These are chat archives for esp8266/Arduino
what settings should be used in arduino ide ( esp8266 -12e) to generate a .bin file to be uploaded using esptool.py ?
Board: Generic Esp8266 module
Flash Mode: QIO
Flash Frequency: 40 Mhz
CPU Frequency: 80 Mhz
Flash Size: 1M ( 64k SPIFFS )
Reset Method: ck
Upload Speed: 115200
but these settings do not work gives an error after esp boots:
ets Jan 8 2013,rst cause:4, boot mode:(3,6)
load 0x4010f000, len 1384, room 16
Serial.swap()but you can have issues with GPIO15. It must be low during boot, and most probably A6 TX pin will be up when not transmitting.