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61 lines
1.7 KiB
Markdown
61 lines
1.7 KiB
Markdown
The ESP8266 comes in various models:
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configure your Arduino IDE -> Tools -> Boards as:
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# Known working configs
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### The latest ESP01 and ESP12Es come with 4Mb of flash: For those
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* Board: Generic ESP8266 Module
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* Flash Mode: DIO
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* Flash Frequency: 40Mhz
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* Flash Size: 4M (3M SPIFFS)
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* Debug Port: Disabled
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* Debug Level: None
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* Reset Method: CK
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* Upload Speed: 115200
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### Some of the older devices come with 1M flash
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* Board: Generic ESP8266 Module
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* Flash Mode: DIO
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* Flash Frequency: 40Mhz
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* Flash Size: 1M (128K SPIFFS)
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* Debug Port: Disabled
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* Debug Level: None
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* Reset Method: CK
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* Upload Speed: 115200
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### Though now no longer supported, it is possible to run the firmware on devices like the ESP07 with 512K of flash:
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* Board: Generic ESP8266 Module
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* Flash Mode: DIO
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* Flash Frequency: 40Mhz
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* Flash Size: 512k (128K SPIFFS)
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* Debug Port: Disabled
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* Debug Level: None
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* Reset Method: CK
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* Upload Speed: 115200
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# Figuring out the Flash Size
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If you are unsure how much flash memory your particular module has. you can figure it out from the Arduino IDE:
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1. Open the Arduino IDE
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2. Click File, Examples, ESP8266, CheckFlashConfig
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3. Upload the sketch to the ESP8266
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4. View the Serial Monitor (115200 baud)
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5. This compares what you have in Tools -> Board -> Flash Size to what is actually on the board...
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For example
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`Flash real id: 001340C8`
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`Flash real size: 524288`
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`Flash ide size: 524288`
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`Flash ide speed: 40000000`
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`Flash ide mode: DIO`
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`Flash Chip configuration ok.`
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(NB: If you dont get a 'Flash Chip configuration ok.' uploading will appear to work succesfully but the chip will crash on startup and never show an access point / serial output) |