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Roos

@roos@tooting.ch
mastodon 4.7.2
  • Open on tooting.ch

CTO at satoshi-connect.ch.
@bebop@tooting.ch ambassador.

I’m curious and passionate about free software, decentralized systems and decentralized finance. I’m interested in Haskell, Nix, Rust but also embedded systems, radio comm ops and the occasional math paper.

In my free time, I contribute to open source projects, promote blockchain-based solutions to real-world problems or study RF signals around me.

Salvadorian. I also *really* like trains :)

49 Followers
154 Following
11 Posts
Joined December 27, 2024
Callsign:
HB9IME
Open post
Roos @roos@tooting.ch
· 3w ago
Replying to @moschehaus@social.moschehaus.com

@moschehaus@social.moschehaus.com Made some progress this we. Most of the setup works: Clone a repo, list the recipients used by the repo and import the age identities in the #yubikey #PIV on both #cosmic and #android both using #slint.

The critical paths now work, next up:

  • Decrypt using the key in the PIV.
  • Prompt to import keys during setup.
  • Prompt to import their SSH key for cloning.

The first release will be a read-only vault you can use to unlock and audit secrets.

#Clav #passwordmanager

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Open post
Roos @roos@tooting.ch
· 4w ago
I set out last week to replace my #passwordmanager #gopass. My requirements: keys live on my #yubikey, unlocking one secret doesn't expose the whole vault, native #Wayland UX, per secret fingerprint/pin policy. Survey: severely lacking. I was not looking for a project, but the #linux desktop really needs this. To stay motivated I raised the bar: native #cosmic and #android too, learning #slint on the way. Not a webview. Secrets done right: constant-time and zeroized. Now we're cooking on gas!
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Open post
Roos @roos@tooting.ch
· 5mo ago

Mythbusters vibes :)

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Open post
Roos @roos@tooting.ch
· 11mo ago
Replying to @roos@tooting.ch
Sent a #Bitcoin transaction over #meshtastic ✅ The transaction was made and signed using #sparrow wallet, basea85-encoded, sent using the contact TUI, received on the other end, decoded and broadcasted 📡 Thanks Ketominer for the talk and signing party! (Basea85 to make it fit in a single message.)
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Open post
Roos @roos@tooting.ch
· 5mo ago

Embedded development is such a pleasure in 2026.

I remember using eclipse in 2010, with "golden" BSPs you would never date to update. You had one shot at setting up **one** cross-compile toolchain and don't even think about using a different compiler version than the one specified by your vendor (or downloaded during install).

Now, simply specify the compiler in devenv.nix. Gone are the long hours of looking in the library documentation on how to use this untyped API.

#embedded #hamradio #sdr

Tooting.ch [Swiss instance]

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Open post
Roos @roos@tooting.ch
· 6mo ago
Replying to @laura@mastodon.laurakalbag.com
@laura@mastodon.laurakalbag.com thanks for sharing, learned quite a few things and tools for exploration! *And so Roos embarks on the “designing for your media” rabbit-hole*
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Open post
Roos @roos@tooting.ch
· 5mo ago

Hey @drakulix@social.dreampi.es!

I discovered that mapping a touch or pen input to an output is supported by cosmic-comp, but there's no UI for that in the cosmic-settings.

I need this setting when working with an external display with touch and stylus input and I think other people would appreciate this.

Does it make sense to add a section to cosmic-settings, next to the screen position settings that allows the user to map an input device to an output?

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Open post
Roos @roos@tooting.ch
· 1w ago
Replying to @q@glauca.space
@q@glauca.space :D How'd you get it? :D
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Open post
Roos @roos@tooting.ch
· 16mo ago
Replying to @maaikees@sw-development-is.social
@maaikees@sw-development-is.social coding is not the hardest part of making software. Understanding what to code is.
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Open post
Roos @roos@tooting.ch
· 3w ago
Replying to @der_heubi@zug.network
@der_heubi@zug.network out of curiosity, what UI/software is this? ^^
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