“With the simple EEPROM chip, standard 0.1 inch contact spacing, one-byte counter, and no error checking, it sure seems Daan Tech didn’t really try very hard!”
A countertop dishwasher that only takes its maker’s detergent cassettes, at £43 for 90 washes. The DRM is a cheap EEPROM with a one-byte wash counter. Reset the counter, refill with ordinary detergent, and the cost drops to a sixtieth. The dishwasher was the bait. The cassette was the business model.