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There are various versions of Arduino available, each having its own advantages and use cases; whether it’s in terms of shape, size or the number of inputs and outputs. The three most commonly used Arduino versions are - Uno, Nano and Mega.

 

Arduino Uno

If you’re a beginner trying to get into the world of Arduino, Uno is the most ideal option to go for. Arduino Uno is a microcontroller board based on the ATmega328P (datasheet). The entry price point isn’t too high but you still get ample ports for most projects in a relatively compact package. It has 14 digital pins and 6 analog pins, giving you a total of 20 GPIO pins available for your project.

 

Arduino Nano

The Arduino Nano is a small, complete, and breadboard-friendly board, based on the ATmega328. It has the same functionality as the UNO, but with extra ports - 14 digital and 8 analog pins, as opposed to 6 analog pins in Uno. The board is about half the size of Uno and hence it’s ideal for use in applications where there is limited space.

 

Arduino Mega

If your project requires more than 20 GPIO pins, Arduino Mega might be your best bet. Arduino Mega is a microcontroller board based on the ATmega2560. It is a bigger version of Uno, and comes with a lot of extra ports for versatility. It has 54 digital pins and 16 analog pins. With a total of 70 GPIO pins, it’s ideal for applications where you have a lot of peripherals and require extensive communications.

 

Things To Consider While Buying Arduino

 

How does Arduino work?

Arduino is an open-source electronics platform based on easy-to-use hardware and software. It is basically an AVR 8-bit microcontroller with some extra hardware, which includes - USB to serial for out-of-the-box programming, power management systems, 16 MHz external crystal to make the AVR run faster and an expanded GPIO pins to easily connect sensors, devices and peripherals. It works based on the set of instructions sent to the microcontroller.

 

How do I use Arduino?

Once you have the circuit for your project ready, connect the Arduino to your computer via a USB cable. Once plugged in, the on-board LEDs on the Arduino begin to flash.

 

Now your Arduino is ready to be ‘burned’. Arduino IDE is the official development environment for Arduino, and the programs are written in C++ language. Once you’re done with the code, choose the appropriate port and board on the software, and upload the program to the Arduino.

 

Your Arduino must be running now. :)

 

Note: To help you get started, there are a number of example codes given under File -> Examples in the Arduino IDE, downloadable at the official Arduino website.


Arduino Prices in India

Arduino TypeTentative Price (in INR)
Arduino Uno1500
Arduino Nano1721
Arduino Mega2951
Arduino Due3240

Why is Arduino a preferred choice, for beginners and experts alike?

Arduino is an open-source electronics prototyping platform based on flexible hardware and software, whereby the standard schematic can be used by anyone so as to make their own version of an Arduino board. Due to this reason, Arduino has a huge community behind the project - thereby also attracting beginners into the platform, especially when it comes to support and tutorials.

 

Which is the best Arduino for your use case and why?

Arduino Nano: Suitable for projects where there’s very limited space

Arduino Uno: Suitable for beginners with ample number of ports for most projects

Arduino Mega: Suitable for projects that requires a large number of GPIO connections

Arduino Due: Suitable for projects that require more powerful hardware for large scale Projects

Arduino Micro: Suitable for projects where space comes at a premium

 

Which Arduino board is best for beginners?

If you’re a beginner trying to get into the world of Arduino, Arduino Uno is the ideal option to go for. The entry price point isn’t too high and there are plenty of ‘Getting Started’ guides and project ideas available online. Still Confused then read our blog on Which Arduino Board to Buy

 

It also comes with 14 digital pins - 6 capable of PWM output and 6 analog pins for a total of 20 GPIO Pins. It also supports I2C, SPI and UART communication - giving you the flexibility to connect multiple of peripherals

 

Which Arduino board is best for Robotics?

If your robotics project requires a large number of digital and analog connections, Arduino Mega is a good option for small to medium sized robots. In case your robot doesn’t require many ports, you can start off with Arduino Uno or Nano, depending on the board size constraints.

 

Which Arduino board is best for 3D Printer? 

Arduino Mega is the most preferred Arduino board for building a 3D printer, since it gives you sufficient number of ports to work with a greater number of 3D printer accessories

 

Which Arduino board is best for Quadcopter? 

Since space and weight is a huge factor when building quadcopters/drones, smaller versions of Arduino boards like the Nano or Pro mini are considered to be ideal.

 

Which Arduino board is best for Embedded Systems? 

As embedded systems devices are usually made to integrate into a larger platform, smaller boards of Arduino like Nano and Pro Mini would be ideal for this application. For beginners, Uno provides a great start.

 

Which Arduino board is best for Automation? 

Almost any Arduino can be used for automation. Your requirement will only change based on the required number of GPIO pins. Mega and Nano are the most common choice for Automation based projects.

 

Which Arduino board is best for Engineering Projects? 

Arduino Uno would be a great starting board for all sorts of engineering projects. In case more number of GPIO pins are required, you can always move onto the Mega

 

Which Arduino board is best for Engineering Projects? 

Arduino Uno would be a great starting board for all sorts of engineering projects. In case more number of GPIO pins are required, you can always move onto the Mega

 

Is Raspberry Pi easier than Arduino?

Arduino is highly preferred for single purpose projects because of it being economical and easy to use. However, for multi-purpose applications, go for the Raspberry Pi because it has a better processor to handle complex computation.
If your project is designed for real-world applications or real-time embedded systems, Raspberry Pi is recommended as it provides real-time monitoring and robust networking capabilities.
The Arduino board is much simpler to use when compared to Raspberry Pi. With the knowledge on basic programming, Arduino board can easily be interfaced with analog sensors and other electronic components.

 

Where should I buy Arduino?

You can get original Arduinos online from various authorized vendors online like Robocraze. Make sure you know how to differentiate between an original Arduino and clones compatible with Arduino, so that you’ll be able to immediately identify as soon as you receive the product.
 

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