![]() The communication of an Arduino Nano board can be done using different sources like using an additional Arduino board, a computer, otherwise using microcontrollers. difference-between-Arduino-UNO-and-Arduino-nano Arduino Nano Communication The main differences between these two are listed in the following table. The programming of UNO can be done with a USB cable whereas Nano uses the mini USB cable. So Uno boards use more space on the system. Because Arduino Uno size is double to nano board. The main difference between these two is the size. The Arduino Nano board is similar to an Arduino UNO board including similar microcontroller like Atmega328p. IIC (A4, A5): These pins are used for supporting TWI communication.ĪREF: This pin is used to give reference voltage to the input voltage Difference between Arduino UNO and Arduino Nano Inbuilt LED (13): This pin is used to activate the LED. SPI (10, 11, 12, & 13): These pins are used for supporting SPI communication. I/O Pins (Digital Pins from D0 – D13): These pins are used as an i/p otherwise o/p pins. RST Pin( Reset): This pin is used to reset the microcontrollerĪnalog Pins (A0-A7): These pins are used to calculate the analog voltage of the board within the range of 0V to 5V 3.3V is the minimum voltage which is generated from the voltage regulator on the board.5V is the regulated power supply voltage of the nano board and it is used to give the supply to the board as well as components.Vin is the input voltage of the board, and it is used when an external power source is used from 7V to 12V.Power Pin (Vin, 3.3V, 5V, GND): These pins are power pins Supports three communications like SPI, IIC, & USARTĪrduino nano pin configuration is shown below and each pin functionality is discussed below. ![]() ![]() Size of the printed circuit board is 18 X 45mm.ATmega328P Microcontroller is from 8-bit AVR family.The features of an Arduino nano mainly include the following.
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