Site Language

Translate

Danish Dutch English French German

CashBack Реальный возврат при покупках в интернете

CashBack Все честно и без обмана

Mega

The Mega 2560 is a microcontroller board based on the It has 54 digital input/output pins (of which 15 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 a AC-to-DC adapter or battery to get started. The Mega 2560 board is compatible with most shields designed for the Uno and the former boards Duemilanove or Diecimila.

The Mega 2560 is an update to the Arduino Mega, which it replaces.

 Mega  

You can find here your board warranty informations.

Getting Started

You can find in the Gett‑ing Started section all the information you need to configure your board, use the Arduino Software (IDE), and start tinker with coding and electronics.

Technical specs

Microcontroller

ATmega2560

Operating Voltage

5V

Input Voltage (recommended)

7-12V

Input Voltage (limit)

6-20V

Digital I/O Pins

54 (of which 15 provide PWM output)

Analog Input Pins

16

DC Current per I/O Pin

20 mA

DC Current for 3.3V Pin

50 mA

Flash Memory

256 KB of which 8 KB used by bootloader

SRAM

8 KB

EEPROM

4 KB

Clock Speed

16 MHz

Length

101.52 mm

Width

53.3 mm

Weight

37 g

Documentation

OSH: Schematics, Reference Design, Board size

Arduino / Genuino Mega 2560 is open-source hardware! You can build your own board using the follwing files:

EAGLE FILES IN .ZIP

SCHEMATICS IN .PDF

BOARD SIZE IN .DXF

Programming

The Mega 2560 board can be programmed with the Arduino Software (IDE). For details, see the reference and tutorials.

The ATmega2560 on the Mega 2560 comes preprogrammed with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol (reference, C header files).

You can also bypass the bootloader and program the microcontroller through the ICSP (In-Circuit Serial Programming) header using Arduino ISP or similar; see these instructions for details.

The ATmega16U2 (or 8U2 in the rev1 and rev2 boards) firmware source code is available in the Arduino repository. The ATmega16U2/8U2 is loaded with a DFU bootloader, which can be activated by:

  • On Rev1 boards: connecting the solder jumper on the back of the board (near the map of Italy) and then resetting the 8U2.
  • On Rev2 or later boards: there is a resistor that pulling the 8U2/16U2 HWB line to ground, making it easier to put into DFU mode. You can then use Atmel's FLIP software (Windows) or the DFU programmer (Mac OS X and Linux) to load a new firmware. Or you can use the ISP header with an external programmer (overwriting the DFU bootloader). See this user-contributed tutorial for more information.

Warnings

The Mega 2560 has a resettable polyfuse that protects your computer's USB ports from shorts and overcurrent. Although most computers provide their own internal protection, the fuse provides an extra layer of protection. If more than 500 mA is applied to the USB port, the fuse will automatically break the connection until the short or overload is removed.

Power

The Mega 2560 can be powered via the USB connection or with an external power supply. The power source is selected automatically.

External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery. The adapter can be connected by plugging a 2.1mm center-positive plug into the board's power jack. Leads from a battery can be inserted in the GND and Vin pin headers of the POWER connector.

The board can operate on an external supply of 6 to 20 volts. If supplied with less than 7V, however, the 5V pin may supply less than five volts and the board may become unstable. If using more than 12V, the voltage regulator may overheat and damage the board. The recommended range is 7 to 12 volts.

The power pins are as follows:

  • Vin. The input voltage to the board when it's using an external power source (as opposed to 5 volts from the USB connection or other regulated power source). You can supply voltage through this pin, or, if supplying voltage via the power jack, access it through this pin.
  • 5V. This pin outputs a regulated 5V from the regulator on the board. The board can be supplied with power either from the DC power jack (7 - 12V), the USB connector (5V), or the VIN pin of the board (7-12V). Supplying voltage via the 5V or 3.3V pins bypasses the regulator, and can damage your board. We don't advise it.
  • 3V3. A 3.3 volt supply generated by the on-board regulator. Maximum current draw is 50 mA.
  • GND. Ground pins.
  • IOREF. This pin on the board provides the voltage reference with which the microcontroller operates. A properly configured shield can read the IOREF pin voltage and select the appropriate power source or enable voltage translators on the outputs for working with the 5V or 3.3V.

Memory

The ATmega2560 has 256 KB of flash memory for storing code (of which 8 KB is used for the bootloader), 8 KB of SRAM and 4 KB of EEPROM (which can be read and written with the EEPROM library).

