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Although this is where the Pyra is niche: I *have* to leave my laptop unattended in lots of places, because it's usually charging, and doesn't fit in any of my pockets. The Pyra's portability is a physical security feature in itself.

I think a few duplicate preorders have had to be manually cancelled, like where someone intended to do a bank transfer but then changed to another payment method or something.

If you can boot from an SD card you trust, yes you could use that to read the internal eMMC, verify checksums and reflash if necessary. That may be the best defence the Pyra offers against "evil maid", and that is a way easier procedure than with most laptops, which unconditionally boot from...

Passphrases are quite useless already. For authentication, we've been moving toward Elliptic Curve, but it may be broken post-QC, and we widely use RSA, which might be broken even sooner. If you want to see some ideas for post-QC strong algorithms, you could look at...

People will draw that line in different places. I'm not suggesting people buy a Pyra then cripple it. I'm trying to figure out how easily it can be adapted for particular needs, because some people's security needs or desires will be greater than yours. Some might like to have location...

I don't mean to nitpick, guys. but x is the glyph for Latin script lowercase letter X. To be typographically correct, you should use the multiply symbol or dimension sign: ×

Hi! A few questions about the security (or potential trustworthiness) of the hardware itself. Much of this is probably not possible, but I'm just trying to get some ideas: 1. is the START button attached to one of OMAP5's SYSBOOT[3:0] pins - holding that button at power-on boots the MLO from...

Ah that wouldn't work, as when you let go of the brightness button, whatever controls the volume will notice that the wheel has moved... it could be used for only one function at a time. Yes, volume makes the most sense for most people, but there may be other creative uses for it.

It's probably worth it, for the convenience of using it just once, with a prepaid SIM picked up while travelling somewhere. 3G would be good enough for my needs, but may as well future-proof the devices by supporting 4G - I expect to be still using it in many years, it won't be thrown away and...

Yeah, that should just work, without any special handling, if it's as described above. To react to changes, something must constantly poll the ADC anyway to get the current position of the potentiometer. If the Pyra was powered off/on or suspended, it would notice a change in position...

Ah, thanks. So it has end stops and adjusts some potentiometer? So as @bukkit says it comes down to the ADC's resolution as to how many volume steps there can be. Even 8 bits would be a luxury, and much finer-grained than a rotary encoder.

It looks to me like a rotary encoder, maybe without end-stops; meaning it just issues vol-up/down commands and you could probably customise how big a step you want and how low a volume you want to be possible? Just depends how sensitive it is to rotation and how much turning is comfortable...

Everyone has the option of increasing their down-payment, I think, by buying a 200EUR gift card. I've already done that, in the hope it can help speed things up. https://www.dragonbox.de/en/200-200-eur-gift-card-gift-vouchers.html

The 596 preorders amount to almost a quarter of a million EUR, so let's hope so!

It almost looks like "Debian Red" http://www.dailytech.com/Microsoft+Preps+Lumia+730+SelfiePhone+Debian+Red+Firmware/article36366.htm except - this device really does run Debian :) I love the inlay idea now (I was confused what "inlet" people were talking about). Obviously it allows the user...

Now we do know, and there's no need to worry :) https://pyra-handheld.com/boards/threads/additional-questions-suggestions-to-help-generate-more-pre-orders.77370/page-3#post-1378083

*Iff* there's no money to buy 500 EU and 500 US chips all together, then yes I think it makes sense to sell a batch of 500 EU units and some non-mobile units. Once they are fully paid for, the profit should allow to buy 500 US chips before there are 500 US preorders. I just hope the lead time...

I imagine it probably working like this: 1000 mainboards will be ordered as soon as affordable 500 preorders (currently at 407) for mobile version *any region*, could pay for 500 PLS8-E chips (which have the most demand) when enough of those (and non-mobile versions) have sold, the profit from...

These are most useful when you need to sample inputs very fast, like an oscilloscope or logic analyser does, or odometer attached to a bicycle wheel. They can usually read a portion of system RAM and use it to generate complex output, like a video signal. Or respond quickly inputs by changing...