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You could try a USB SATA drive with a FAT16 filesystem containing "/wifipass.txt". USB-1.0 low speed is 1.5Mb/s and while I can't find documentation on ESP8266'

by a1369209993 9y ago

You could try a USB SATA drive with a FAT16 filesystem containing "/wifipass.txt". USB-1.0 low speed is 1.5Mb/s and while I can't find documentation on ESP8266's GPIO switch speed, it's CPU is 40MHz, so bitbanging should be feasible.