They are included in the script but commented. In my case I use the pin A1 for the analog connection and D2 for the digital connection of the Arduino microcontroller as you see in the fritzing sketch of the Arduino Uno.įor the ESP8266 NodeMCU and WeMos D1 Mini and also for the ESP32, the definition of the analog and digital pins differ. The first step of the Arduino script is to define the analog and the digital pins that connect the microcontroller and the control board.
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