Viewing profile — k0ngo

I guess I shouldn’t be surprised, but still fun to see that they’re apparently using an ESP32 as management processor (without antenna, probably just RMII directly to the switch AS…

Yeah, looks like it :( I read out the patch data from two LPC55S69 I have at hand, and... MCU Date Code: 2019-07-20: 11/16 slots used 2019-11-05: 14/16 slots used

Why can't NXP use the ROM patch mechanism (which was the cause of the previous vulnerability) to fix this? Was that all in vain?

This is very similar to the OtterCast, which is an open source and open hardware Chromecast replacement. Overview: https://cast.otter.jetzt/ Sources: https://github.com/Ottercast T…

I'm a big fan of Fabrice Bellard, but there are other eNB and UE implementations that are fully open source, like OpenAirInterface[1] and srsLTE[2] [1] http://www.openairinterface.…

The article doesn't mention it, but I think Fabrice Bellards PoC [1], in which he generated a valid DVB-T and PAL/SECAM carriers using a graphics card (2005), is very elegant and h…

I'd expect scp to detect (using argv[0]) that it is called through a symlink and behave as rcp, not scp. This is how busybox is implemented, with many programs in one binary.

I like the idea, but unfortunately PCIe isn't easy or cheap to implement on silicon. The problem is that you'd need the PHY, which is the high speed, analog interface, and that nee…

Just as a software compilation flow is devided into preprocessing, compilation, assembly, and linking, a HDL flow is divided into synthesis, mapping, place and route, timing analys…

> On a different note, why is that (as far as non-expert me knows) that nice mics often have eq settings? Is this not a blatant layer violation? The low-frequency/subsonic content …

This. It is also important to note that you may interrupt the service of other people's handsets even if your BTS doesn't allow them to connect, just by operating your SDR with an …

Yes, Point will perform all processing in the device and only send events with time stamps, as well as plain sensor readings for temperature/humidity/etc. It should be easy to veri…

If the power goes out or the router gets funky, most internet connected solutions would go offline anyway. But, being battery powered, Point would at least still be active and keep…

I wouldn't call it hubris when we're saying that we know of these aspects, consider them our most important design constraints and do our very best to address them. Not being a nat…

That would require breaking the firmware encryption and signing schemes of multiple physically isolated processors, and even then it would be limited by the power budget, meaning t…

Yep, the sound analysis is done on the device. We're working with IFTTT and others on integration, and there'll be an open API as well.

We're using plain batteries and wifi to avoid using cables, thus making it much easier and elegant to install. That also means the device is completely self-contained, so you don't…

The device is configured wirelessly using the smartphone app. It'll queue the events and measurements if your wifi is down, but I see that it will be hard for you to use if you alw…

Form engineer here. We're not planning on shipping our firmware signing keys along with our product like Belkin did. Jokes aside, security, integrity and trust are our very top pri…

Is it just me, or isn't "BareMetal OS" an oxymoron? I guess it sounds cool, but taking an established term and use it as a name for the exactly opposite seems confusing to me. Plea…

The good news are that CERN has adopted KiCAD for it's open hardware platform and are actively developing it, adding some cool features which may make it more on par with commercia…