Connect the ESP8266 to the USB FTDI connector (FT232RL):

1. Connect your GND on the ESP8266 Huzzah to the GND on your USB FTDI connector.
2. Connect the V+ on the ESP8266 Huzzah to V+ (or VCC) on your USB FTDI connector.
3. Connect Tx on the ESP8266 Huzzah to Rx on your USB FTDI connector.
4. Connect Rx on the ESP8266 Huzzah to Tx on your USB FTDI connector.
5. Now connect the USB FTDI connector (FT232RL) to a USB port on your computer: