This is why in this post, two Arduino products—the Mega2560 and Uno R3—will be compared to help you make an educated choice whenever the need arises. Both Mega and Uno have a clock speed of 16MHz but the memory and storage space is different. The Ardunio Uno has 20 I/O pins, while the Mega has 70. If you buy through links on our site, we may earn a small commission. If you want to write considerably complex programs involving Ethernet shields and Micro SD cards it is recommended to go for Arduino Mega 2560 board. Arduino Mega provides plenty of pins, plenty in the sense way to much more than Arduino Uno. The UNO and Nano use the same processor which means that in terms of hardware and peripherals the UNO and Nano are identical. This is a massive upgrade to the Uno’s Mega328 making it approximately four times more powerful than the Uno. Some of the Popular boards from Arduino are: Diecimila, Duemilanove, UNO, Nano, Mini based on Atmel 328p. If the project needs a higher GPIO, it is better to use Mega in the system. But the need is to prototype something with a shield and less price options are needed, Uno is the option in the system. Let us discuss some key differences between Arduino Mega vs Uno in the following points: The table below summarizes the comparisons between Arduino Mega vs Uno: If the code is large in the project and lots of I/O pins are needed, then it is better to go with Mega microcontroller. The brain of the Meg 2560 is ATMega 328 which will be discussed as a criterion under technical features. The size of Mega is 4” x 2.1” and Uno is 2.7” x 2.1” that is smaller than Mega. The frequency/clock speed on these boards simply means how fast it can execute commands. The price of Uno comes $20-$23 while Mega is costly. Arduino to LCD projects – Using 3 Different... A Selection of the Best Arduino Simulators. Mega has a large number of pins among both. The bootloader footprint is 4kB or 8kB depending on the model used in the system. 14 of the 54 digital pins are used as PWM outputs and there are 16 analog inputs, 4 UARTS, crystal oscillator, USB connection, a power jack, and a reset button. Unlike the mobile giants, Apple—who release a flagship device annually—, the Arduino brand is known for its multiple product options which you can choose from when seeking to develop electronics/computing hardware. (Or, clones of them, respectively). By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy, Data Scientist vs Data Engineer vs Statistician, Business Analytics Vs Predictive Analytics, Artificial Intelligence vs Business Intelligence, Artificial Intelligence vs Human Intelligence, Business Analytics vs Business Intelligence, Business Intelligence vs Business Analytics, Business Intelligence vs Machine Learning, Data Visualization vs Business Intelligence, Machine Learning vs Artificial Intelligence, Predictive Analytics vs Descriptive Analytics, Predictive Modeling vs Predictive Analytics, Supervised Learning vs Reinforcement Learning, Supervised Learning vs Unsupervised Learning, Text Mining vs Natural Language Processing. Taking a look at the Arduino Uno, this most popular of boards are powered by the ATMega328 while for the Mega2560, its name connotes the microcontroller that powers it; the ATMega2560. Difference Between Arduino and ATmega328 AVR. Physical Features: this focuses on other features that can be seen by simply observing the physical board. Key differences between Arduino Mega vs Uno. We compare Uno r3, Leonardo, Micro, Nano, Mini, Mega 2560, Due, M0 Pro, Esplora, Yun, Mini boards and provide a tabulated version of the information for quick reference. The only difference is that the big boards like the NODEMCU ESP32 and the biggest board the Arduino MEGA R3 (54) has a lot of digital I/O pins. Recommendation. While Arduino UNO, Arduino Mega and Arduino Mini are commonly used, Arduino has a wider variety of boards like Arduino MKR 1000 which has Wi-Fi, Bluetooth, even a SIM card slot. Teensy 3.6 3. THE CERTIFICATION NAMES ARE THE TRADEMARKS OF THEIR RESPECTIVE OWNERS. Talking about inputting information, the Arduino Mega is equipped with 54 input and output pins with 16 of them serving as analog inputs while the Uno spots 14 I/O pins and 6 analog pins. Since the user interface is used more, there are a large number of interfaces that makes the architecture heavy. There are 54 digital pins used and 16 analog pins used in the system. Whether you need a lot of analog pins (UNO=6 Mega=16), or digital (all pins can be digital of course on both pins). Permanent storage memory is 4kB EEPROM  with working storage and memory storage being added to the system. The size is big and it does not fit easily with smaller development boards so designers cannot carry them easily all around. Let us discuss some key differences between Arduino Mega vs Uno in the following points: The size of Mega is 4” x 2.1” and Uno is 2.7” x 2.1” that is smaller than Mega. It is a multipurpose board and it’s using controller and can be powered directly from the USB battery or via an AC-to DC adapter which uses the ATmega 328 chip as the controller .If you are using an adapter you have to use a 9V or 12V wall-wart. Did it ever struck your mind what if you come out with an idea about a technology that is so revolutionary that with a blink of an eye, your technology is powerful and you become the sole king in the market. And we intend to kick-start this by: Comparing