Nice little article linked on Adafruit for hacking the dust sensor

[bleughb]

Adafruit Blog link here -

https://blog.adafruit.com/2020/12/15/hello-two-hacking-into-the-2014-hello-orb-reverseengineering/

The Adafruit Article links to this blog http://dev-with-alex.blogspot.com/2020/11/hellotwo.html

and, Bonus..... manufacturing video link https://www.youtube.com/watch?v=EEvY846VMGA&feature=youtu.be

may have a nose at putting a TTGO Micro-32 inside one for a laugh!