What it does: it reads the PMS5003 sensor data, calculates a ten minute average of the particle matter 2.5 microgram reading (the particle size we care about), then sends the data over to my web site, where it gets written to a TXT file, so I can read the output from anywhere. The Arduino sketch I used initially didn’t connect to my website, so I added that to the original sketch that I snatched from this website, and I don’t remember where I got the HTTPS connection script, but they both work. Under that black electric tape is a bad soldering job and glue stick goo. There are many like it, but this one is mine. It would be nice to have it all encapsulated together in one unit though. I had originally wanted to add a temp/humidity sensor, but I misplaced my BME280, and it’s not critical anyway. I used the common sensor model PMS5003 and a Wemos D1 Mini to create a personal AQI sensor, because I suspected that the air at my location was never quite the same as what the nearest sensors were reading. Welcome to fire season, 2021 – the New Normal! Fire Marshall: “Fire season ain’t even started yet.”
If you haven’t noticed lately, the WORLD IS ON FIRE! Last year, I bought an air quality sensor to help me decide when is the best time to play drunk lawn darts without causing permanent damage to my cardiovascular system, but by the time it arrived, the rain came, the air cleared, and my motivation went into hibernation.
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