Elegoo MEGA 2560 R3 Board ATmega2560 ATMEGA16U2 + USB Cable Compatible With Arduino

Elegoo MEGA 2560 R3 Board ATmega2560 ATMEGA16U2 + USB Cable Compatible With Arduino

Q: can someone tell me the difference between this ans an official arduino board?

The official board comes with a plastic tray that prevents shorts to the bottom of the board. The Elegoo board comes with a USB cable and is available in two colors. There is no functional difference. While the official board may be better quality, I've had no problems with any of the Elegoo boards I've bought.

Q: how much servo motors can this handle? how is the shield compatibility?

You have to tie the card to servo drivers to handle motors. The board outputs can handle only a TTL load per pin (about 20 mA per line). I have used a similar card tied to a Sain Smart CNC Micro-Stepping Stepper Motor Driver to handle large stepper motors using up to 4.2 Amps of current: https://www.amazon.com/gp/product/B00DFSF9GE/ref=oh_aui_search_detailpage?ie=UTF8&psc=1 I ran hookup wire from the Arduino board to the interface box(es). Sometimes I used a transistor buffer (per line) so that the 20 mA limit was not overloaded to drive two controllers for the Y-axis with full current capacity on each motor. The transistor I used was a BS270 400mA, 60V N-Channel Enhancement Mode FET. I got the transistor circuit understanding from the book, Exploring Beaglebone.

Q: Is this the exact size as the original mega? i want to make a pcb shield for it on eagle, and will be using sparkfun's mega part footprint

I did exactly this, but with a footprint from Element14. My custom shield fits perfectly.

Q: Are the digital outputs 3.3V or 5V?

This basically just like the Arduino Mega 2560, the digital pins are 5V as are the analog input pins. There is no version of this that is 3.3V. ATMega 2560 is a 5V chip. No need for level shifters or voltage dividers. There is one 3.3V voltage output pin, which is also typical of the Uno R3 and many other 5V Arduino/clones.

4.7/5

Product ID: 64573431

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Details

Brand
ELEGOO
Model Name
R3
Memory Storage Capacity
256 KB
Connectivity Technology
Bluetooth USB
Operating System
Linux

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Description

Elegoo MEGA 2560 R3 Board ATmega2560 ATMEGA16U2 + USB Cable Compatible With Arduino

Specifications

Brand	ELEGOO
Series	R3
Item Height	1 Inches
Item Width	4 Inches
Standing screen display size	3
Product Dimensions	5.08 x 10.16 x 2.54 cm; 63.5 g
Item model number	EL-CB-003
Processor Brand	Atmel
Processor Count	1
Memory Technology	DDR3
Graphics Card Interface	AGP
Wireless Type	Bluetooth
Operating System	Linux
Are Batteries Included	No
Country of Origin	China
Item Weight	63.5 g

Have a Question? See What Others Asked

can someone tell me the difference between this ans an official arduino board?

how much servo motors can this handle? how is the shield compatibility?

Is this the exact size as the original mega? i want to make a pcb shield for it on eagle, and will be using sparkfun's mega part footprint

Are the digital outputs 3.3V or 5V?

Reviews

4.7

All from verified purchases

A**R

Arduino mega review

So good quality

7.10.2019

S**E

Good product

Works great no issues so far, it's been more than an year.

28.11.2024

P**U

Good but

Product is normal but delivery to late

2.05.2023

V**V

Don’t trust this supplier

Received a faulty item

2.02.2024

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The product exactly matches the description. Very satisfied with my purchase.

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