Laundry Hack – How to Hack the Laundry Card Machine!

This is probably illegal but for those of you who like tinkering around, you might just want to hack your laundry card machine so you can decide how much to put on it.   Hey, this could be helpful for those of you who have lost jobs and struggling to even put meals on the table.   Let’s just say if you are doing that bad, perhaps this hack will help you get some free laundry done.

*Note – We don’t condone any illegal hacking here at Zedomax.com, this is for purely informational purposes only!  Don’t call/blame us if you end up in jail!

To inject the signal, I used the “Bus pirate” (BP) and to verify that the injected signal was correct, I used the OpenBench Logic Analyzer (OLA). The BP is a cool piece of hardware, because there is an interpreter that will help you to send the correct signal with the correct synchronization, so no need to write a program for it. Since I was not mastering it, I used the OLA to make sure the signal was correct. According to the datasheet, the sequence to send is 0y110 + 6 bit address. After some trial and error, I finally was able to dump the whole memory, by sending something like the following command in raw3wire mode, 5V:

via hackaday, Project Page

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