Other than the digital input and output functions, the digital pins have some additional functionality as well. Each of the 14 digital pins on the Nano pinout can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. Each pin can provide or receive a current of 40mA, and has a pull-up resistance of about 20-50k ohms. The pins work with 5V voltage as maximum, i.e., digital high is 5V and digital low is 0V. TOTAL - 36 Pins Arduino Nano Pin Description Arduino Nan0 – Pin DescriptionĪrduino Nano Digital Pins Pins - 1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, and 16Īs mentioned earlier, Arduino Nano has 14 digital I/O pins that can be used either as digital input or output. SPI (Apart from Digital I/O Section) - 3 Pins We will see all the pins section wise as well as a detailed format at last. We can infer from the image that Arduino Nano got 36 pins in total. Taking this pin-out diagram below as reference, we shall discuss all the functionalities of each and every pin.
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