Input and Output

See the mapping between Arduino pins and Atmega2560 ports:

PIN MAPPING Atmega2560

Each of the 54 digital pins on the Mega can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead()They operate at 5 volts. Each pin can provide or receive 20 mA as recommended operating condition and has an internal pull-up resistor (disconnected by default) of 20-50 k ohm. A maximum of 40mA is the value that must not be exceeded to avoid permanent damage to the microcontroller.

In addition, some pins have specialized functions:

  • Serial: 0 (RX) and 1 (TX); Serial 1: 19 (RX) and 18 (TX); Serial 2: 17 (RX) and 16 (TX); Serial 3: 15 (RX) and 14 (TX). Used to receive (RX) and transmit (TX) TTL serial data. Pins 0 and 1 are also connected to the corresponding pins of the ATmega16U2 USB-to-TTL Serial chip.
  • External Interrupts: 2 (interrupt 0), 3 (interrupt 1), 18 (interrupt 5), 19 (interrupt 4), 20 (interrupt 3), and 21 (interrupt 2). These pins can be configured to trigger an interrupt on a low level, a rising or falling edge, or a change in level. See the attachInterrupt() function for details.
  • PWM: 2 to 13 and 44 to 46. Provide 8-bit PWM output with the analogWrite() function.
  • SPI: 50 (MISO), 51 (MOSI), 52 (SCK), 53 (SS). These pins support SPI communication using the SPI library. The SPI pins are also broken out on the ICSP header, which is physically compatible with the Arduino /Genuino Uno and the old Duemilanove and Diecimila Arduino boards.
  • LED: 13. There is a built-in LED connected to digital pin 13. When the pin is HIGH value, the LED is on, when the pin is LOW, it's off.
  • TWI: 20 (SDA) and 21 (SCL). Support TWI communication using the Wire library. Note that these pins are not in the same location as the TWI pins on the old Duemilanove or Diecimila Arduino boards.

See also the mapping Arduino Mega 2560 PIN diagram.

The Mega 2560 has 16 analog inputs, each of which provide 10 bits of resolution (i.e. 1024 different values). By default they measure from ground to 5 volts, though is it possible to change the upper end of their range using the AREF pin and analogReference() function.
There are a couple of other pins on the board:

  • AREF. Reference voltage for the analog inputs. Used with analogReference().
  • Reset. Bring this line LOW to reset the microcontroller. Typically used to add a reset button to shields which block the one on the board.

Communication

The Mega 2560 board has a number of facilities for communicating with a computer, another board, or other microcontrollers. The ATmega2560 provides four hardware UARTs for TTL (5V) serial communication. An ATmega16U2 (ATmega 8U2 on the revision 1 and revision 2 boards) on the board channels one of these over USB and provides a virtual com port to software on the computer (Windows machines will need a .inf file, but OSX and Linux machines will recognize the board as a COM port automatically. The Arduino Software (IDE) includes a serial monitor which allows simple textual data to be sent to and from the board. The RX and TX LEDs on the board will flash when data is being transmitted via the ATmega8U2/ATmega16U2 chip and USB connection to the computer (but not for serial communication on pins 0 and 1).

A SoftwareSerial library allows for serial communication on any of the Mega 2560's digital pins.

The Mega 2560 also supports TWI and SPI communication. The Arduino Software (IDE) includes a Wire library to simplify use of the TWI bus; see the documentation for details. For SPI communication, use the SPI library.

Physical Characteristics and Shield Compatibility

The maximum length and width of the Mega 2560 PCB are 4 and 2.1 inches respectively, with the USB connector and power jack extending beyond the former dimension. Three screw holes allow the board to be attached to a surface or case. Note that the distance between digital pins 7 and 8 is 160 mil (0.16"), not an even multiple of the 100 mil spacing of the other pins.

The Mega 2560 is designed to be compatible with most shields designed for the Uno and the older Diecimila or Duemilanove Arduino boards. 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. Furthermore, the main UART (serial port) is located on the same pins (0 and 1), as are external interrupts 0 and 1 (pins 2 and 3 respectively). SPI is available through the ICSP header on both the Mega 2560 and Duemilanove / Diecimila boards. Please note that I2C is not located on the same pins on the Mega 2560 board (20 and 21) as the Duemilanove / Diecimila boards (analog inputs 4 and 5).

