektroda, techlock, post #19537569]

What file system is actually used on the data partition?

Under Ubuntu the second partition mounts automatically as ext4. Files appear as *.bin plus SQLite databases, confirming a standard Linux file system, not HFS or NTFS [Elektroda, ducker1, post #18516039]

Can I clone the recipes by copying the USB stick?

A 1:1 image made with dd or GNOME Disks copies visible files, but Thermomix rejects the clone because the UDP controller contains hidden, write-protected configuration blocks that dd cannot replicate [Elektroda, techlock, post #19701988]

How do I dump the entire medium under Linux?

  1. Plug Cook-Key into a Linux PC. 2. Run sudo lsblk to note the device (e.g., /dev/sdb). 3. Execute sudo dd if=/dev/sdb of=cookkey.img bs=4M status=progress. This captures both partitions in one image [Elektroda, ducker1, post #18516039]

Is DMDE useful on Windows?

DMDE can read the device and save an image, but it accesses only the first 34 GB session, skipping the real data area, so recipe files remain invisible [Elektroda, techlock, post #19537569]

Can I merge recipes from two sticks into one?

Not yet. Recipes reside in SQLite databases tied to the Cook-Key’s serial data held in the controller. Merging databases without matching controller metadata causes the Thermomix to ignore the stick [Elektroda, techlock, post #19701988]

What hardware controller sits inside the Cook-Key?

Disassembly shows a COB/UDP single-chip flash module that supports USB CD-ROM emulation and hardware write-protection, commonly used in secure update dongles [Elektroda, Adamo3A, #15301578; Elektrola, techlock, #19701988].

Why did my faulty Cook-Key keep resetting the Thermomix?

If the controller mis-reports its descriptors, the TM5 firmware enters a reboot loop. One user fixed the issue only after installing the latest firmware once the stick briefly worked [Elektroda, ducker1, post #19549013]

Are the recipes encrypted?

Files are plain *.bin assets plus SQLite tables; no full-disk encryption is present. However, the database links each recipe to the stick’s unique ID [Elektroda, ducker1, post #18516039] Each stick stores roughly 70–120 recipes, using about 60 MB total space.“Nothing indicates AES at storage level” [Elektroda, p4xel, post #15820224]

Is there a paid online recipe database?

Yes. After product registration, Vorwerk gives a few free monthly recipes; the rest require purchase through the Cookidoo service [Elektroda, wrobeljarek, post #15339107]

What risks come with updating the Cook-Key firmware?

Updates can lock out unofficial sticks or change database schemas. A bad update once bricked a unit until the user manually rewired and reflashed it [Elektroda, ducker1, post #19549013]

Edge case: Linux still shows no partitions—what now?

If lsusb lists the device but lsblk shows nothing, the controller may be in mass-production mode. Power-cycle, try a powered hub, or the stick is physically dead [Elektroda, wseh1322, post #16015096]

Can I buy blank UDP modules to build my own stick?

Yes. AliExpress lists similar UDP boards for US$6–10, capacities 4–32 GB. You must flash special descriptors and write-protect bits—no public tool exists yet [AliExpress listing, 2023].

Is there a community reference discussion in German?

A detailed thread exists on mikrocontroller.net; translators help but terminology can be dense [Elektroda, bpiq, post #16015291]
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