The memory storage device for computers and microcontrollers is termed flash memory, which retains data when power is turned off. In contrast, data stored in RAM (random access memory) is lost when power is turned off. Flash memory is partitioned into several sections: application, OTA (over the air) updating, SPIFFS (Serial Peripheral Interface Flash File System), EEPROM (Electrically Erasable Programmable Read-Only Memory), Wi-Fi, and configuration information. A sketch is stored in application memory, and the variables created and manipulated ...
20. OTA and saving data to EEPROM, SPIFFS, and Excel
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