In this illustration we will going to wire the ESP8266 with the Logic level converter along with FTDI USB to program the ESP8266. As you can see in the illustration below there is two connection between the ground and the GPIO you need to join these two wire before your going flash the ESP8266 module.

Required Components:

1x ESP8266 Module Board

ESP8266_module
1x Bi-Directional Logic Level Converter Module

Logic-Level-Conversion-ESP82663
1x FTDI USB Programmer / TTL UART USB Programmer

Logic-Level-Conversion-ESP826631212Logic-Level-Conversion-ESP826631-2

For flashing the ESP8266 please see & check  these link.

 

Logic-Level-Conversion-ESP8266-2

 

Wiring ESP8266 with Bi-Directional Logic Converter
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