Technical Features—the first feature to be compared is the microcontroller which is basically the brain of every board. The criteria are: The Arduino Uno is universally known as the ‘stock Arduino’ due to its status as the most popular offering Arduino has offered its teeming users. While if the project has big codes and it needs lots of memory space to store the inputs and if the user is not a beginner, it is good to go with Mega on the board. For the price of an Arduino Uno board, one could get an Arduino … It is difficult to erase the memory of the controller all at once. As you can see, both boards—Mega2560 and Uno—share a couple of things in common as well as have their fair share of differences which raises the question of their usage. Also, if you decide to purchase one of these units, here’s a handy parts list: 1. Beginners who need less pins to work with and a board with less cost can select Uno as it is easy to handle and has less pins. Bootloader footprint is only 0.5kB and it does not work well with heavy load projects. 2. Uno has only 14 digital pins and 6 analog pins. It was a nice surprise to see that they all have the same clock speed at 16 MHz. Arduino Education is committed to empowering educators with the necessary hardware and software tools to create a more hands-on, innovative learning experience. The CH340 is an inexpensive USB-to-Serial chip (datasheet here) that takes the place of the Rev3 board’s more expensive ATmega16U2.This creates issues when programming the Arduino board with certain operating systems (specifically … PWM Pins: The ESP based boards have a better ratio between digital I/O pins and PWM pins, because the PWM is used by a digital pin. This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. All the codes written for Uno will work with Mega due to the less number of pins and the pins availability in Mega. Its well-known capabilities generally serve as the base features which other boards are compared to. And for those who still find setting technical terms confusing, we leave you with this; simply use the Arduino Uno when starting out and as you garner some experience, you will know when it’s time to move over to the Mega 2560. But its’ flash space and the power of its microprocessor, makes the Arduino Mega a product what purchasing for larger projects. The Arduino Uno and Arduino Uno revision 2 both have a LED and resistor connected in series on Arduino pin 13. Archived. It cannot be used in space-restricted applications. Desktop prototyping cannot be done obviously due to its size and shields cannot be used for the same. The Arduino Uno is by far more popular than the Nano, leading to much easier access to it. ALL RIGHTS RESERVED. Mega has a flash memory of 256kB while that of Uno is 32kB. Both come with a through-hole to fit into the system. The reset button is stronger and brings the controller back to its starting position in Uno. 8-Bit: Uno, Nano, and Mega. If the applications are simple with sensors, GPS, motor controls, or alarm, it is better to go with an Uno microcontroller. The microcontroller board with 54 digital input or output pins based on ATMega2560 is called Arduino Mega. Uno is the popular Arduino due to its smaller size and compatibility with software and hardware in the system. The Arduino MEGA 2560 is an upgrade to the popular Arduino Uno board, providing more pins, serial ports and memory. The Arduino Uno costs approximately $29 which marks it affordable when compared to other competing brands in the market. But in terms of programming space, huge differences … These features consist of items such as; flash space, USB, programming interface, etc. Extra circuits can be added to the Uno microcontroller but it makes the system complex and will not be easy to work with fussy circuits as expected. Arduino Uno or Arduino Nano 2. The only difference is, that the big boards, like the NodeMCU ESP32 (36) and of cause the biggest board, the Arduino MEGA R3 (54) has a lot of digital I/O pins. We're going to compare each of the Arduino Boards available to Maker's. As the name would imply, these boards are intended for use by more experienced Arduino-ers. There are four hardware ports in Mega so that higher speeds could be achieved with the use of different ports. There is no user interface and hence less interfaces are used. This Elegoo Arduino starter … 6 of them (D3, D5, D6, D9, D10, and D11) can be used as PWM outputs and 6 analog inputs, one serial communication line (D0, D1). But the code written for Mega will not work in Uno because all the pins are not available in Uno as Mega. Basically, the Arduino Uno was designed for beginners in the field of designing or developing hardware electronics. Read on for the battle royale Arduino Uno vs. Mega vs. Due! Arduino Mega vs Uno — Reviews and Buyer’s Guide November 29, 2019 We are reader-supported. The most popular being Arduino UNO. Cost:  generally, Arduino microcontrollers are quite affordable hardware pieces for your electronics project but the different prices of its products deserve to be mentioned. The revision 3 board buffers this LED/resistor through a unity gain op-amp. This processor’s most overlooked specification is the 2,048 bytes of RAM. Elegoo Arduino Starter Kit with Tutorial and Uno R3 – Excellent Value. The winner is the Arduino Uno. So here we come to the end of this comparing exercise between the Arduino Uno and Arduino Mega2560. If