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Why ESP8266 needs an external power supply for flashing?

https://www.esp8266.com/viewtopic.php?f=13&t=18767

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Why ESP8266 needs an external power supply for flashing?

PostPosted: Sat Nov 24, 2018 10:03 pm
by Marcus Malta
Why NodeMCU does not need an external power suply for flashing and bare bones ESP8266 12-E needs it?
It's it because of the USB to Serial converter?
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