You can connect the internet through Wi-Fi using NodeMCU, and apply your desired commands by creating an HTTP page. Also, you can use pin D2(GPIO4) as SDA and pin D1(GPIO5) as SCLĬontrolling LED through an HTTP page Using NodeMCU So you should set up the pin number 13 whenever you want to use D7 in your program. For example, the D7 pin is defined as GPIO13. In order to use digital pins, you should select GPIO numbers. Containing 13 GPIO pins, 10 PWM channels, I2C, SPI, ADC, UART, and 1-Wire.practicable in Event-driven API applications.
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