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[GH-ISSUE #774] ESP8285 not connecting as Access Point #646

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opened 2026-02-28 01:26:23 +03:00 by kerem · 8 comments

kerem commented

2026-02-28 01:26:23 +03:00

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Originally created by @dvukovic on GitHub (Nov 26, 2018).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/774

To give a little background.
I am using the Arduino1.8.5 IDE on Win7-64 bit.
The code has been compiled for an NodeMCU Lolin v3 and works properly.
I have a ESP8285 m3 board that I have been working with and have interfaces an I2C OLED display and an I2C RTC chip.
I then compile the same demo programs as the NodeMCU, but the 8285 does not what too connect to any of my devices, ( DELL laptop, iPhone or Samsung tablet) as the NodeMCU has done.
Here is a screen shot of the IDE Tools configuration.

What would be the best debug Level ?

Here is a screen shot with debug port enabled:

My iPhone and tablet shows the ESP8822174 as an access point, but neither are able to connect.
The above serial monitor does not change when attempting a connection.

Originally created by @dvukovic on GitHub (Nov 26, 2018). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/774 To give a little background. I am using the Arduino1.8.5 IDE on Win7-64 bit. The code has been compiled for an NodeMCU Lolin v3 and works properly. I have a ESP8285 m3 board that I have been working with and have interfaces an I2C OLED display and an I2C RTC chip. I then compile the same demo programs as the NodeMCU, but the 8285 does not what too connect to any of my devices, ( DELL laptop, iPhone or Samsung tablet) as the NodeMCU has done. Here is a screen shot of the IDE Tools configuration. ![esp8285 m3](https://user-images.githubusercontent.com/5108570/49033961-d90c6e80-f16d-11e8-819e-142c02619166.png) What would be the best debug Level ? Here is a screen shot with debug port enabled: ![autoconnect_debug](https://user-images.githubusercontent.com/5108570/49033939-cabe5280-f16d-11e8-8f31-82cf4abf6666.png) My iPhone and tablet shows the ESP8822174 as an access point, but neither are able to connect. The above serial monitor does not change when attempting a connection.

kerem commented

2026-02-28 01:26:24 +03:00

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@tablatronix commented on GitHub (Nov 26, 2018):

I see no client connect in logs , hmm

try the softap example and see if you can join
https://github.com/esp8266/Arduino/blob/master/libraries/ESP8266WiFi/examples/WiFiAccessPoint/WiFiAccessPoint.ino

@tablatronix commented on GitHub (Nov 26, 2018): I see no client connect in logs , hmm try the softap example and see if you can join https://github.com/esp8266/Arduino/blob/master/libraries/ESP8266WiFi/examples/WiFiAccessPoint/WiFiAccessPoint.ino

kerem commented

2026-02-28 01:26:24 +03:00

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@tablatronix commented on GitHub (Nov 27, 2018):

I wonder why it would not be connecting, I know on iphone I have to forget the ap or it gets stuck , did you try that? There seems to be something different with these chips, ill try to test mine out I think I have an m3 module

@tablatronix commented on GitHub (Nov 27, 2018): I wonder why it would not be connecting, I know on iphone I have to forget the ap or it gets stuck , did you try that? There seems to be something different with these chips, ill try to test mine out I think I have an m3 module

kerem commented

2026-02-28 01:26:24 +03:00

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@dvukovic commented on GitHub (Nov 27, 2018):

I tried the NodeMCU and all worked.
Thanks for looking into this issue.

@dvukovic commented on GitHub (Nov 27, 2018): I tried the NodeMCU and all worked. Thanks for looking into this issue.

kerem commented

2026-02-28 01:26:24 +03:00

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@Mauricio-Alencar commented on GitHub (Feb 7, 2019):

I have a problem exactly the same with esp8285, it releases as AP mode but does not let anyone connect

@Mauricio-Alencar commented on GitHub (Feb 7, 2019): I have a problem exactly the same with esp8285, it releases as AP mode but does not let anyone connect

kerem commented

2026-02-28 01:26:24 +03:00

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@Mauricio-Alencar commented on GitHub (Feb 7, 2019):

extending my tests here, when using the lib in esp8266 it works perfectly, but when using esp8285, it gets instabilities and does not show AP in the startConfigPortal () and AutoConnect () functions; and this is hurting me a lot, because my project is being based on altering sonoff firmware that uses a esp8285 = '(, what feedback can you give about using lib with esp8285?

@Mauricio-Alencar commented on GitHub (Feb 7, 2019): extending my tests here, when using the lib in esp8266 it works perfectly, but when using esp8285, it gets instabilities and does not show AP in the startConfigPortal () and AutoConnect () functions; and this is hurting me a lot, because my project is being based on altering sonoff firmware that uses a esp8285 = '(, what feedback can you give about using lib with esp8285?

kerem commented

2026-02-28 01:26:24 +03:00

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@tablatronix commented on GitHub (Feb 7, 2019):

I can try to test , how much memory do you have?

@tablatronix commented on GitHub (Feb 7, 2019): I can try to test , how much memory do you have?

kerem commented

2026-02-28 01:26:24 +03:00

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@Mauricio-Alencar commented on GitHub (Feb 7, 2019):

When you speak from memory, is MCU FLASH memory? if it is is 1k internal, follow here datasheet of it! https://www.espressif.com/sites/default/files/documentation/0a-esp8285_datasheet_en.pdf

@Mauricio-Alencar commented on GitHub (Feb 7, 2019): When you speak from memory, is MCU FLASH memory? if it is is 1k internal, follow here datasheet of it! https://www.espressif.com/sites/default/files/documentation/0a-esp8285_datasheet_en.pdf

kerem commented

2026-02-28 01:26:24 +03:00

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@tablatronix commented on GitHub (Feb 7, 2019):

are you using an example?

@tablatronix commented on GitHub (Feb 7, 2019): are you using an example?