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Below is the link for the famous smt module ESP8266-12E. In the link appears the module and another component which package is 8 SOIC. I am thinking that it should be the voltage regulator for the esp module. What are you thinking? It's written "SergMicro 25Q32ASSC6 1403" when searching with Google about any of those items I can not find any result. Does someone know what is this component?

Link : https://www.adafruit.com/products/2491

ESP8266-12E

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That's the SPI Flash needed for the ESP8266. It is a standard SPI 32 M-Bit (4 MegaByte) flash eeprom 25Q32, so any similar data sheet for similar brands will work. It is not a regulator. The module you are looking at is the bare ESP8266 module.

It does not include the typical breakout board, which brings the pins out to standard 0.1" headers, has reverse voltage protection, a linear regulator, or extra features. Adafruit sells the completed module + breakout as the Adafruit HUZZAH ESP8266 breakout.

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  • \$\begingroup\$ thank you, i am trying now to replace it. When i have removed it i couldn t upload any more my arduino Sketch. ( i have another module) So i suppose that the bootloader save always the user prog in this additional Flash Memory chip! I mean no Chance to upload the Sketch directely to the Flash Memory of the esp chip itself ( well in that case i suppose the bootloader must be changed). \$\endgroup\$ – Küstenstern Feb 11 '16 at 13:34

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