esp32 internal flash memory

Q&A Forum › esp32 internal flash memory

peppeg85 asked 5 years ago

Hello, i would ask some questions about esp32 internal flash memory, how mutch memory it has, i explain, in your tutorial, you say it has 512 byte, in the internet i saw threads that say 4MB of flash memory…it’s a big difference, could i ask where is the truth? maybe some different versions? if yes, how can i check my version? thank you

3 Answers

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Sara Santos Staff answered 5 years ago

Hi.
The ESP32 has 4MB flash memory.
However, when using the EEPROM library (at least when we wrote the tutorial about that), you could only use 512 MB (that’s how the library was made, however, I’m not sure if that changed meanwhile).
With the ESP32, if you need to store more than just some bytes on the flash memory, I recommend using SPIFFS.
Regards,
Sara

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peppeg85 answered 5 years ago

ok, good, thanks for your answer! (maybe you mean 512 kB)

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Sara Santos Staff answered 5 years ago

I mean 512 bytes. (I’m sorry for the typo)
If you don’t have more questions, I’ll mark this issue as resolved.
If you need further help, you just need to open a new question in our forum.
Regards,
Sara