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About the Adapter Board: Used to convert the IO ports of ESP-32S 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-32S module to the adapter board; Secondly£¬ Solder the 2X9P pin header to the adapter board; Thirdly£¬ Use the dopont cable to test it;