[GH-ISSUE #1102] Q: Where in flash are SSID/key stored? Is this something I need to keep in mind? #942

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opened 2026-02-28 01:27:46 +03:00 by kerem · 2 comments

kerem commented

2026-02-28 01:27:46 +03:00

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Originally created by @noelvissers on GitHub (Jul 31, 2020).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/1102

Basic Infos

Hardware

WiFimanager Branch/Release:

Master
Development

Esp8266/Esp32:

ESP8266
ESP32

Description

In the project, I want to store some settings in flash. From what I understand the SSID and password (and maybe other settings) from this library are also stored in the flash memory. If i write some values to a specific address, are there addresses i cannot use?

example:

//EEPROM.write(address, value);
EEPROM.write(1, 0);
EEPROM.commit();

Will this interfere with the other stored values?

Originally created by @noelvissers on GitHub (Jul 31, 2020). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/1102 ### Basic Infos #### Hardware **WiFimanager Branch/Release:** - [ ] Master - [x] Development **Esp8266/Esp32:** - [ ] ESP8266 - [x] ESP32 ### Description In the project, I want to store some settings in flash. From what I understand the SSID and password (and maybe other settings) from this library are also stored in the flash memory. If i write some values to a specific address, are there addresses i cannot use? example: ```c++ //EEPROM.write(address, value); EEPROM.write(1, 0); EEPROM.commit(); ``` Will this interfere with the other stored values?

kerem closed this issue

2026-02-28 01:27:46 +03:00

kerem commented

2026-02-28 01:27:47 +03:00

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@noelvissers commented on GitHub (Jul 31, 2020):

From what I understand from further reading this is stored in a specific Wifi part on the ESP32. So this means the flash I use to write my own settings isn't related to this.

@noelvissers commented on GitHub (Jul 31, 2020): From what I understand from further reading this is stored in a specific Wifi part on the ESP32. So this means the flash I use to write my own settings isn't related to this.

kerem commented

2026-02-28 01:27:47 +03:00

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@tablatronix commented on GitHub (Jul 31, 2020):

No esp does it

@tablatronix commented on GitHub (Jul 31, 2020): No esp does it

kerem referenced this issue

2026-02-28 02:12:41 +03:00

[PR #942] ArduinoJson 6 for AutoConnectWithFSParameters.ino #1694