Arduino is a popular platform for DIY electronics projects. Arduino models vary, but the Due and Mega are two of the more commonly used. So, which one should you choose for your project? In this blog post, we will compare the Arduino Due and Mega to help you decide which one is right for you.
What Is Arduino Due?
The Arduino Due is the first board from Arduino that uses a 32-bit ARM core processor. This product has 54 digital input/output pins, 12 analog inputs, 4 UARTs, a 84 MHz clock, an USB OTG capable connection, 2 DACs , 2 TWIs , a power jack, an SPI header), and a reset button.
It is designed to be compatible with most shields designed for the Uno R3. The Arduino Due can be powered via the USB connection or from an external power source. The power source is selected automatically. [1]
What Is Arduino Mega?
This product has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.
The Arduino Mega 2560 is a replacement for the earlier Arduino Mega, which was based on the ATmega1280. The Arduino team decided on the ATmega2560 because it provided more memory space and could handle processing power better than the earlier board. [2]
Differences between Arduino Due and Arduino Mega
Use of Processor
The Atmel SAM3X8E processor powers both the Arduino Due and Mega. This is an ARM Cortex-M3 microcontroller. The primary distinction between the two boards is that the Mega has an older model of processor. The Arduino Due uses the Atmel SAM3X8E, which is a 32-bit microcontroller. The SAM3X8E has a maximum clock speed of 96 MHz and can be overclocked to 120 MHz.
Total Voltage Supply for Board
The Arduino Due and the Arduino Mega can both be powered from an external source or USB. The power source can be anything from an AC-to-DC adapter to a battery. The Arduino Mega can be powered with an external power supply of up to 12 volts.
Digital I/O Pins
Arduino Due has more digital input/output pins (54) than Arduino Mega (50), and 12 of those can be used as PWM outputs. This difference is due to the fact that the SAM3X8E processor in the Due has more GPIO pins than the ATmega2560 processor in the Mega.
Analog Input Pins
The Arduino Due has twelve analog input pins, whereas the Mega has sixteen.
UARTs
Arduino Due has 4 UARTs while Arduino Mega has only 1 UART. The SAM3X8E processor in the Due has more UARTs than the ATmega2560 processor in the Mega.
Size of Flesh Memory
While Arduino Mega only has 128 KB of flash memory, Arduino Due boasts 256 KB. The SAM3X8E processor in the Due has more flash memory than the ATmega2560 processor in the Mega, accounting for this difference. [3]
Clock Speed
Arduino Due’s speed is 96 MHz while Arduino Mega maxes out at 8 MHz. This difference is due to the fact that the SAM3X8E processor in the Due is a 32-bit processor while the ATmega2560 processor in the Mega is only an 8-bit processor.
Ports
The Arduino Due has double the micro USB ports that the Arduino Mega does.
Cost
The Arduino Due is slightly more costly than the Arduino Mega.
Size
Arduino Due is bigger than Arduino Mega.
Compatibility
Arduino Due is not able to be used with Arduino Mega shields. [4]
Suitable Projects for the Arduino Due vs. Mega
When it comes to choosing between the Arduino Due and the Arduino Mega, it really depends on what kind of project you’re working on. If you need more digital I/O pins, then the Mega is the better choice. If you need more processing power and memory, then the Due is the better board.
Projects that would work better with an Arduino Mega include:
- A data logging project that requires a lot of digital input/output pins
- A project that uses multiple servo motors
- A project that needs to store a lot of data
And here are some examples of projects that would be better suited for the Arduino Due:
- A project that requires a lot of processing power (e.g. image processing)
- A project that uses a lot of sensors
- A project that needs to send and/or receive data over USB or Ethernet
So, which board should you choose for your project? It really depends on your specific needs. If you’re not sure, then it’s probably best to start with the Mega since it has more flexibility.
Pros and Cons of Arduino Due vs. Mega
With the knowledge of how the Arduino Due and Mega differ, we can take an in-depth look at their pros and cons.