you are just getting started with Arduino, or if you want to create simple applications such as temperature sensor, gps interfacing, stepper motor control, … In short an ATmega328 is a microcontroller chip found on Arduino Uno boards. Arduino Uno R3. Breadboard and Wires The architecture is light when compared with MVP. Desktop prototyping can be easily done in the system with the use of shields as the size is small and memory is also less. Both can be connected to the computer using Standard A/B USB cable that is a part of the microcontroller system. The smaller size of the controller helps it easily fit with any development board and designers can carry it easily around the boarding system. Uno has 2kB SRAM space while Mega has 8kB SRAM space in the system. Also, on looking at the Mega, you will quickly note that it has extra LEDs, four serial ports compared to the Uno’s one. The Arduino Mega2560 should be viewed as one of Arduino’s flagship microcontrollers which spot a whole lot of features and more processing power than more traditional boards like the Uno. Most people know the size for the Uno (being 2.7” x 2.1”), but since the MKR series are built for IoT development, its form factor is efficiently packed to fit in almost any design with its 2.42” x 0.98” frame for all MKR boards. Despite what you might think, not all Arduinos are created equal. To illustrate, with this kit by Elegoo, you get over 200 components and the board for less than this kit made by Arduino themselves, which is more expensive, has less components, but comes with much nicer packaging, a printing booklet instead of a CD, and an official Arduino Uno R3. There is an in-circuit system programming header and a 16MHz ceramic resonator in the microcontroller Uno. You can also pot its 14 PWM outputs and 16 analog inputs. The price of Uno comes $20-$23 while Mega is … Arduino Uno board is the best choice for the beginners. This is a guide to Arduino Mega vs Uno. The components of Mega and Uno differ from each other. The CH340 Arduino board contains an ATmega328P-U-TH chip, which differs from the classic ATmega328P-PU in official Arduino Uno Rev3 boards. The Arduino Mega2560, on the other hand, costs approximately $50, which makes it a high-end Arduino product to make use of. The Arduino MEGA 2560 Hardware Manual is a reference and user guide for the Arduino MEGA 2560 hardware and firmware. Mega works with any other compatible shields while Uno is not compatible with the shields. There's still an ATmega328 on there, but removed are the connectors and USB-to-serial-converting circuitry. It comes around $36-$39 in the market. Digital pins 0 to 13 (and the adjacent AREF and GND pins), analog inputs 0 to 5, the power header, and ICSP header are all in equivalent locations. Due based on Arm Cortex M3 (32-bit) The Flash memory simply means how big of a sketch/code you can upload to your Arduino, therefore if … So when should either be used you may ask? All three Arduino boards have their own level of processing power, so let’s talk about their frequency/clock speed. If the code is large, it is better to go with Mega due to the memory. Although Arduino is the Apple of the microcontrollers industry, it shares more similarities with Samsung than Apple due to the multiple products it releases into the market at the same time. Take your students on a fun and inspiring journey through the world of programming and electronics. This website uses cookies to improve your experience. Accept Read More, Tutorial45.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com, Comparing Microcontrollers: Arduino Mega vs. Uno, Arduino Uno costs approximately $29 which marks it affordable, Arduino Mega a product what purchasing for larger projects, electronic products that do not require too many digital. And if the cost is a factor, the Nano is a better choice. These boards are very easy to use and due to their huge popularity, there is plenty of support from the maker community. Arduino UNO: Arduino UNO. The Mega appears to be the Uno on steroids. Who’s the winner: Arduino Mega 2560 vs Uno? Close. Mega and Mega 2560 R3 version based on Atmel 2560. Mega has a crystal oscillator and Uno has a ceramic resonator. It has a distinctive shape with a pseudo-standard header pinout. The board is … The Flash memory on the Uno and Micro are the same at 32 kB, while the Mega 2560 has 256 kB, giving it 8x more memory space! Introduction to Elegoo vs Arduino. It provides up-to-date hardware information for the Arduino MEGA 2560 revision 3 and earlier boards. Now, we are at the main course of this article; the comparison between the Arduino options introduced above. Arduino is a family of different type of controller boards, including Arduino Uno, Arduino Nano, Arduino Mega, Arduino Micro, Arduino micro mini etc. However, the Uno is a bit more expensive than the Nano. Before we go into the major differences, let’s take just a second to understand the Arduino and what makes it important. Arduino UNO is the best platform for the beginners. Its CPU is Microchip’s ATmega328P. By the phrase “Arduino”, we mean the boards which are designed and manufactured by the company named Arduino and officially supported by the Arduino IDE. It also explains the difference between Arduino and AVR microcontrollers in general and how ATmega328 and ATmega2560 microcontrollers relate to Arduino Uno and Arduino MEGA boards. Be aware, this