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Arduino Nano

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Arduino Nano

Introduction Arduino Nano:

We will also discuss Arduino Nano Pinout, datasheet, drivers & applications. It is the Microcontroller board developed by Arduino. cc or based on Atmega328p / Atmega168.

Arduino boards were widely used in robotics, embedded systems, automation, Internet of Things(IoT), or electronics projects. These boards were initially introduced for students or non-technical users but nowadays Arduino boards are widely used in industrial projects.

Any kind of technical support and help was readily provided by the Arduino community. I also designed this video tutorial on Arduino Nano.


  1. Microcontroller :Atmel ATmega168 or ATmega328.
  2. Operating Voltage (logic level) :l5 V.
  3. Input Voltage (recommended) :7-12 V.
  4. Input Voltage (limits): 6-20 V.
  5. :Digital I/O Pins 14 (of which 6 provide PWM output).
  6. Analog Input Pins : 8.
  7. DC Current per I/O Pin : 40 mA.
  8. Clock Speed:16 MHz.
arduino nano board

Circuit Operation:

Rather than requiring a physical press of the reset button before the upload, the Arduino Nano was designed in a way that allows it to be reset by software running on a connected computer. One of the hardware flow control lines (DTR) of the FT232RL was connected to the reset line of the ATmega328 via a 100 nano farad capacitor.

When this line was asserted (taken low), the reset line dropped long enough to reset the chip. The Arduino software uses this capability to allow you to upload code by simply pressing the upload button of the Arduino environment.

arduino nano

This means that the bootloader could have a shorter timeout, as the lowering of DTR could be well-coordinated with the start of the upload. This setup has other implications. When the Nano is connected to either a computer running Mac OS X or Linux, it resets each time the connection was made to it from software (via USB).

For the following half-second or so, the bootloader was running on the Nano. While it was programmed to ignore malformed data (i.e. anything besides an upload of new code), it will intercept the first few bytes of data sent to the board after a connection was opened.

If a sketch running on the board receives one-time configuration and other data when it first starts, make sure that the software with which it communicates waits a second after opening the connection or before sending this data.

How the rduino nano Work:

The Arduino software includes a serial monitor that allows simple textual data to be sent to or from the Arduino board. The RX or TX LEDs on the board flash when data is being transmitted via the FTDI chip or the USB connection to the computer (but not for serial communication on pins 0 and 1).

Plug the board into the USB port on your computer and check that the green LED power indicator on the board illuminates. Standard Arduino boards (Uno, Duemilanove, and Mega) have a green LED power supply indicator located near the reset switch.

Open the Bluetooth device or add a device. After finding the Bluetooth device, you should choose “Enter the device's pairing code”. The default PIN code was “1234”. Open the Bluetooth device or choose the device.

Frequently Asked Questions

Which cable is used in Arduino Nano?

The Arduino Nano was a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3. x). It has more or less the same functionality as the Arduino Duemilanove in a different package. It lacks only a DC power supply jack and works with a Mini-B USB cable instead of the standard one.

What cables to use with Arduino?

Use it to connect Arduino Uno, Arduino Mega 2560, Arduino 101, and any board with the USB female port of your computer. The cable length is approximately 100cm.

What are Arduino cables called?

It is called a 22 gauge stranded hookup wire, or just a 22 gauge stranded wire.

What is the voltage of the Arduino cable?

The board can be supplied with power either from the DC power supply jack (7 - 12V), the USB connector (5V), or the VIN pin of the board (7-12V). Supplying voltage via the 5V and 3.3V pins bypasses the regulator, and can damage your board.

What is Arduino Nano pinout?

It has 22 input or output pins in total. 14 of these pins are digital pins. Arduino Nano has 8 analogue pins. It had 6 PWM pins among the digital pins.

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