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TOPIC: how to add multiple DHT22 in WiFi humidity sensor?

how to add multiple DHT22 in WiFi humidity sensor? 1 year 9 months ago #2607

  • davidhome
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Hi,

i have the ESP8266 WiFi DHT22 humidity sensor (EasyIoT Cloud REST API) project working, using this sketch

Question: how do i add more DHT22 sensors to it?

i have the ESP-12E and that means i could add 6 more sensors? is that correct?

i am sure this has been asked before, but can't find such a topic in search??

thanks!
Last Edit: 1 year 9 months ago by davidhome.
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how to add multiple DHT22 in WiFi humidity sensor? 1 year 9 months ago #2622

  • davidhome
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hi all, I'm not sure if I posted this question in the right section?

< noob
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how to add multiple DHT22 in WiFi humidity sensor? 1 year 9 months ago #2623

  • piman
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Are you adding more DHT 22's or different senses? If so what ones are you trying to add.
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how to add multiple DHT22 in WiFi humidity sensor? 1 year 9 months ago #2624

  • BadBallscrewBob
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This thread might help a little.

forum.arduino.cc/index.php?topic=217689.0

Think that the idea of a loop to read and store each value in an array would be the way to go.

Passing it back to EasyIOT could use a similar method to the way thingspeak operates for multiple values i think.

" updateThingSpeak("field="+String(t, DEC)+"&field2="+String(h, DEC)+"&field3="+String(celsius, DEC)) "

I aint that good a programmer so this is just a synop from my limited experience. I managed to cobble my thingspeak code to pass 7 different values back from a single arduino. So so long as you have the module here set up to receive X pieces of data it should work.

I like your idea so if you come up with anything do post back.
Do unto others before they get chance to scr3w you over
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how to add multiple DHT22 in WiFi humidity sensor? 1 year 9 months ago #2626

  • davidhome
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piman wrote:
Are you adding more DHT 22's or different senses? If so what ones are you trying to add.

just adding 5 more DHT22's....

but maybe DS18B20's if it is possible?
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how to add multiple DHT22 in WiFi humidity sensor? 1 year 9 months ago #2629

  • skywatch
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I'd be interested in this too....!
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