Sorry for any confusion… My comment about “Master” was just an inside joke for @Jamin [quote=“Vicen, post:8, topic:12094”]
And being so, it may help the USB with the contribution of a battery to the circuit, so as to improve the shot of the start, What do you think?
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The translation is confusing… but If you meen powering the NodeMCU ESP8266 externally (Battery or power adapter) while programming it on the USB cable from the PC, then Yes, that might also help.