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Flashing ESP8266 ESP-03 with NodeMCU

Recently I have been working with ESP8266 ESP-03 and decided to flash it with NodeMCU. Looking at how to do this ( here ) it seemed to be pretty straight. forward task.

However when I started to try and flash the module I have not received any results. Most of the cases module became unresponsive. After many hours ( really ) of looking for some guideline where the problem can be I have came across post which referenced to write the default data into 2 memory addresses of the module.

So I have done so with the following command and that has helped – now got my nodemcu running as it should be!

 

esptool.py --port /dev/tty.usbserial-A7HFE6HK --baud 115200 write_flash -fm qio -fs 4m 0x00000 bin/nodemcu_integer_master_20161025-0533.bin 0x7C000 ~/Downloads/esp8266_nonos_sdk_v2.0.0_16_08_10/ESP8266_NONOS_SDK/bin/esp_init_data_default.bin 0x3fc000 ~/Downloads/esp8266_nonos_sdk_v2.0.0_16_08_10/ESP8266_NONOS_SDK/bin/esp_init_data_default.bin

Hope this will help you if you have been looking for some tips!

 

rafpe

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