ESP8266 is a low-cost and high-performance wireless SOC, which provides endless possibilities for integrating WiFi functions into other systems. It can control input and output like Arduino, but the special feature is that it comes with Wi-Fi. ESP series Wi-Fi modules are popular in IoT projects.

However, due to the fast update iteration speed and lack of module-related information, there are some confusions between ESP-12E Wifi Module and ESP-12F Wifi Module.

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