• Reverse Engineering

    Old school EPROM firmware dumping

    A few years ago, I managed to get hold of something I only barely knew as a Wersi MK1, an extremely rare West-German synth from 1986. The MK1 faded into obscurity due to its notoriously difficult interface, bad marketing and manufacturer bankruptcies. But in fact, it was one of the first incredibly well engineered digital…

  • Hardware

    Quick ‘n dirty 2 minute PCI-Express PCB

    For those of you who would like to see some simple PCB design in action, read on! I did a quick $5.00 PCB design job yesterday for a hardware project I am currently working on, and made a quick timelapse video for whoever’s interested in seeing how the design process in Cadence Allegro works. Since I’m a…

  • Hardware

    Extreme phase shifting 101

    As part of a high-tech hardware project I have been working on I have lately been diving into the area of clock signals. Now books have been written on the subject of clocks, clock distribution, clock skew, clock gating, and much more things involving the word ‘clock’, but my specific problem was a little unusual….

  • Embedded, Programming

    Getting Started With The GA144 And ArrayForth

    The GA144 chip by GreenArrays is unique in several ways: It has 144, 18-bit cores. It is asynchronous, so there is no clock. It is programmed in Forth, and GreenArrays provides colorForth, a version of arrayForth specifically for the GA144. Even though there is adequate documentation, getting started with this chip can still be quite…

  • Reverse Engineering

    How to quickly rip apart a UEFI firmware

    Imagine this. It’s been a couple of months since you upgraded your trusty laptop with a good old SSD, the speed is fair but there’s just something wrong. Hibernation is taking ages, but why? You rip your firmware apart and find out they’ve crippled your S-ATA controller.. Enter the Panasonic Toughbook CF-19 MK3, one of…

Who are we?

We are a collective of people with different backgrounds and a shared interest in the outskirts of technology.

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