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![ESP8266 Pinout Overview [ESP-01, NodeMCU, WeMos D1 Mini] - DIYI0T](https://diyi0t.com/wp-content/uploads/2019/06/ESP8266_Models-e1563302234865.png "ESP8266 Pinout Overview [ESP-01, NodeMCU, WeMos D1 Mini] - DIYI0T")