Before diving deep into the discussion it is important to keep in mind that the Arduino MEGA should be used in the case when Arduino UNO does not meet the requirements of the project.Let us now learn some of the common specifications of the Arduino MEGA microcontroller development board. ![]() I will go through in detail about how to write a code and upload it in Arduino MEGA later in the post.Īrduino MEGA Features In short Arduino MEGA is quite easy to program it is just a matter of few clicks. By integrated Development Environment it means that all the steps that editor, compiler, burner are integrated in the same software. In case of Arduino all these steps are performed in single software which is called the Arduino IDE. As most of you might have known that in order to program a microcontroller one need to write the code in the editor, and then compile that code in the compiler after which you get the HEX file of that code and later upload that HEX file in the microcontroller IC using another program. The care should be taken while configuring the Arduino MEGA pins. The Arduino MEGA can also be programmed in the similar way that is the programming of the Arduino MEGA is not different from that of the Arduino DUEhowever it should be kept in mind that Arduino MEGA has different number of pins and different pin configuration. In the post on the Arduino DUE we learned that the Arduino DUE can easily be programmed using the Arduino IDE. The discussion on the JTAG will be followed in the post later.Īrduino Integrated Development Environment (IDE) One additional feature of the Arduino MEGA is that this board also has the JTAG port. ![]() Out of these 54 digital input / output pins fifteen are PWM (Pulse Width Modulation) enabled pins. Arduino MEGA has four UARTS for serial communications, one Serial Peripheral Interface computer bus and one I2C (Inter-Integrated Circuit) computer bus.Note that the Arduino UNO has much lesser Digital Input / Output pins and Analog pins than Arduino MEGA board. Arduino MEGA has total 54 digital input / output pins and sixteen analog pins.This microcontroller chip is different from the ATMEGA328P in terms of the digital Input / Output pins, Analog pins and other basic features which will be discussed in detail.Arduino MEGA is the open-source microcontroller development board based on the ATMEGA 2560 microcontroller IC.So sit back, keep reading and enjoy learning. In this post ( ARDUINO MEGA FOR BEGINNERS)I will discuss the overview of the Arduino MEGA board, pinout of the Arduino MEGA, specifications of the Arduino MEGA, microcontroller IC on which Arduino MEGA is based and finally the comparison of the Arduino UNO board with the Arduino MEGA board. Arduino Tutorial Online Courses Video Training.Arduino Nano Projects List in PDF offline downloadable.Android based arduino Projects List Download PDF.esp8266 arduino projects list in pdf offline downloadable.Arduino Proteus Projects List for Download.Arduino UNO Projects List in PDF offline downloadable.Arduino Mega 2560 projects list in PDF offline downloadable.Arduino Complete Projects List PDF Downloadable.Huge List of tutorials & Components based resources.Also, if I use the shield, can I not use them (50 - 53) for digital IO. So how can Mega use these pins to communicate with the shield. The shield is compatible with UNO and Mega, so placed over and extends the same pins (0 - SCL & A5 - IOREF), it can't be placed over 50, 51, 52 on Mega. On the Mega, the hardware SS pin, 53, is not used to select either the W5500 or the SD card, but it must be kept as an output or the SPI interface won't work. These pins cannot be used for general I/O. On both boards, pin 10 is used to select the W5500 and pin 4 for the SD card. This is on digital pins 10, 11, 12, and 13 on the Uno and pins 50, 51, and 52 on the Mega. On the Mega, the hardware SS pin, 53, is not used to select the Ethernet controller chip, but it must be kept as an output or the SPI interface won't work.Īrduino communicates with both the W5500 and SD card using the SPI bus (through the ICSP header). This is on digital pins 11, 12, and 13 on the Uno and pins 50, 51, and 52 on the Mega. ![]() The Arduino board communicates with the shield using the SPI bus. Just starting with Mega and bit confused about the documentation.
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