WIFI Waterproof Temperature Sensor

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David

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May 31, 2021, 2:24:16 PM5/31/21
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I have a WIFI Waterproof Temperature Sensor that I have put in outside near a lake in a waterproof project box that is in a fairly sunny location.  I have put some sun shading around it but it still seams hotter than I would like inside the box.  I also have it set to sleep between transmits (evert 15 min).  It is currently 65° outside but 85° inside the box.  Does anyone know how hot of an environment the sensor can stand before damage occurs?

Gadjet Nut

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May 31, 2021, 2:32:08 PM5/31/21
to David, PrivateEyePi
The processor is an ESP8266. From the manufacturers data sheet: Operating temperature range of ESP8266 is from -40℃ to 125℃. At present, ESP8266 has passed FCC, CE and WiFi Alliance.

On May 31, 2021, at 2:24 PM, David <Da...@themcconnells.net> wrote:

I have a WIFI Waterproof Temperature Sensor that I have put in outside near a lake in a waterproof project box that is in a fairly sunny location.  I have put some sun shading around it but it still seams hotter than I would like inside the box.  I also have it set to sleep between transmits (evert 15 min).  It is currently 65° outside but 85° inside the box.  Does anyone know how hot of an environment the sensor can stand before damage occurs?

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David

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May 31, 2021, 2:39:59 PM5/31/21
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Gadjet:

Would you also know what operating temperature limits of the other components are rated to?
I had one that died a couple of years ago in a similar enclosure in the same location and I have no idea what caused it to fail.

Gadjet Nut

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May 31, 2021, 7:37:37 PM5/31/21
to David, PrivateEyePi
The rest are all resistors, capacitors and diodes. Take note that the 125c max is the temperature limit of the chip, not the ambient temperature. 

On May 31, 2021, at 2:40 PM, David <Da...@themcconnells.net> wrote:


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