Automatic (Software) Reset

Rather then requiring a physical press of the reset button before an upload, the Mega 2560 is designed in a way that allows it to be reset by software running on a connected computer. One of the hardware flow control lines (DTR) of the ATmega8U2 is connected to the reset line of the ATmega2560 via a 100 nanofarad capacitor. When this line is asserted (taken low), the reset line drops long enough to reset the chip. The Arduino Software (IDE) uses this capability to allow you to upload code by simply pressing the upload button in the Arduino environment. This means that the bootloader can have a shorter timeout, as the lowering of DTR can be well-coordinated with the start of the upload.

This setup has other implications. When the Mega 2560 board is connected to either a computer running Mac OS X or Linux, it resets each time a connection is made to it from software (via USB). For the following half-second or so, the bootloader is running on the ATMega2560. While it is programmed to ignore malformed data (i.e. anything besides an upload of new code), it will intercept the first few bytes of data sent to the board after a connection is opened. If a sketch running on the board receives one-time configuration or other data when it first starts, make sure that the software with which it communicates waits a second after opening the connection and before sending this data.

The Mega 2560 board contains a trace that can be cut to disable the auto-reset. The pads on either side of the trace can be soldered together to re-enable it. It's labeled "RESET-EN". You may also be able to disable the auto-reset by connecting a 110 ohm resistor from 5V to the reset line; see this forum thread for details.

Revisions

The Mega 2560 does not use the FTDI USB-to-serial driver chip used in past designs. Instead, it features the ATmega16U2 (ATmega8U2 in the revision 1 and revision 2 Arduino boards) programmed as a USB-to-serial converter.
Revision 2 of the Mega 2560 board has a resistor pulling the 8U2 HWB line to ground, making it easier to put into DFU mode.
Revision 3 of the Arduino board and the current Genuino Mega 2560 have the following improved features:

  • 1.0 pinout: SDA and SCL pins - near to the AREF pin - and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the board that uses ATSAM3X8E, that operate with 3.3V. The second one is a not connected pin, that is reserved for future purposes.
  • Stronger RESET circuit.
  • Atmega 16U2 replace the 8U2.

Плата расширения L293D, ИК-датчик VS1838B, TFT LCD, Модем M590E GSM GPRS, "монитор TFT LCD, датчик движения HC-SR501, ИК-пульт дистанционного управления, Радиомодуль NRF24L01, SD Card Module, Звуковой модуль, 5-axis stepper motor driver, Шаговый двигатель, Модем M590E GSM GPRS, 5-axis stepper motor driver, Часы реального времени DS 3231/DS 1307, терморегулятор W1209 DC, Релейный модуль, датчик движения HC-SR501, Модуль Wi-Fi ESP8266-12E, датчик движения HC-SR501, Передатчик и приемник в диапазоне RF 433 Mhz, Блок питания, L293D, Микросхема контроллера коллекторного электродвигателя, ИК-пульт дистанционного управления, Датчики контроля температуры, Радиомодуль NRF24L01, OKI 120A2, Rotary Encoder, SD Card Module, Беспроводной пульт дистанционного управления, Микросхема контроллера коллекторного электродвигателя, Модуль Bluetooth HC-06,, Модем M590E GSM GPRS, Часы реального времени DS 3231/DS 1307, Mini 360 на схеме LM2596, MP3-TF-16P, L293D, Модуль LCD монитора, Инфракрасные датчики расстояния, Часы реального времени, USB Host Shield, HC-SR501, Cветочувствительный датчик сопротивления, блок питания Mini 360 на схеме LM2596, ЖК-дисплей TFT дисплей, Контроллер L298N, HC-SR501, Модуль MP3 Player WTV020, GSM GPRS, Сервоприводы, Модем M590E GSM GPRS, Часы реального времени DS 3231/DS 1307, Модуль Wi-Fi ESP8266-12E, Инфракрасные датчики расстояния, Card Module, Ультразвуковые дальномеры HC-SR04, Блок питания, Карта памяти SD, Mini 360, Ethernet shield, L293D, блок питания Mini 360 на схеме LM2596, Радиомодуль, датчик температуры DS18B20, ИК-пульт дистанционного управления, USB конвертер UART, ИК-пульт, Антена для модуля WiFi, Ethernet shield, Модуль блока питания XL6009, Микросхема контроллера коллекторного электродвигателя, Модуль качества воздуха MQ-135, Микросхема контроллера коллекторного электродвигателя, ИК-пульт дистанционного управления, SD Card Module, Радиомодуль NRF24L01, двигатель OKI, 5-axis stepper motor driver, L293D, TB6560, Драйвер шагового двигателя TB6600, Шаговый двигатель, Модуль камеры, Блок питания, L293D, блок питания Mini 360 на схеме LM2596, 5axis mach3 interface, Карта памяти SD, Ethernet shield, Контроллер L298N, датчик движения HC-SR501, Модуль Wi-Fi ESP8266-12E, Модуль LCD монитора LCD1602, Шаговый двигатель OKI 120A2, Шаговый двигатель, Шаговый двигатель.

