Arduino Mega 2560 (with cable)

-25% Arduino Mega 2560 (with cable)

OVERVIEW:

The Mega 2560 is a microcontroller board based on the ATmega2560. 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 micro controller; 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.


Software Serial Library

The Arduino hardware has built-in support for serial communication on pins 0 and 1 (which also goes to the computer via the USB connection). The native serial support happens via a piece of hardware (built into the chip) called a UART. This hardware allows the Atmega chip to receive serial communication even while working on other tasks, as long as there room in the 64 byte serial buffer.
The SoftwareSerial library has been developed to allow serial communication on other digital pins of the Arduino, using software to replicate the functionality (hence the name "SoftwareSerial"). It is possible to have multiple software serial ports with speeds up to 115200 bps. A parameter enables inverted signaling for devices which require that protocol.
The version of SoftwareSerial included in 1.0 and later is based on the NewSoftSerial library by Mikal Hart.


Limitations:

The library has the following known limitations:

If using multiple software serial ports, only one can receive data at a time.Not all pins on the Mega and Mega 2560 support change interrupts, so only the following can be used for RX: 10, 11, 12, 13, 14, 15, 50, 51, 52, 53, A8 (62), A9 (63), A10 (64), A11 (65), A12 (66), A13 (67), A14 (68), A15 (69). Not all pins on the Leonardo and Micro support change interrupts, so only the following can be used for RX: 8, 9, 10, 11, 14 (MISO), 15 (SCK), 16 (MOSI).

On Arduino or Genuino 101 the current maximum RX speed is 57600bps.

On Arduino or Genuino 101 RX doesn't work on Pin 13

If your project requires simultaneous data flows, see Paul Stoffregen's AltSoftSerial libraryAltSoftSerial overcomes a number of other issues with the core SoftwareSerial, but has it's own limitations. Refer to the AltSoftSerial site for more information.

Summary
MicrocontrollerATmega2560
Operating Voltage5V
Input Voltage (recommended)7-12V
Input Voltage (limits)6-20V
Digital I/O Pins54
Analog Input Pins16
DC Current per I/O pin40ma
DC Current for 3.3V pin50ma
PWM Pins15
Flash Memory128KB
SRAM8KB
EEPROM4KB
Clock Speed16MHz
Weight37gm
Dimension (L x W)101.52mm * 53.3mm

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  • Views: 5195
  • Brand: Arduino
  • Product Code: EBAR-B-01
  • Availability: In Stock
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