Thanks for a great Arduino overlay for the ESP8266. I have used it successfully for custom ESP8266 boards I have been designing. Here is an example:
https://www.tindie.com/products/onehorse/esp8266-a…
Currently flashes detected with SFDP are just named "SFDP". While this is perfectly OK for normal tasks like writing data to the flash, it is a problem for production tests. In the spi_flash test the …