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By Ian Phill
#41185 Hello everyone.
I'm trying the firmware update, but i've the next error when try to connect

Conecting...
chip sync error.
com closed

i'm using a CP2102 only the PINs TxD and RxD, the GND and Power supply are external font. The connection between ESP8266 and CP2102 is the next

ESP8266 CP2102 Power Supply
RX TX -
TX RX -
Vcc, CH_PD and Reset 3.3 V
GND GND

Thanks advance.
Regards