As the name would suggest, the Arduino Nano is a more compact board, designed to provide very similar functionality to the Arduino UNO and Duemilanove – only in a smaller, more space-efficient package. It utilizes a mini USB connector, compared to the standard size, and doesn’t require an external power source. Rather, the efficient design allows for the single connector to simultaneously provide power, as well as access to the microcontroller.
Based on the ATmega328 microcontroller, the breadboard-friendly Arduino Nano offers a total of 14 digital I/O channels, 6 of which are PWM I/O, as well as 8 analog inputs. The board runs at 16 MHz clock speed and utilizes 32kB of flash memory – with 2KB reserved for operating the bootloader.
The primary difference when comparing the Nano to the UNO is that the Nano offers two extra I/O pins, a higher clock speed and better storage space. Additionally, while the UNO was designed for beginners to easily learn and utilize, the Nano is more suited to advanced users.
|Operating Voltage (logic level)||– 5 V|
|Input Voltage (recommended)||– 7-12 V|
|Input Voltage (limits)||– 6-20 V|
|Digital I/O Pins||– 14 (of which 6 provide PWM output)|
|Analog Input Pins||– 8|
|DC Current per I/O Pin||– 40 mA|
|Flash Memory||– 32 KB of which 2 KB is reserved by bootloader|
|Clock Speed||– 16 MHz|
|Dimensions||– 1.70" x 0.73" / 43.1mm x 18.5mm|
|Weight||– 7 g|
Because of the sheer versatility of the Arduino Nano, the list of applications and uses is almost endless. From simple displays of numbers, words or other LED and LCD imagery, all the way through to motion-sensor security systems, you will certainly be able to find a fun or practical use for it somewhere in your home.
Some fun home-project applications include:
Advanced tinkerers and inventors can also take these boards even further, with some more complex (and more exciting) projects including:
These are just some of the amazing projects that the Arduino Nano can be utilized for, although even as you read this, even more ideas are being introduced thanks to the versatility and functionality of this complex board.
*Note this is not supplied by Arduino themselves. It is, however, manufactured to the same specifications and quality controlled locally to ensure it functions exactly as expected while saving you money.
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