ESP8266 WiFI temperature and humidity sensor

6 years 3 months ago #1715 by zyrotron
Just for the record, I would like to note that with proper power supplies the sensors are still running without any problems for more than two days (even without decoupling caps).

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6 years 3 months ago #1716 by piman
@zyrotron Hi I haven't changed any of the code but I have also added a 1000uf capacitor as well as changing the power supply which seems to be okay .However I have several Arduino Nodes that I've tried to get going but had no success with those tried a new one out of the packet which worked first time and is still running now not sure what's wrong with the others they just seem to stop.

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6 years 3 months ago #1718 by piman
:angry: I am getting to the points where I'm spending too much time on this particular project ,and not getting anywhere too fast manage to get 2 running quite reliably using the Arduino Nano and the ESP. Just got a couple of HTU21D's , I think I'll do something without the Arduino .

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4 years 11 months ago #3546 by uros.zilavec
I have a problem with this project. In Server i cant Add node in IoT server and keep getting failed message.

Now I checked on serial interface my ESP commnuciation and esp is giving me this error:
Response->timeout
hwReset
E_CWMODE
Send cmd:AT+CWMODE=1

Response->timeout
E_CWMODE
Send cmd:AT+CWMODE=1

Can someone please help me? It's getting frustrating...
Thanks.

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4 years 11 months ago #3547 by EasyIoT

uros.zilavec wrote: I have a problem with this project. In Server i cant Add node in IoT server and keep getting failed message.

Now I checked on serial interface my ESP commnuciation and esp is giving me this error:

Response->timeout
hwReset
E_CWMODE
Send cmd:AT+CWMODE=1

Response->timeout
E_CWMODE
Send cmd:AT+CWMODE=1

Can someone please help me? It's getting frustrating...
Thanks.


Response->timeout usually means that Arduino didn't get ESP8266 response on serial port. Is ESP8266 connected to Arduino correctly?

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