ESP8266 grove kit and PMS5003

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paulvern
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Joined: 06 May 2021, 09:20

ESP8266 grove kit and PMS5003

#1 Post by paulvern » 07 May 2021, 10:48

Hi everyone,
I bought this grove kit:
https://it.aliexpress.com/item/32874689 ... 4c4dXwFoe5

and this sensor:
https://it.aliexpress.com/item/10050015 ... 4c4dkda2p1

I correctly flashed espeasy to the grove kit and connected the sensor with the included cable.
I configured the sensor as PMS5003 on GPIO 1 and 3, and it seems it gives out some data, but the values seems almost random and terribly low.
Moreover there is a lot of trash data in the log.
Any advice?
Thank you.

TD-er
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Re: ESP8266 grove kit and PMS5003

#2 Post by TD-er » 07 May 2021, 14:50

What is the voltage supplied to the sensor?
5V or 3.3V?

See https://www.elfa.se/Web/Downloads/_t/ds ... ng_tds.pdf page 5

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