I have pms3003 you can get for about 12 USD on AliExpress. I bought a small usb-to-serial adapter connected to Raspberry Pi Zero W. Here's a combo with a simi

I have pms3003 you can get for about 12 USD on AliExpress. I bought a small usb-to-serial adapter connected to Raspberry Pi Zero W. Here's a combo with a similar device here: https://www.aliexpress.com/item/32617788139.html?spm=2114.12010612.8148356.4.5c2445efbfhgqK https://www.aliexpress.com/item/32617788139.html?spm=2114.12... There are plenty of comparisons available online, but there's a good overview site here: https://aqicn.org/sensor/ https://aqicn.org/sensor/