this post was submitted on 06 Jun 2026
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[–] synapse1278@lemmy.world 6 points 13 hours ago (1 children)

Depends. This year I bought a smart-crap air purifier. It can only be used connected to the manufacturer's app, connected online.

Except, this smart-crap is powered by an ESP32 system on chip, a very popular development kit amongst DIYers and electronic hobbyists. Some smartass has already created a program to make use off 100% of this air purifier functionalities, connecting only to Home Assistant, completely locally! Unboxed the thing, tear it down, flash the chip, and BOOM ! Turn the smart-crap into a reasonable Home-Automation device. All thanks to the collective efforts of smart, altruistic people.

I am all for people buying all sorts of smart-crap devices if they hack them and share instructions online :D

[–] Lumisal@lemmy.world 2 points 12 hours ago (1 children)
[–] synapse1278@lemmy.world 3 points 11 hours ago (1 children)
[–] Lumisal@lemmy.world 1 points 11 hours ago (1 children)

Oh nice, you can even turn off the display lights!

How quiet is the filter?

[–] synapse1278@lemmy.world 2 points 3 hours ago

In low speed it's inaudible from a meter away. High speed is pretty loud.