Arduino Due Pros:
- More processing power and memory than the Mega
- Can communicate with other devices over USB or Ethernet
- Native support for 3.3V devices
Arduino Due Cons:
- More expensive than the Mega
- Fewer digital I/O pins
Arduino Mega Pros:
- More affordable than the Due
- More digital I/O pins than the Due
- Can be used with existing Arduino shields
Arduino Mega Cons:
- Less processing power and memory than the Due
- No Ethernet or USB support (requires external shield)
So, there you have it! Now you are informed of the distinctions between the Arduino Due and the Arduino Mega. Depending on your project requirements, one of these boards may be a better fit than the other. So, choose wisely!
Alternatives to Arduino Due and Mega
When it comes to choosing an Arduino board for your project, the options can feel overwhelming. In addition to the Due and Mega, there are a number of other boards available on the market. Here’s a quick rundown of some of the most popular alternatives:
It’s relatively inexpensive and features a wide range of capabilities, making it perfect for learning the basics of Arduino programming. [5]
Arduino Nano – The Nano is a smaller, more compact version of the Uno. It’s perfect for projects that require a smaller footprint, such as wearable electronics or robotics.
Arduino Pro Mini – The Pro Mini is even smaller than the Nano and is designed for applications where space is at a premium. It’s also one of the lowest-cost Arduino boards available.
Arduino Mega 2560 – The Mega 2560 is the largest and most powerful Arduino board. It’s ideal for projects that require a lot of processing power, such as video or audio applications.
So, which board is right for your project? That depends on a number of factors, including cost, size, and capabilities. If you’re just starting out with Arduino, the Uno is probably your best bet. If you need a board with more capabilities, the Mega 2560 is a good option. And if space is limited, either the Nano or Pro Mini would be a good choice.
No matter which board you choose, you’re sure to find that Arduino is a great platform for learning, experimenting, and creating. So have fun and let your imagination run wild!
How Does an SBC Work?
SBCs are often used in embedded systems, which are systems that consist of software and hardware components that interact with each other to perform a specific task.
Arduino is one of the most popular brands of SBCs on the market. Arduino boards are designed to be easy to use and easy to program. They come with a wide range of features, and they can be used for a variety of different projects.
The two most popular Arduino boards are the Arduino Due and the Arduino Mega. Both of these boards have their own unique set of features and benefits.
How Do You Set Up a SBC?
You can set up an SBC by yourself or with the help of a professional. If you’re setting up an SBC by yourself, you’ll need to purchase all of the necessary components and assemble them into a working system. This can be a daunting task, but there are plenty of resources available to help you through the process.
If you hire a professional to set up your SBC, they will take care of all of the necessary tasks for you. This includes purchasing the components, assembling the system, and programming it to meet your specific needs.
What Causes SBC to Backfire?
There are a number of potential causes for an SBC to backfire. The most common cause is a faulty or damaged component. Other potential causes include incorrect wiring, bad connections, and software issues.
How Do You Prevent SBC Backfires?
The best way to prevent an SBC from backfiring is to make sure that all of the components are properly installed and in good working condition. Additionally, it’s important to regularly check the connections and wiring to ensure that there are no loose or damaged components. Finally, be sure to keep your SBC updated with the latest software patches and updates. [6]
Is an SBC a PBX?
No, an SBC is not a PBX. PBX stands for private branch exchange, which is a type of telephone system that is typically used by businesses. SBCs are single-board computers that can be used for a variety of different purposes, including embedded systems, robotics, and general electronics projects.
What is the Difference Between SoC and SBC?
SoC stands for system on a chip while SBC stands for single board computer. An SoC is a complete system that is integrated onto a single chip while an SBC is a circuit board with all the components necessary to create a functioning computer.
SoC vs. SBC: Which One Should You Use?
