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Hi Bas,Well this goes a bit out of my knowledge, I used the YF-S201 flowmeter that I bought from aliexpress, even if it shows 4.5 - 5v it worked with 3.3v. Sometimes the nodemcu would crash, but I cant be sure if this was the culprit.
Hi sorry for the late reply, is thingspeak well configed?
Hi, do you know other similar device to NodeMcu but more stable?
Thanks! I hope I can help others with this, Instructables help me a lot in the past :)
Flowmeter NodeMcu Counting ...View Instructable »
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