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Hacking a laundry machine in one day (SLE4442) - Limpkin's blog. Before starting this article, I first have to say that I won't publish all the information required to perform this manipulation, due to the obvious legal aspects of it.
However, I will explain in details the security of this particular laundry machine, without showing any picture that would help you know which one it is: Let's start. First step, understand what we are up against. How? Well, the laundry machine is in a quiet place, with practically nobody passing by... so let's open it. In the machine, we see two main PCBs. Luckily, the card socket has its part number visible, allowing us to find its pinout. Anyway, what is a smartcard? . Back to the security PCB. However, this didn't work, as the C6 pad line was not connected between the card and socket contacts.
With a standard 2.54mm 8 pins header & socket, we managed to create a 'port extension': From there on, sniffing the traffic was very easy. Leiterplatten Prototypen & Platinen vom PCB-POOL. CircuitLab - online schematic editor & circuit simulator. Kicad. All the material present in this page is covered by your choice of either Creative Commons license v3.0, Attribution-Share Alike or GPLv3 or later.
I do not ask anything for my work on the libraries. However, since somebody asked, here are some addresses you can send to: Part 1: Mac OS + Eclipse + OpenOCD + STM32 (ARM Cortex M3) Intro I really wanted to program and debug ARM processors from my Mac.
This series of entries is a work in progress as I fine tune my setup for regular use. Be sure to read the full story: Part 1: Getting Started, what we are going to do and what parts we are going to use.Part 2: Laying the Foundation, getting all the parts installed.Part 3: Connecting the Plumbing, hook up all the pieces and run it.Part 4: Finishing Touches, troubleshooting and final thoughts. My motivation: I am an electrical engineer that uses a Mac. It's a long story, but now that I'm here I'd rather not switch operating systems via Boot Camp multiple times per day. Free or Opensource Software.
PCB design guidelines. Seeed Studio Bazaar, Boost ideas, extend the reach. News - SparkFun Electronics. Eurocircuits. OLIMEX LTD ARDUINO MAPLE PINGUINO ARM AVR MAXQ MSP430 PIC LOW COST DEVELOPMENT BOARDS. ISO7816 Standard Overview. Most of ISO7816 3 is important for reader manufacturers or developers who want to establish a communication with a smart card on a very low level, the signal level.
Going through ISO 7816-3 you will see what's involved in writing your own I/O software. This can be either to communicate from a microcontroller or a PC's serial/parallel/USB/PCMCIA port. Even if you don't go that far, it is quite interesting to read about what you can get out of an Answer to Reset (ATR). 2.3.1) Electrical Signals Description: I/O : Input or Output for serial data to the integrated circuit inside the card. ISO-7816 smartcard interface for Arduino » The Lair of Mako. Hmmmm.
Kinda got distracted and didn’t post as much as I should’ve. Anyway, the next thing is an ISO-7816 smartcard interface based on the Arduino. What is it? This Arduino sketch lets you talk to some ISO-7816 smartcards that use the T=0 protocol at the usual baudrate and with the direct convention – in other words, quite a lot of them. In particular, it lets you speak to smartcards you’ve developed yourself using the open source SOSSE framework. An Online Opensource Robot and Hardware Shop. KiCad EDA Software Suite - Kicad EDA - KiCad EDA. KiCad is an EDA software suite for the creation of professional schematics and printed circuit boards up to 32 copper layers with additional technical layers.
KiCad runs on Windows, Linux and Apple OS X and is released under the open-source GNU GPL v2 free of charge. If you like KiCad or are making a good living using KiCad in your toolset, you should consider donating funds used for development. CERN has put up a place to collect donations which will be used directly to support a developer. With KiCad you can create schematic diagrams and printed circuit board up to 32 copper layers. KiCad comes with a rich set of libraries with 3D models as well.KiCad is a mature EDA software tool under active development by a team of developers and a vibrant user group. Eeschema, schematic editor.Pcbnew, printed circuit board editor, with a 3D viewer.Gerbview, Gerber file viewer. PCB Manufacturer - Multi Circuit Boards.