Andres4NY, to random
@Andres4NY@social.ridetrans.it avatar

Filter sales for your - if you're a costco member, you can get 20x20x1 MERV-14 filtrete filters for $12.50 each (4 for $50): https://www.costco.com/3m-2500-series-filtrete-1%22-filter%2c-4-pack.product.4000181409.html

I've never used MERV-14 (filtrete) filters in a before, so I'm curious about others' experience with them.

Otherwise, here's MERV-12 filtrete filters for $13.79 each (6 for $83): https://www.walmart.com/ip/Filtrete-20x20x1-Air-Filter-MPR-1500-MERV-12-Advanced-Allergen-Reduction-6-Filters/615381943

Andres4NY,
@Andres4NY@social.ridetrans.it avatar

I found this: https://www.reddit.com/r/crboxes/comments/186wue3/rob_tested_the_filtretes_down_to_the_1085_and/
And
https://www.cleanairkits.com/blogs/news/what-happens-to-cadr-with-different-grade-filters

That's measured with 5 arctic P12 fans and only two filters (https://www.cleanairkits.com/products/bedroom-luggable). My suspicion is that the filrete 2200s are fine for a regular crbox build (with 1600 sq inches of filter area and a louder, more powerful box fan), but the 1500s are a better option for my 8 P12 fan build. That said, I really need acquire a nebulizer and measure the of my 8 P12 setup: https://itsairborne.com/how-to-measure-hepa-air-cleaner-filter-cadr-a660bfa4479d

sheislaurence, to longcovid
@sheislaurence@mastodon.social avatar

Today Swedish brand is launching , a portable . https://www.kickstarter.com/projects/airinum/hale?ref=discovery. It claims to remove 99% of airbone particles incl. virus. There are no certifications like or for purifiers, other than , which doesn't give the same level of assurance. This piece of research from Aug22 is promising though https://pubmed.ncbi.nlm.nih.gov/35947419/, but Airinum stopped short of guaranteeing safety from for @longcovid sufferers. Thoughts? It would be a gamechanger for me

sheislaurence,
@sheislaurence@mastodon.social avatar

@Krise_DIY @longcovid what Airinum did tell me is that the rate or 'Clean Air Delivery Rate' () was 8.7 m³/h. The research I attached in my original post mentions ">99.97% at 7.1 ventilation volumes", but I cannot find the unit. If it is indeed 7.1m³/h, then it sounds like the Hale is exceeding the ratio.

gnemmi, to climate
@gnemmi@mastodon.sdf.org avatar

on hour LIVE NOW!! on https://anonradio.net:8443/anonradio https://sdf.org @SDF
@kentpitman haiku https://climatejustice.social/@kentpitman/111777506958255286 @breadandcircuses thread https://mastodon.sdf.org/@kentpitman@climatejustice.social/111807545387043685
Corn and harmonicas: https://netsettlement.blogspot.com/2012/05/corny-economics.html

lemmy at 500
https://lemmy.sdf.org/c/unix_surrealism

@jessica inc see https://mastodon.heavymusic.rocks/@jessica/111760107839134548
and message <3

topics:
@rms article ( @trevdev turns out to be perfect)
@amszmidt MIT personal computer article

screwtape, to climate
@screwtape@mastodon.sdf.org avatar

today https://anonradio.net:8443/anonradio https://sdf.org @SDF
@kentpitman haiku https://climatejustice.social/@kentpitman/111777506958255286 @breadandcircuses thread https://mastodon.sdf.org/@kentpitman@climatejustice.social/111807545387043685
Corn and harmonicas: https://netsettlement.blogspot.com/2012/05/corny-economics.html

lemmy at 500
https://lemmy.sdf.org/c/unix_surrealism

@jessica inc see https://mastodon.heavymusic.rocks/@jessica/111760107839134548
and message <3

topics:
@rms article ( @trevdev turns out to be perfect)
@amszmidt MIT personal computer article

amszmidt, to random
@amszmidt@mastodon.social avatar

Anyone interested on working on the / ? I need HDL hackers ideally ... but the more the merrier!

amszmidt, to random
@amszmidt@mastodon.social avatar

https://github.com/ams/cadr4

Lets hack

@screwtape see you in a few! ;)

amszmidt, to VHDL
@amszmidt@mastodon.social avatar

Calling on all able bodied / HDL hackers to help me with getting the working on some half modern !

I have no strong opinions, the previous design worked on Spartan 6. The Arty looks nice. ICE40 might be too small, I dunno...

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