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MEGA2560 R3 Board Atmega2560 ATMEGA16U2 with USB Cable Compatible with Arduino

The Mega2560 Board is 100% compatible with Arduino IDE and most shields designed for the mega2560 r3 board.
The chip is Atmega2560-16au and Atmega16u2, same with the official version.
Improved and expert version: 1.0 pinout: added SDA and SCL pins that are 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 Due that operate with 3.3V. The second one is a not connected pin, that is reserved for future purposes.
Stronger RESET circuit.Use 5.5 * 2.1mm DC barrel jack (compatible with 5.5 * 2.5mm DC barrel jack)
It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.

From the manufacturer

Elegoo Mega 2560 R3

Elegoo Mega 2560 R3 is an ATmega2560 micro-controller board. It is designed for more complex projects. It would be an intelligent choice of board for 3D printers, robotics projects and more other projects with 54 digital I/O pins (of which 15 can be used as PWM outputs), 16 analog inputs and a larger space for your sketch. This gives your projects plenty of room and opportunities.

Product Details

Extra Points:

Besides the 54 digital I/O pins and 16 analog inputs, it also has 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It provides everything needed to support the micro-controller. You will simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.

Simplification and Security:

The ATmega2560 on the Elegoo Mega 2560 comes preprogrammed with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. The Mega 2560 has a re-settable fuse that protects your computer's USB ports from shorts and over-current. 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.

Memory Store:

The ATmega2560 of Elegoo Mega 2560 R3 Controller Board has 256 KB of flash memory for storing code (of which 8 KB is used for the bootloader), 8 KB of Spram and 4 KB of EEPROM (which can be read and written with the Eeprom library).

Diverse Power Methods:

The Elegoo Mega 2560 R3 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.

Technical Specification:

Microcontroller: ATmega2560

Controller chip: Atmega2560-16au and Atmega16u2

Operating Voltage: 5V ; Input: Voltage (recommended):7-9V

Digital I/O Pins: 54 (of which 15 provide PWM output)

Analog Input Pins: 16 DC

Current per I/O Pin: 40 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 LED_BUILTIN: 13

Length: 101.5 mm Width: 53.3 mm Weight: 34 g

Controller Board	UNO R3	NANO	NANO	UNO R3	MEGA2560	UNO R3
Arduino Compatible	✓	✓	✓	✓	✓	✓

Country/Region of origin	China
Memory Storage Capacity	256 KB
Product dimensions	5.08 x 10.16 x 2.54 cm; 63.5 Grams
Is discontinued by manufacturer	No
Wireless Type	Bluetooth
Hard Disk Description	HDD
Hardware Interface	USB
Item Model Number	EL-CB-003
Batteries Included	No
Batteries Required	No
Connector Type	USB
Item Weight	63.5 g
Human interface input	Buttons
Has Auto Focus	No
Standing screen display size	3
Model	EL-CB-003
Part Number	EL-CB-003
Number of items	1
Has Programmable Buttons	No
Graphics Card Interface	AGP
Hard Drive Interface	IDE

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