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![ESP8266 Pinout Overview [ESP-01, NodeMCU, WeMos D1 Mini]](https://diyi0t.com/wp-content/uploads/2019/06/NodeMCU_pinout.png "ESP8266 Pinout Overview [ESP-01, NodeMCU, WeMos D1 Mini]")
ESP8266 Pinout Overview [ESP-01, NodeMCU, WeMos D1 Mini]
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ESP8266 pinout reference and how to use GPIO pins
