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Ringtail Security has a MAC prefix!
The time has finally come! With the development of new products (in particular those revolving around Ethernet), the need is growing for Ringtail Security to be able to create MAC addresses. I must admit this is something I've been dreaming about for the past 15 years. The IEEE SA In case you are not familiar, MAC addresses are created by manufacturers within specific ranges allocated by the Institute of Electrical and Electronics Engineers Standards Association (IEEE SA) Registration Authority. To be able to create such MAC addresses, manufacturers use a MAC prefix assigned by the IEEE SA. Ringtail Security's first block...
A keychain case for the Azban
I've been keeping my Azban in my wallet for over a year now. I must say I haven't been particularly careful with it - I just keep it in a small plastic ziploc bag in this pocket: However, it's held up fine so far - it still works perfectly and doesn't show any sign of damage. These are designed to withstand a bit of abuse. Regardless, I do know many are in fact concerned about carrying that raw PCB around. To be fully honest, I must also admit that the form factor can make it harder to insert/remove in certain...
A clip-on cover for the Netsplit
Is your Netsplit tearing up the pockets of your delicate suits while on assignment? Well, you are not alone! I must admit I have been experiencing the same issue myself. This prompted me to design a small cover for the back of the Netsplit - just enough to protect the exposed pins (or rather, protect your clothes from them). After a bit of playing around in Fusion 360, I had exactly what I wanted. I started from the actual PCB outline layer, which I exported as DXF - a format which can be easily imported in Fusion. Printing the result on...
Introducing Nautilus: a tiny USB UART with selectable 5V / 3.3V operation
For those unfamiliar, a USB UART is basically a "serial port" that can be added to a computer, exposing TX / RX lines for electronic communication with a target device. These come in handy for many uses, probably the most common of which is getting a debug shell on some embedded Linux system. Unfortunately, not all devices agree on the voltage level that should be used for such serial interfaces. Some devices are nice enough to "tolerate" a wide range of voltages, while some other less flexible ones simply fry up if you dare present them with an extra volt...
Skunk now includes a plastic case!
Recently I mentioned having worked on an updated version of the Skunk's 3D-printed case. After some thinking about it, I decided it would be better to actually include a print of the case with the Skunk itself. Why the change? Many of you don't own or have access to a 3D printer, and I started to feel it was unfair to some to only provide the STL files for printing yourself. 3D-printing details I tried a few filaments to find something that would look nice, print reliably and require no post-processing. Fillamentum's Crystal Clear Kiwi Green emerged as the...
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