ESP8266 16MB Flash Handling

ESP8266 16MB Flash Handling

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Piers Finlayson shares his adventures in programming the ESP8266 to access 16MB flash:

To put this in context, the original ESP8266 modules (such as the ESP-01) offered 512KB of flash, with the more recent ones (ESP-07) 1MB and then 4MB. The maximum addressable flash memory of the ESP8266 is 16MB according to the datasheet. (The ESP32 offers up to 4 x 16MB of flash.)

I don’t have a particular need for > 4MB flash (otb-iot currently only requires and supports 4MB) but my interest was tweaked in the larger flash chips, so I thought I’d give it a go. I’ve experience of replacing flash chips from older modules to upgrade them from 1MB to 4MB, so figured 16MB would be the same.

ESP8266 16MB Flash Handling – [Link]

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ESP8266memoryWifi
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