Does this need external power or does it power through usb connection?? If external what power supply is recommended?

Hi, the answer is both - either - but not at the same time! When you are downloading a sketch, the USB powers things, but for remote running in a project, it will run off 7-12 volts into a jack. I have an old HDD psu that plugs into the mains and gives 12v at 1.5 amps, and that's fine. I hope this helps

can I use any usb cable for this? I can't find a cable that states it is compatible. Amazon's earch is no good. sort it out.

You will require a USB cable type 1,2 or 3 with the other end a USB type B plug as per the image shown of the Arduino board and the type B socket [upper left] on the Mega board in order to upload sketches. The lower black socket is for a standard 9V din plug. I'm not sure if the Amazon offer includes a cable or not, it does not make that clear.

is this an original arduino board?

The official Arduino website are selling the MEGA 2560 R3 at 35 euros (+ tax). They also have this information available free for you to assess whether the arduino you have is authentic. https://www.arduino.cc/en/Products/Counterfeit I cannot tell from the information you have posted, but it does seem about the same price as a genuine board.

Does this really have WiFi?

Hello, The board has an ATmega2560 which has 54 digital input/output connections (14 of which can be used as PWM outputs), 16 analog outputs, 4 UARTs, a 16 MHz processor, a USB connection, a power connection. Operating voltage 5V. Best regards, Lemona electronics

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Description

🚀 Elevate your prototyping game with the Arduino Mega 2560 – where complexity meets creativity!

MASSIVE I O ARSENAL - 54 digital pins and 16 analog inputs to connect every sensor, motor, and module imaginable.
POWERHOUSE MICROCONTROLLER - ATmega2560 running at a lightning-fast 16 MHz for seamless multitasking.
PLUG PLAY USB PROGRAMMING - Effortless sketch uploads and serial communication via built-in USB interface.
ULTIMATE PROJECT FLEXIBILITY - Ideal for robotics, IoT, 3D printing, and home automation with multiple UARTs and expanded memory.
GLOBAL MAKER COMMUNITY ACCESS - Full Arduino IDE compatibility unlocks endless libraries, tutorials, and collaborative innovation.

The Arduino Mega 2560 REV3 is a professional-grade microcontroller board featuring the ATmega2560 chip running at 16 MHz, equipped with 54 digital I/O pins, 16 analog inputs, and 256KB of flash memory. Designed for advanced projects, it supports multiple serial ports and USB programming, seamlessly integrating with the Arduino IDE to empower makers and engineers to build complex robotics, IoT devices, and automation systems.

Specifications

Brand	Arduino
Product Dimensions	11.7 x 6 x 2.5 cm; 36 g
Item model number	2152366
Manufacturer	Arduino
Series	Arduino Mega 2560 REV3 [A000067]
Colour	r.blue
Standing screen display size	1 Inches
Screen Resolution	1920
Resolution	1920 Pixels
Processor Brand	Atmel
Processor Type	Handheld Engine CXD2230GA
Processor Speed	16 MHz
Processor Count	1
RAM Size	8 KB
Memory Technology	DDR
Computer Memory Type	SRAM
Maximum Memory Supported	16 GB
Memory Clock Speed	16 MHz
Hard Drive Size	1 GB
Hard Disk Description	Generic
Hard Drive Interface	USB 2.0/3.0
Hard Disk Rotational Speed	1 RPM
Graphics Chipset Brand	Générique
Graphics Card Description	OpenGL
Graphics RAM Type	DDR4 SDRAM
Graphics Card Ram Size	16.51 MB
Graphics Card Interface	Integrated
Wireless Type	802.11a
Number of USB 2.0 Ports	2
Number of USB 3.0 Ports	2
Voltage	5 Volts
Operating System	IDS
Are Batteries Included	No
Lithium Battery Weight	5 Grams
Number of Lithium Metal Cells	1
Item Weight	36 g
Guaranteed software updates until	unknown

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