![]() ![]() ![]() For more information on the Uno, check out this article. The Arduino Mega 2560 is a fantastic option for use in prototyping with ease, especially for 3D printers and robotics, where the Uno just doesn’t hold up. The Mega’s shield selection includes any shield compatible with the Arduino Duemilanove and Diecimila. Using a shield gives your Mega board display options, Wi-Fi connectivity or even video game emulation software with relative ease. These preassembled PCBs interface directly into the Mega’s headers and give the board incredible capabilities in a condensed package. Gravity: Factory Calibrated Electrochemical CO Sensor (0-1000 ppm, I2C & UART) 66.90. With it, anyone can add to or use the massive selection of codes to provide easy access to a world of programming possibilities.Īnother prominent feature of all Arduino boards, including the Mega, are the Arduino shields. DFRduino Mega2560 (Arduino Mega 2560 R3 Compatible) DIN Rail Mount Bracket for Arduino Mega. The open-source coding terminal has a variety of features that make it accessible to both novices and programming gurus alike, most notably the IDE’s associated library of projects and other syntaxes created by the massive community of Arduino users. Like the Uno, the Mega operates in the Arduino Integrated Development Environment (IDE). SKU: A000067 Arduino® Mega 2560 is an exemplary development board dedicated for building extensive applications as compared to other maker boards by Arduino. Arduino Mega 2560 Pinout DiagramĪs far as other hardware on the Mega goes, it also touts four serial ports for general attachments, a USB connection (with a dedicated ATmega16U2 processor for interfacing with your computer), a reset button and a power supply port. See the graphic below for a (dare I say) mega-map of the Mega’s pins. Because of its brawnier processor, the Mega has 54 digital I/O pins (15 of which can provide PWM output) and 16 analog pins, which is almost four times that of its little brother, the Uno. Each pin can provide or receive a maximum of 40 mA and has an internal pull-up resistor (disconnected by default) of 20-50 kOhms. Thanks to the ATmega2560 (and its associated crystal oscillator), the Arduino Mega sports 16 MHz clocking speed, as well as 256 KB of flash, 8 KB of SRAM and 4 KB of EEPROM. An application that does not require a strong CPU but needs plenty of GPIO will do well with the Mega.Īnalog projects can be done with all the Arduino boards, but the Due stands out with 12 analog inputs and 2 analog outputs.As stated before, the brain behind the Arduino Mega is the ATmega2560. If a project requires plenty of GPIO, the Due and Mega are the obvious choices. The UNO and Nano use the same processor which means that in terms of hardware and peripherals the UNO and Nano are identical. 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. ![]() If a project requires high processing power, the Due comes out on top with its powerful ARM core and large RAM/ROM. The Mega and Due are much larger boards which makes them difficult to use in space restricted applications. The UNO is a medium sized development board but is still small enough to be mounted to many projects including remote-controlled devices such as RC cars and boats. When it comes to physical dimensions the Arduino Nano is the smallest and is a very portable device. When looking at hardware the following should be considered: While the cost aspect of each Arduino is obvious (the lowest cost option is always the preference), the hardware may not be so easy to determine. The deciding factor each project will use comes down to two basic things: hardware and cost. This means that you are unlikely to fall into device-specific traps that could prevent a piece of code from working because of hardware configurations or inherent bugs.Īrduino code can be easily transferred to different boards with virtually no changes which is highly beneficial to any designers wanting to change their mind about what board their project will use. Now that we looked at some of the details about each board, optimal uses of each board can be determined.Īlthough the UNO is the most popular board, all boards have excellent support through online forums thanks to the common architecture and the use of a common language and IDE. ![]()
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