kai mac dot org
Welcome to my little corner of the web! I'm an electronics/computery person living in London, UK.

This site is being served from a microcontroller and is stored on an SD card. It might go offline every now and then. More information about the site

Feel free to get in touch:

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  • memo 13 Oct 2025
    catching up on my guestbook after a year, thank you for leaving a msg back then! I love how funky yet minimal your site looks. Egregious selection of colors
  • Otter 3 Sep 2025
    Very very fun, I would be curious how many RPS this can handle.
  • Deffrin Joseph 3 Sep 2025
    great idea.
  • sven 3 Sep 2025
    Impressive work. Congrats!
  • ansgar 3 Sep 2025
    love this!
  • jack 3 Sep 2025
    Wow, I've been looking for an esp32 site for ages! And it's actually usable at low power, I'll try to do this some say
  • anon 3 Sep 2025
    it runs very well for a esp site :)
  • brook 11 Feb 2025
    it's a good site
  • alifeee 31 Jan 2025
    still the best
  • slYby 22 Dec 2024
    Hello Nice minimal site with true exemple of permacomputing! keep it running
older messages
  • aghdom 20 Nov 2024
    Love the concept! Subscribed to the feed, I hope that you will write more stuff this site soon!
  • egg 8 Oct 2024
    we approve
  • Javivi 4 Sep 2024
    This is so cool! Looking forward to hearing about it at EMF 2026! Also, let's bring back guestbooks on personal sites 🚀
  • Jonty 3 Sep 2024
    I insist that you give a talk about this at EMF 2026! Ping us. This easily wins best 2022 badge hack ...which I forgot to announce we were holding a competition for. @PeteM: Contact the badge team, comms channels listed here: https://badge.emfcamp.org/wiki/Main_Page
  • flbr 27 Aug 2024
    This is so cool! Definitely making me want to scavenge for a microcontroller i could do some tests with :>
  • lown 27 Aug 2024
    I love your site, it's so good! I did something similar once but the microcontroller was solar-powered, so very ephemeral.
  • Andy Piper 27 Aug 2024
    Nice work sticking it to big cloud and big tech!
  • Peter Kotrčka 27 Aug 2024
    Can't wait for the C version. Nerd points are waiting
  • amatecha 27 Aug 2024
    very cool! site loads fast and seems to work well. what a great idea! cheers :)
  • arden 21 Aug 2024
    Just saying hello! Love the minimalism
  • PeteM 20 Aug 2024
    Nice to see the Tidal badge re-used. I tried to put Wled on mine and bricked it. The online flashing tool no longer appears to work. How do I revive mine?
  • SuperSynthia 08 Mar 2024
    Very Cool minimalist site! Gotcha bookmarked :)
  • dog1234 18 Feb 2024
    looking forward to new posts and content from you, cool site.
  • ciel 12 Feb 2024
    thx for following!!! i look forward to seeing your site develop :D
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