Catching up on finalizing and listing some of my design/product ideas -- this one has been in the queue for some time. A static setup like this can make capturing QR frames with your laptop a breeze. 🧡
I've been working on this for the last several days; it is easily my favorite signer enclosure of the ones I've created in terms of the aesthetics, the form factor, and the usability of the controls. Read on if you'd like a little "inside baseball" on this design. 👇
I heavily borrowed from the compact "Push Case" that kayth21 shared in the nostr:npub17tyke9lkgxd98ruyeul6wt3pj3s9uxzgp9hxu5tsenjmweue6sqq4y3mgl github repo (https://github.com/SeedSigner/seedsigner/tree/dev/enclosures/pushcase) and of course have to credit nostr:npub1dqepr0g4t3ahvnjtnxazvws4rkqjpxl854n29wcew8wph0fmw90qlsmmgt for the idea to incorporate Nintendo-themed design elements (Black Coffee created a similar design a few years ago that was available for purchase for a brief period of time, and is still frequently asked about).
Kayth really refined the idea of a fixed-position thumbstick topper in his push case design, as well as masterfully handled board spacing and the microSD card port. His button design is also very clever, with the lower button covers fitting around the circuit board buttons. Because of the fine tolerances between the components, I had to make some adjustments for the parts to render properly on my printers, and also modified his clamshell-style assembly to work with my drop-in approach.
The DPAD topper works surprisingly quite well, especially for an FDM-printed part. The right button stack are snug with hardly any play. The memory card can no longer get lost inside the enclosure and can still be grasped with your fingers for removal. And Kayth's handling of the camera holds it perfectly centered in its respective port. This is also the first time I've offered a protective case with a printed-signer, and the grey/red color combo makes for a great initial presentation.
I'll eventually also be offering a non-themed version in different colors but wanted to get this one out there immediately because it made me think of Christmas mornings when I was a kid. I was 8 years old when the original 8-bit Nintendo became available in the states, and spent many hours at a friend's house in front of a huge console TV playing the original Super Mario Brothers, before getting a system of my own a year or so later.
Designers inevitably leave little bits of themselves in their work, and I'm particularly proud of this model. ❤️🩶🖤
You can find this signer available for purchase in my store at https://btc-hardware-solutions.square.site/product/retro-gaming-themed-signer/I2OO557NA4S6CEKEJ57SXLC2
Mine has played through a couple of the newer ones as well. ❤️
I used to look up to many of these people too; having gotten even the smallest peak “behind the curtain“ in the bitcoin industry has been disheartening.
Influencers are constantly seeking to discover the next “new” thing, so that they can claim the clout that comes with having been early to a given thing. The projects and tools that have gone on quietly building for years, to develop and refine that initial prototype into a useful piece of infrastructure that a community can rely on, those teams are the real signal and unfortunately do not get the attention they deserve.
Ooooffff… and true.
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Attending a small event in São Paulo over the next few days coordinated by Lucas Ferreira and funded by the HRF to coordinate ongoing development of Stepan Snigirev’s embit bitcoin library AND facilitate collaboration among DIY signer/wallet projects (nostr:npub1specterwjwvm74fhyck2fh89z9ctu9uq24u2aegerqkwud0yyxtqtr4qw2 DIY, Krux, & nostr:npub17tyke9lkgxd98ruyeul6wt3pj3s9uxzgp9hxu5tsenjmweue6sqq4y3mgl). Am also excited to attend SatsConf here in Brazil this week. Will be sharing more on these events as I’m able. 🧡🚀
I believe they have written off air gapping as “security theater”.
Marketing claims and foil seals.
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Semisol is not the first individual specializing in secure element implementation to arrive at the conclusion that nostr:npub17tyke9lkgxd98ruyeul6wt3pj3s9uxzgp9hxu5tsenjmweue6sqq4y3mgl is one of the best approaches to private key management available.
Stateless, air-gapped DIY using commodity hardware & reproducible FOSS software is a legit security approach that mitigates the privacy leaks, supply chain risk, and other trust issues that accompany retail hardware wallets.
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But can she lick her eyeball?
đź‘€
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So excited to arrive at the finish line with this:
. Custom hat materially improves
nostr:npub17tyke9lkgxd98ruyeul6wt3pj3s9uxzgp9hxu5tsenjmweue6sqq4y3mgl user experience without changing security assurances
. $10 from each HAT split between our lead developer and lead maintainer
. HAT & enclosure designs will be open sourced
. No external investment or venture funds involved
The Waveshare display hat will also be perpetually supported for any users / builders who prefer it.
There were multiple shortcuts or alternative approaches that could have made this process quicker, easier, or more profitable but it was important to me to do this in what I felt was the right way.
https://btc-hardware-solutions.square.site/
This is an amazing playlist of tutorials, I only made it halfway through and learned a ton of useful stuff:
From what I can see, the overhangs don’t look too dramatic — it’s a lovely design.
If you accept sponsorship money from HWW companies that act aggressively towards open source projects...
AND aren’t sharing your podcast or conference platform with those building DIY/FOSS cold storage tools...
There's a question you should maybe be asking yourself.
🧡
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đź‘€
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