SoCs are more powerful than SBCs and can be used for more complex projects. They are also more expensive and require more development experience. SBCs are less expensive and easier to use, but they are not as powerful as SoCs. If you are just starting out with electronics projects, then an SBC is a good choice. If you have more experience and want to tackle more complex projects, then an SoC is a better choice.
What is the Difference Between Microcontroller and SBC?
When it comes to microcontrollers, there are two main types: microcontrollers and single-board computers (SBCs). Both have their own strengths and weaknesses, so it’s important to choose the right one for your project. Here’s a look at the key differences between microcontrollers and SBCs:
Microcontrollers
Microcontrollers are designed for projects that require a low-power, low-cost solution. They’re typically used in applications where space is limited, such as in wearable devices or automotive electronics. Microcontrollers typically have less processing power than an SBC, but they make up for this by being more energy-efficient.
Single-board computers
SBCs are designed for projects that require more processing power than a microcontroller can provide. They’re often used in applications where there’s a need for multitasking or multimedia support, such as in industrial automation or gaming systems. SBCs typically cost more than microcontrollers, but they offer more features and performance.
So, which one is right for your project? If you need a low-power solution with limited processing power, then a microcontroller is a good choice. If you need more processing power and features, then an SBC is the way to go.
Things to Consider When Using SBCs
There are a few things you should consider when using SBCs:
- Power Consumption: One of the most important things to consider when using an SBC is how much power it will consume. Some SBCs are designed to be used with batteries, while others need to be plugged into an AC outlet.
- Processing Power: Another thing to consider is the processing power of the SBC. This is important if you plan on running complex programs or if you need your SBC to perform multiple tasks at the same time.
- Connectivity: You will also need to consider the connectivity options of your SBC. Some boards come with built-in Wi-Fi or Ethernet, while others will require you to use an external adapter.
- Storage: Some SBCs come with built-in storage, while others will require you to use an external storage device.
- Operating System: finally, you will need to decide which operating system you want to use with your SBC. Some boards come with pre-installed operating systems, while others will require you to install your own.
Types of SBCs
There are two main types of SBCs: microcontrollers and microprocessors.
They are often used in applications where only a few operations need to be performed, such as in a thermostat or an alarm clock. Microcontrollers typically have less processing power than microprocessors.
They are often used in applications where many operations need to be performed, such as in a computer or a smartphone. Microprocessors typically have more processing power than microcontrollers.
How to Use SBC?
Now that you know what an SBC is and what to consider when using one, it’s time to learn how to use them. SBCs are used in a wide variety of projects, including:
- Robotics Projects: SBCs can be used to control the motors and sensors in a robot.
- Home Automation Projects: SBCs can be used to control the lights, appliances, and thermostats in your home.
- Internet of Things Projects: SBCs can be used to connect devices to the internet and to each other.
- Wearable Devices: SBCs can be used to power wearable devices, such as fitness trackers and smartwatches.
- 3D Printers: SBCs can be used to control the motors and sensors in a 3D printer.
How to Secure Your SBC?
Now that you know how to use an SBC, it’s important to learn how to secure it. Here are a few tips:
- Use a strong password: The first step in securing your SBC is to choose a strong password. A strong password should be at least 8 characters long and should include a mix of uppercase and lowercase letters, numbers, and symbols.
- Keep your software up to date: It’s important to keep your SBC’s operating system and software up to date. Software updates often include security fixes that can help protect your SBC from hackers.
- Use encryption: Encryption is a technique that can be used to protect your SBC’s data from being accessed by unauthorized users. When data is encrypted, it is converted into a code that can only be decrypted by someone with the correct key.
- Use a firewall: A firewall is a piece of software that can help protect your SBC from attacks by blocking incoming connections that are not authorized.
What Are The Benefits of Using an SBC?
There are many benefits of using an SBC, including:
- Cost: SBCs are typically less expensive than traditional PCs.
- Size: SBCs are usually smaller in size than traditional PCs. This makes them ideal for use in applications where space is limited.
