ESP8266 pinout reference and how to use GPIO pins
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ESP8266 pinout reference and how to use GPIO pins
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ESP8266 pinout reference and how to use GPIO pins
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![esp8266_gpio_pin_allocations [ESP8266 Support WIKI]](https://www.esp8266.com/wiki/lib/exe/fetch.php?media=pin_functions.png "esp8266_gpio_pin_allocations [ESP8266 Support WIKI]")
esp8266_gpio_pin_allocations [ESP8266 Support WIKI]
NodeMCU ESP8266: Details and Pinout : 11 Steps - Instructables
ESP8266 pinout reference and how to use GPIO pins
