ESP-12 Saves Network Config, ESP-01 Doesn't with Same Arduino Code

Fellows I am trying to play around with esp modules a bit. I have encountered a problem on the day. I am trying to save the network configuration to the "eeproma " in the module. I have a simple code which when uploaded to the ESP-12 saves the configuration while the same code uploaded to the ESP-01 no longer saves the configuration . Do you have any clues as to what the problem might be. Of course the code is written in arduino.

matekogon wrote:

Colleagues I am trying to play with esp modules a bit. I have encountered a problem on the day. I am trying to save the network configuration to the "eeproma " in the module. I have a simple code that when uploaded to the ESP-12 saves the configuration while the same code uploaded to the ESP-01 no longer saves the configuration . Do you have any clues as to what the problem might be. Of course the code is written in arduino.

.
I'm not familiar with these modules, the topic suggests it's the same type of module, but it's not, so you need to check if the Arduino libraries support them the same, compare schematics, etc. And if it is the same module type - then I would suggest to analyse the initialisation, maybe some variables are not set, and also analyse all the compiler warnings.

matekogon wrote:

I have a simple code that when uploaded to the ESP-12 saves the configuration while the same code uploaded to the ESP-01

.
It all depends on whether a partition is created in Flash for EEPROM emulation. If you are programming with the Arduino IDE, then check what Flash partition scheme you have selected for the module.
What is the Flash size for this ESP-01, 512kB or 1MB?

khoam wrote:

.
It all depends on whether a partition is created in Flash for EEPROM emulation.

Thanks mate for the hint. You guided me indirectly to where to look for the problem and it's embarrassing to admit where the problem was .

I had the project set up for the ESP-12 board and not the ESP-01 Topic closed