By Emanuele Signoretta on August 28, 2022


I wanted to please a friend, an environmentally conscious friend who is concerned about mold spores in the air (from damp), additionally he is an occasional smoker and lives on a fairly popular city road, so he’s keen to see what’s present in the air as far as concentration and air quality go.

To this end I have obtained:

  • an additional Raspberry Pi Zero WH (zero with wifi and headers – I believe the only version allowed for multiple purchases),
  • repurposed and old LCD screen (JHD162A),
  • a particle sensor that I had finished experimenting with (Nova Fitness Sds011),
  • and one of my temperature and humidity sensors (Si7021) that is no longer fit for my purposes (wont accept 100% relative humidity / condensation).

It’s all packaged “relatively” neatly in a lovely glitter covered cardboard box (cheap and easy to cut/modify).

More info



About Emanuele Signoretta

Studying electronics and communication engineering at Politecnico di Torino. Electronics, IT and Open Source enthusiast.

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