Uploaded March 2019 | Updated September 2026, 2 weeks ago

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LoLin NodeMCU V3 ESP8266 Firmware Flashing | AT Firmware V1.3.0.2 . In this project video i use LoLin NodeMCU V3 ESP8266, NodeMCU Flasher, AT Firmware V1.3.0.2 and Arduino IDE 1.8.9.

Download NodeMCU Flasher : github.com/nodemcu/nodemcu-flasher
Download AT Firmware V1.3.0.2 : electrodragon.com/w/File:V1.3.0.2_AT_Firmware.bin.zip

*Important
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Sending AT commands using Arduino Serial is not necessarily supported by other firmware. Learn first what firmware you will use.
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