ESP8266 Pinout Reference: How To Use ESP8266 GPIO Pins
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I think I use all usable GPIO pins. GPIO 0 is strapping pin. GPIO 34 & 35 are input only. I need to remove GPIO 2 temporary during firmware upload but it
ESP8266 Pinout Reference: Which GPIO pins should you use? | Random Nerd Tutorials
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ESP8266 Pinout Reference: Which GPIO pins should you use? | Random Nerd Tutorials
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NodeMCU Pinout and ESP-12E Pinout | Pin Description, Peripherals
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ESP8266 Pinout Reference: How To Use ESP8266 GPIO Pins
Nodemcu Nodemcu Gpio With Arduino Ide | Nodemcu
ESP8266 Pinout Reference: Which GPIO pins should you use? | Random Nerd Tutorials
ESP12-E Directly Usable GPIO Pins - RabbitHacks
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