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ELEGOO MEGA R3 Board ATmega 2560, USB Cable Compatible with Arduino | 54 Digital I/O, 16 Analog Inputs, 4 UARTs, 256KB Flash, Included USB-B Cable, RoHS Compliant

Name: ELEGOO MEGA R3 Board ATmega 2560, USB Cable Compatible with Arduino | 54 Digital I/O, 16 Analog Inputs, 4 UARTs, 256KB Flash, Included USB-B Cable
Brand: Unbranded
SKU: B01H4ZLZLQ
Price: 22.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-08-01

$22.99

Buy on Amazon — $22.99 Compare to similar emulation hardware

*Price sourced from Amazon.com. Last updated 2026-08-01. Price and availability subject to change.

Bottom line: The ELEGOO MEGA R3 Board ATmega 2560, USB Cable Compatible with Arduino | 54 Digital I/O, 16 Analog Inputs, 4 UARTs, 256KB Flash, Included USB-B Cable, RoHS Compliant is a niche pick — read recent reviews before buying in the emulation hardware category, priced around $22.99. Read recent reviews carefully before committing.

We have the manufacture factory, making productions and selling by ourselves. So we can control the quality of our productions by ourselves for you. We'd like to receive your valuable suggestions for our products and make your idea come true. This version is optimized in the original version, mainly for customers under the functional requirements for product quality and high case designed both to ensure consistent and compatible with the original, but also easy to use. Microcontroller: ATmega+2560 Compatible with Arduino IDE Operating Voltage: 5V Input: Voltage(recommended) : 7-12V Input…

SpecPicks Verdict

SpecPicks classifies ELEGOO MEGA R3 Board ATmega 2560, USB Cable Compatible with Arduino… as a niche pick — read recent reviews before buying in the emulation hardware category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for emulation hardware of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ The chip is Atmega+2560-16au and 16u2, same with the official version.
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

The Mega is 100% compatible with Arduino IDE and most shields designed for the Arduino mega R3，RoHS Compliant
The chip is Atmega+2560-16au and 16u2, 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.

Full Specifications

Brand	ELEGOO
CPU Model	1.2GHz Cortex A8 Processor
Model Name	EL-CB-003
Unit Count	1 Count
Connectivity	USB
Model Number	EL-CB-003
Built-In Media	Mega Controller Board
Mfr Part Number	EL-CB-003
Processor Brand	AMD
Processor Count	1
Total Usb Ports	4
Compatible Devices	Devices with Arduino IDE and Arduino mega R3 shield support, as well as computers with USB ports
Warranty Description	6 MONHTS
Wireless Compability	Bluetooth

Ready to buy?

ELEGOO MEGA R3 Board ATmega 2560, USB Cable Compatible with Arduino | 54 Digital I/O, 16 Analog Inputs, 4 UARTs, 256KB Flash, Included USB-B Cable, RoHS Compliant is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-01. Price and availability subject to change.