- Power consumption: SBCs typically consume less power than traditional PCs. This makes them ideal for use in applications where power consumption is a concern.
- Flexibility: SBCs offer a lot of flexibility when it comes to choosing the right board for your project. There are many different types of SBCs available, so you can choose the one that best suits your needs.
What Are The Disadvantages of Using an SBC?
There are a few disadvantages of using an SBC, including:
- Limited processing power: SBCs typically have less processing power than traditional PCs. This can be a problem if you need to run resource-intensive applications on your SBC.
- Limited storage: SBCs typically have less storage than traditional PCs. This can be a problem if you need to store a lot of data on your SBC.
- Limited expansion options: SBCs usually have fewer expansion options than traditional PCs. This can be a problem if you need to add more peripherals to your SBC.
FAQ
Why is the Arduino Mega better?
The Arduino Mega has more memory, more analog inputs, and more digital pins than the Due. It also has an onboard USB-to-serial converter for programming.
What is the difference between the Arduino Uno and the Mega?
The Arduino Uno is based on the ATmega328P microcontroller, while the Mega is based on the ATmega2560. The Uno has 32 KB of flash memory, 2KB of SRAM, and 1KB of EEPROM, while the Mega has 256KB of flash memory, 8KB of SRAM, and 4KB of EEPROM. The Uno also has 14 digital I/O pins, while the Mega has 54.
What is an Arduino shield?
An Arduino shield is a board that adds functionality to an Arduino board. Shields can add sensors, LEDs, displays, buttons, and more.
What is special about the Arduino Due?
The Arduino Due is a microcontroller board based on the Atmel SAM3X8E ARM Cortex-M3 CPU. It is the first Arduino board based on a 32-bit ARM core microcontroller. The Due is significantly faster than the earlier 8-bit based Arduino boards and has more memory.
Is the Arduino Due discontinued?
Arduino has a few different models of boards, each one with its own advantages and disadvantages. The Arduino Due is the company’s most powerful board, offering significantly more processing power and memory than the other Arduino models. However, some users have complained that the Arduino Due is too complex for beginners, and that it is difficult to find compatible shields. As a result, Arduino has discontinued the Due and replaced it with the Mega.
Is Arduino Due compatible with Mega?
The Arduino Due is not compatible with the Mega. The two boards have different processors and cannot be used interchangeably.
Is Arduino Due worth it?
However, it is more expensive than other Arduino models and can be difficult to use for beginners. If you are new to Arduino, you may want to start with a less complex board such as the Uno or Mega.
Does NASA use Arduino?
Yes, NASA has used Arduino boards in a number of projects, including the Mars Curiosity Rover.
Can Arduino run forever?
No, the Arduino cannot run forever. The processor will eventually overheat and damage the board. It is important to take breaks when using the Arduino to allow it to cool down.
Can Arduino Mega Run 5V?
No, the Arduino Mega cannot run at 5V. It is not compatible with 5V power supplies.
Useful Video: Comparison Arduino Uno VS Arduino Mega | Arduino uno | Arduino mega
Conclusion
So, which is the better board for your project? If you need more processing power and memory, the Arduino Due is the way to go. If you need more I/O pins, the Arduino Mega is your best bet.
Both boards are great choices for a variety of projects. So, it really just comes down to what your specific needs are. No matter which board you choose, you’re sure to have a blast creating amazing projects!
References
- https://store-usa.arduino.cc/products/arduino-due
- https://docs.rs-online.com/ee06/0900766b80db99b0.pdf
- https://forum.arduino.cc/t/is-the-128kb-flash-limit-on-mega-2560-removed-by-arduino-ide-1-6-0/290281
- https://forum.arduino.cc/t/due-compatibility-with-mega-2560-v2-0-shield/375447
- https://blog.arduino.cc/2021/12/09/one-board-to-rule-them-all-history-of-the-arduino-uno/
- https://www.jalopyjournal.com/forum/threads/sbc-backfire-issue.942207/