board is almost twice as expensive as Arduino Uno. Different ports are not available but software could be used to speed up the system. Static Random Access Memory is used in Arduino systems. The Arduino Uno comes in at around $19.99 whil… Basically, this is the bare-minimum an Arduino needs to still be an Arduino. Mega vs Uno? Uno is an open-source microcontroller board of Arduino with ATMega328P. If complex programs have to be written with ethernet shields and huge memory is needed, it is better to go with Mega. NODEMCU ESP8266 VS ARDUINO UNO DIGITAL I/O, PWM, ANALOG PINS Digital I/O Pins:- The Variation between all boards regarding the digital I/O pins is nearly zero. It is important to note that the Uno comes in two types; through-hole and the SMD version—which uses either a through-hole or a surface-mount ATmega328. This makes it easy to understand the working of the system. The number of products from the Arduino brand means budding developers, as well as professionals when they have to choose among them when in need of a microcontroller. We'll assume you're ok with this, but you can opt-out if you wish. Tutorial45.com is a list of tutorials and great technologies by Andreea Georgiana, Aris Tchoukoualeu and friends. Mcp2515 Arduino Project: Using a Controller Area Network... Alegoo Super Starter Kit and UNO R3 Project... Nokia 5110 Arduino Project From Start to Hero. Uno does not have FTDI USB to Serial driver chip and hence it uses ATMega 16U2 that can work as a USB-to-Serial converter. This is the spare op-amp that was unused on previous boards. Hi, just wanted to know, is there any drawback in getting an Arduino Mega2560 vs an Uno R3? There are digital and analog input or output pins that can be connected with different expansion boards or circuits in the system. Among the digital pins, 15 have PWM in Mega and 6 in Uno. Since Uno is smaller in size, it helps to make easy and compact projects in the system than Mega. The Uno provides enough functionality to get a novice on his/her way to learning electronics and conducting less complicated projects. Arduino Pros are a scaled-down version of the Uno. Mega is used by engineers who are interested in hardcore electronics and it is not highly software compatible. Therefore when saddled with creating small electronic products that do not require too many digital pins and bigger memory space, the Arduino Uno is a perfect choice or decision to make. Permanent storage memory is 1kB EEPROM and there are other working storage and flash memory storage. Voltage, Program space and Clock Speed: Both the Arduino Uno can be powered with a voltage output of 5 volts and they share a similar clock speed of 16MHz. Below are the top 11 comparisons between Arduino Mega vs Uno: Hadoop, Data Science, Statistics & others. Physical Features: not surprisingly, both microcontroller boards look quite similar but the Mega2560 digital pin superiority is also evident. You may also have a look at the following articles to learn more –, All in One Data Science Bundle (360+ Courses, 50+ projects). If cost is a factor in your development, it can range from board to board as the MKR series have 5 (6 if you include header/non-header versions) boards in its series. © 2020 - EDUCBA. Mega vs Uno? On the other hand, if you find that your Arduino Uno is hitting a wall due to its limited digital pins or input/output, then taking the leap to use the much more powerful Arduino Mega is required. Also, if you end up running out of programming space when programming actions on your microcontroller, this means it is also high time to take that leap of faith to use the Arduino Mega2560. The Mega 2560 is designed to be compatible with most shields designed for the Uno and the older Diecimila or Duemilanove Arduino boards. Posted by 5 years ago. Arduino Uno board is the most popular controller board in the Arduino Family and is used throughout the world. Arduino Uno is a microcontroller board based on the ATmega328 which has 14 digital input/output pins. When the program is up and running, the variables can be created and manipulated in Mega due to its SRAM space while it does not happen in Uno. Extra circuits need not be added in the system as Mega is designed to work in complex projects and has circuits and power designed in such a manner. To provide a level playing field, the comparison will be done using a set of criteria that both of our candidates will have to go up against. The Uno is the favored starting point for Arduino projects. While the Mega is a large Arduino with plenty of GPIO, its CPU speed is still the same as that found on the UNO and Nano (same Mega family) and so there is no speed advantage to using the Mega. The reset button is not strong and does not reset everything in the system. Here we discuss the Arduino Mega vs Uno key differences with infographics and comparison table. Uno does not have a higher GPIO but it has a stronger CPU similar to other Arduino microcontrollers. Be connected to the Uno’s Mega328 making it approximately four times more powerful than the.... Boards have their own level of processing power, so let’s talk about their frequency/clock speed on these are! Option in the microcontroller Uno the spare op-amp that was unused on previous boards interfaces that makes the Mega! Get a novice on his/her way to learning electronics and it does not easily... 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