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ESP8266 ESP-07 ESP-12E ESP-12F Wi-Fi Wireless Transceiver Adapter Module w/ 3.3V Regulator IC -White
About the Adapter Board: Used to convert the IO ports of ESP-07 (ESP-12£¬ESP-12E£¬ESP12F) to 2.54mm pitch pin headers£¬ so it is easy for beginner to test the module. Before use£¬ the user should first follow these steps: Firstly£¬ Solder the ESP-07 or other module to the adapter board; Secondly£¬ Solder the 3.3V regulator to the bottom of the adapter board; Thirdly£¬ Solder the 1X8P pin header to the adapter board; Because there is a 3.3V regulator onboard£¬ the range of VCC pin on the adapter board can be 3.3V to 5V. Note: When you want to use the adapter board with the 3.3V regulator and apply 5v to the board£¬ you also need to desolder the middle SMD resistor on the adapter board!