ESP8266 16MB Flash Handling

ESP8266 16MB Flash Handling

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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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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