Use this forum to chat about hardware specific topics for the ESP8266 (peripherals, memory, clocks, JTAG, programming)

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By Momen Elmarakby
#90018 Hi,

The following connection worked for me:

FTDI <--> NodeMCU:

VCC <--> Vin
GND <--> GND
TX <--> RX
RX <--> TX
D3 <--> GND

Make sure the The jumper on the FTDI board is placed on the 5V pins since this what you will supply the nodeMCU board with.

Regards.