Bob Cassette Rewinder :: Hacking Detergent DRM

by Volker Weber

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Bob Cassette is an all-in-one detergent cartridge for the Bob dishwasher. It only lasts 30 washes, after which you will need to buy a new one for quite a bit of money.

An EEPROM memory chip inside the cassette tracks how many washes are left. With Bob Rewinder, it can reset the count back to full, and you can then easily refill the cassette with commerical detergents for massively reduced operating cost.

In my case, the cost-per-wash went down from 48p (67c) to 0.8p (1.1c), a staggering 98% cost saving!

Daan has lifted the old expensive-fluid-in-a-cartridge scheme from inkjet printers and applied it to a cute dishwasher. But there is a solution.

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Comments

Ich bin vermutlich Old School, für so eine Mini-Spülmaschine sehe ich keinen Use Case solange ich per Hand Geschirr abspülen kann.
Dann noch mit Kartuschen wir im Drucker und Internet-Verbindung.
Immerhin, ein nettes Projekt des Re-Engineerings wird beschrieben, das Produkt wird vermutlich auf Dauer ein ähnlicher Fall wie der "frisch" gepresste Orangensaft auf Abo.

Bernhard Kockoth, 2021-05-04

Ich dachte, es wäre ein verspäteter Aprilscherz ...

John Keys, 2021-05-04

Sehr nett geschrieben. Kann man auch als ein Beispiel-Projekt für Reverse Engineering benutzen :-)

Ulf Jaehrig, 2021-05-05

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I explain difficult concepts in simple ways. For free, and for money. Clue procurement and bullshit detection.

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