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Sum Dum Gai on Hacking the Tassimo - Part 2: Breaking the Code
Chris,Thanks for the pointers the the T-Disc sellers. I guess I a better deal than I thought. I can buy t-discs at Bed, Bath and Beyond using their 20% off coupons (sent every three days, in sunday...
View ArticleAndreas Happel on Hacking the Tassimo - Part 2: Breaking the Code
Ok, I thought you would have the same problem I had in the beginning. The T-Disc was’t discharged well, ie. a lot chocolate remained in the disc and the beverage tasted bad.A tip someone gave to me...
View ArticleChris Chapman on Hacking the Tassimo - Part 2: Breaking the Code
@Andreas - it doesn't have the right amount of water or froth, producing a beverage that here in Canada, every kid would recognize as "hockey rink hot chocolate", ie. tastes cheap.
View ArticleAndreas Happel on Hacking the Tassimo - Part 2: Breaking the Code
@Chris,in which way do you mean the hot chocolate isn’t brewed correctly?Andreas
View ArticleChris Chapman on Hacking the Tassimo - Part 2: Breaking the Code
@Sum: You're not alone - there are a number of folks out there wondering the same thing. My intent here is to discover what makes the Tassimo "tick", and how to tinker with the programs of beverages to...
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Sum Dum Gai on Hacking the Tassimo - Part 2: Breaking the Code
All of this is really fun stuff. I often wondered how configurable the Tasimo is using those bar codes. I really worry that one day the reader will malfunction and I'll have no coffee!What I really...
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Chris Chapman on Hacking the Tassimo - Part 2: Breaking the Code
@James: Thanks very much for these insights - it sounds like you have perhaps the best grasp on the material at hand, some might say too good... To be certain, the patent was a starting point to begin...
View ArticleJames McCafferty on Hacking the Tassimo - Part 2: Breaking the Code
Chris,Patent documents do NOT contain precise, real-world specifications for an invention. Patent documents do not serve to reveal trade secrets. Rather, they exist to present ONLY as much information...
View ArticleChris Chapman on Hacking the Tassimo - Part 2: Breaking the Code
@Andreas: Thanks so much for your contribution! I'm getting enough here that I'm seriously thinking of setting up a wiki to gather this all together...Some quick comments on your notes:* First, thanks...
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Andreas Happel on Hacking the Tassimo - Part 2: Breaking the Code
Hello, I’m from Germany and own and I own a Tassimo for two years now.Since the very first day I have been very curious about the Tassimo's barcode and scanner.I was aware of the facts, the the...
View ArticleChris Chapman on Hacking the Tassimo - Part 2: Breaking the Code
@Brandon: Thanks for the effort - very much appreciated to have more (and less tired) eyes than mine reviewing this. As you point out, while we can get most of the programs to align on "1101", it's...
View ArticleBrandon Siegel on Hacking the Tassimo - Part 2: Breaking the Code
Taking S1-S5 as the binary data, the three drinks which have the same beverage volume (250ml) share the same 4-bit binary sequence in only one place:columbian64226 2111110 1011 100010BV 1101cafe...
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Chris Chapman on Hacking the Tassimo - Part 2: Breaking the Code
... And the temperature is off for the Crema program, too! Columbian seems about right...
View ArticleChris Chapman on Hacking the Tassimo - Part 2: Breaking the Code
@Hargobind: Brilliant! By coincidence, I was also working on a theory of one of the digits being a checksum - I had a hunch that the six digit code was actually a form of zero-compressed UPC-E that...
View ArticleHargobind Khalsa on Hacking the Tassimo - Part 2: Breaking the Code
Sorry about that...Also, it doesn't seem to me to be a coincidence that the remaining five values never go above: 65536 or 2^16... So, I'm guessing that the remaining five digits convert directly to...
View ArticleHargobind Khalsa on Hacking the Tassimo - Part 2: Breaking the Code
First off, I'm almost certain that S6 from the first article is a standard checksum used by 2 of 5. When putting just S1-S5 into a barcode app and telling it to add the checksum number the proper S6 is...
View ArticleChris Chapman on Hacking the Tassimo - Part 2: Breaking the Code
@Tim: I applaud your initiative - that's pretty much what you can expect, and to a certain extent they're right to protect their intellectual property. That doesn't mean we can't have some fun poking...
View ArticleTim Nowaczyk on Hacking the Tassimo - Part 2: Breaking the Code
I just received the following email from Tassimo customer service and was about to do a patent search when I noticed you had a part 2 on your blog. Good Job!Me: Do you have a specification document for...
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