bizzz

4 ms·

1. 1.▲
   Slackrastination (2018)(lepekhin.com)

   1 points by bizzz 2mo ago|0 comments
2. 2.▲
   Should AI Take the Wheel? (2025)(lepekhin.com)

   1 points by bizzz 2mo ago|1 comments
3. 3.▲
   by bizzz 2mo ago

   I wrote this back in March 2025, but the question feels even more relevant in the current zeitgeist.
4. 4.▲
   Show HN: I tried to build a soundproof sleep capsule(lepekhin.com)

   3 points by bizzz 8mo ago|0 comments
5. 5.▲
   by bizzz 1y ago

   Thanks! Yep, the goal is stable 500-600 ppm; now thinking about making it into a positive pressure setup ( https://news.ycombinator.com/item?id=44374107 ).
6. 6.▲
   by bizzz 1y ago

   Thank you, I did not consider it, but looks like positive pressure is a best practice and I'll be looking into that (mounting fans directly onto the trickle vent).
7. 7.▲
   by bizzz 1y ago

   Achim, AirGradient was the key that unlocked this whole project for me, so thank you for creating it. Also, I see that you're still so active in the forums helping users (including me) out, double kudos! That's a great suggestion
8. 8.▲
   by bizzz 1y ago

   Thank you both! I'll start with a small research into available HEPA filter sizes, pressure drops they entail, and noise vs power ratio of available fans. Then I'll see if any combination fits my trickle vent setup and theoretical
9. 9.▲
   by bizzz 1y ago

   Thanks for the detailed thoughts! You've given me a lot to chew on for the next version of this project. I did briefly look at ERVs, but for a single room in an apartment building with central heating, that level of energy recovery is
10. 10.▲
    by bizzz 1y ago

    Heh, never really thought there's a market for it. Though now I can imagine it being sold at some TV shopping channel. A solution to a problem you never knew you had. Anyway, I think there are plenty of people who do not want to open w
11. 11.▲
    by bizzz 1y ago

    Yeah, if you can do it, I'm all for it!
12. 12.▲
    by bizzz 1y ago

    Good point for standalone houses! I live in an apartment, so everything you listed is backed by some concrete blocks. So, realistically speaking, the air in any meaningful amounts can only come through the window/trickle vent of the do
13. 13.▲
    Show HN: I built an under-the-door fan duct to lower bedroom CO2(lepekhin.com)

    64 points by bizzz 1y ago|29 comments
14. 14.▲
    by bizzz 14y ago

    Ok, someone please glue all the tiles together! I can't wait to see all this magnificence!