All Vintage Vinyl Records VinylSU.xyz

1.png2.png3.png4.png5.png

РУБИКОН Группа «Мозаика», ИЕРОГЛИФ ГРУППА «ПИКНИК», В ПОЛЁТ ГРУППА «ТЯЖЕЛЫЙ ДЕНЬ», Группа «Алиса», Бенни Гудмен, Равноденствие ГРУППА «АКВАРИУМ», Элтон Джон Твоя песня, Демон Группа «Август», Deep Purple – The House Of Blue Light, «Лед Зеппелин» Led Zeppelin, «Акцепт», Doors, «Металлика», АНСАМБЛЬ „UB 40", группа «Зоопарк», рок-группа «ЗОДИАК», «Браво», «Кино», Rolling Stones «Роллинг стоунз», РОК-ГРУППА «МАШИНА ВРЕМЕНИ»,«Кокто твинз», Группа «ДИАЛОГ», Bill Evans, Джимми Лансфорд, Флетчера Хендерсона, Дюк Эллингтон, Каунт Бейси, АНСАМБЛЬ "THE MOODY BLUES", Элвис Пресли, "Юнона" и "Авось" , Дж. Верди Реквием G.Verdi Requiem Mass, Элтон Джон, Реджинальд Кеннет Дуайт, АББА, ABBA, “Deep Purple”, «ЧЕЛОВЕК С БУЛЬВАРА КАПУЦИНОВ», “Rolling Stone”, Instrumrutal rock group Zodiac,‘‘Long Tall Ernie and The Shakers”, “The Beatles”, "Tom Fcgerty and The Blue Velvets", "Creedruce Clearwater Revival","Greru River" "Bayou Country", "Willy and The Poorboys", Varnishing Day Songs on Ilya Reznik's lirics , Leo Sayer ЛЕО СЕЙЕР, Boney M,"Waiting For The Sun", Doors «ДОРЗ», "Piper At The Gates Of Dawn", Led Zeppelin ? «ЛЕД ЗЕППЕЛИН», Rolling Stones , "Юнона" и "Авось" Опера Либретто, «РОЛЛИНГ СТОУНЗ», Modern talking,"Aftermath", «ДОМ ГОЛУБОГО СВЕТА», "Out Of Our Heads", Ricchi E Poveri, PINK FLOYD «Пинк Флойд», Vladimir Kuzmin, ПОЛ МАККАРТНИ Paul McCartney, «TWruTY FLIGHT ROCK», Creedruce Clearvater revival Traveling band,«LAWDY. MISS CLAWDY», «BRING IT ON HOME TO ME», Light My Fire,«DON'T GET AROUND MUCH ANY MORE», МУЗЫКАЛЬНЫЙ ТЕЛЕТАЙП-3,«I'М GONNA BE A WHEEL SOME DAY», МОДЕРН ТОКИНГ,«AINT THAT A SHAME», «THAT'S ALL RIGHT (МАМА)», АНСАМБЛЬ UB 40, «JUST BECAUSE», МИГЕЛЬ РАМОС, «SUMMERTIME», "АНСАМБЛЬ "THE MOODY BLUES", «CRACKIN UP», ТНЕ СОММОDORES, «MIDNIGHT SPECIAL», АННА ГEРМАН, Deep Purple «ДИП ПЁРПЛ», „Deep Purple in Rock", Андрей Миронов, Олег Табаков, Михаил Боярский, Николай Караченцов, Альберт Филозов, Олег Анофриев, Игорь Кваша, Леонид Ярмольник, ИЛЬЯ РЕЗНИК , Резанов Николай Петрович, ВЛАДИМИР ВЫСОЦКИЙ, Роджер Уотерс, АЛЕКСАНДР РОЗЕНБАУМ, Ричард Райт и Ник Мэйсон, ВЛАДИМИР КУЗЬМИН, Элвис Аарон Пресли, Leo Sayer, АДРИАНО ЧЕЛЕНТАНО, Билл Эванс, Клаудия Мори....

и это еще не конец.

С уваженим Dron!