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On some computers, Maybe NodeMCU V3 board can't be detected. Let's try to solve it.

For those who have just installed the program Arduino IDE for the first time, must install the NodeMCU board in the program first.

NANO board is a microcontroller board that uses IC number ATmega328P-AU as the main IC. Inside the IC there are 14 digital pins of INPUT and OUTPUT (can be used as 6 pins of PWM output). Analog 8 pins are available.

NANO board is a microcontroller board that uses IC number ATmega328P-AU as the main IC. Inside the IC there are 14 digital pins of INPUT and OUTPUT (can be used as 6 pins of PWM output). Analog 8 pins are available.

UNO Board has 16 digital OUTPUT pins.

UNO board is a microcontroller board that uses IC number ATmega328P as the main IC. Inside the IC there are 14 digital pins of INPUT and OUTPUT (can be used as 6 pins of PWM output). Analog 6 pins are available.

Arduino IDE Program is a program that is used for programming controllers and can convert such files to upload to the Arduino board.