--- product_id: 31223294 title: "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" brand: "elegoo" price: "β‚Ή 4387" currency: INR in_stock: true reviews_count: 13 category: "Elegoo" url: https://www.desertcart.in/products/31223294-elegoo-mega-r3-board-atmega-2560-usb-cable-compatible-arduino store_origin: IN region: India --- # 16 MHz clock speed USB + DC barrel jack power options 54 digital I/O pins with 15 PWM 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 **Brand:** elegoo **Price:** β‚Ή 4387 **Availability:** βœ… In Stock ## Summary > πŸš€ Elevate your maker game with ELEGOO MEGA R3 β€” where pro-grade power meets endless creativity! ## Quick Answers - **What is this?** 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 by elegoo - **How much does it cost?** β‚Ή 4387 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/31223294-elegoo-mega-r3-board-atmega-2560-usb-cable-compatible-arduino) ## Best For - elegoo enthusiasts ## Why This Product - Trusted elegoo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Expanded I/O Arsenal:** 54 digital pins and 16 analog inputs empower complex, multi-sensor setups. - β€’ **Robust Power Flexibility:** Supports 7-12V input via USB or DC barrel jack for versatile powering options. - β€’ **Future-Proof Pinout Design:** Includes SDA, SCL, and IOREF pins for next-gen shield compatibility across voltage standards. - β€’ **Seamless Arduino IDE Compatibility:** Plug & play with all Arduino mega R3 shields for instant project integration. - β€’ **Reliable Build with RoHS Compliance:** Premium Atmega2560 chip and strong reset circuit ensure durability and eco-friendly manufacturing. ## Overview The ELEGOO MEGA R3 Board is a high-performance, Arduino-compatible microcontroller featuring the ATmega2560 chip running at 16 MHz. It offers 54 digital I/O pins (15 PWM), 16 analog inputs, and flexible power options via USB or DC barrel jack. Designed with enhanced pinout for future shield compatibility and RoHS compliance, it’s ideal for professional-grade DIY electronics, prototyping, and complex projects requiring robust connectivity and reliability. ## Description 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 Voltage (limits) : 6-20V 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 Package includes: 1 x Mega R3 2560 ATmega+2560-16AU Board (Arduino-compatible) 1 x USB cable Review: Great device. - I love these arduino MCU as they are reliable and fun to program for my Model Railroad. Review: It works like it is supposed to!! Clearly labeled that it is made by Elegoo - If you are wondering if this is a Genuine Arduino. It is not, but it works just fine. I use many of these on my model railroad and even used one for the control on a professional PCB test fixture. I have bought over 10 of these and every one was good. The USB interface is sometimes an issue with "non-genuine" Arduidos, but this one. It uses an Atmel chip and I have had zero issues with the USB. I have used it on both PC and Apple. The quality of the soldering and PCB is "Good enough", again every one I have bought works. I have fried a few of them but these were my mistake, not a quality problem from Elegoo. I also bought the starter kit from Elegoo. The hardware in their kit is fine but the documentation has some mistakes. I am an EE and figured out the problems, but for a true beginner you want a better instruction manual. For the money these are a good value and get the job done. ## 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01H4ZLZLQ | | Best Sellers Rank | #24 in Single Board Computers (Computers & Accessories) | | Brand | ELEGOO | | Built-In Media | Mega Controller Board | | CPU Model | 1.2GHz Cortex A8 Processor | | Compatible Devices | Devices with Arduino IDE and Arduino mega R3 shield support, as well as computers with USB ports | | Connectivity Technology | USB | | Customer Reviews | 4.7 out of 5 stars 3,306 Reviews | | Global Trade Identification Number | 00719377200400, 00746591610562 | | Included Components | Mega Controller Board | | Item Weight | 2.24 ounces | | Manufacturer | ELEGOO | | Memory Storage Capacity | 256 KB | | Mfr Part Number | EL-CB-003 | | Model Name | EL-CB-003 | | Model Number | EL-CB-003 | | Operating System | Windows 10 | | Processor Brand | AMD | | Processor Count | 1 | | RAM Memory Technology | DDR | | Total Usb Ports | 4 | | UPC | 719377200400 746591610562 | | Unit Count | 1 Count | | Warranty Description | 6 MONHTS | | Wireless Compability | Bluetooth | ## Product Details - **Brand:** ELEGOO - **CPU Model:** 1.2GHz Cortex A8 Processor - **Connectivity Technology:** USB - **Memory Storage Capacity:** 256 KB - **Model Name:** EL-CB-003 ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/71YFAMutvnL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: can someone tell me the difference between this ans an official arduino board?** A: 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?** A: 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** A: I did exactly this, but with a footprint from Element14. My custom shield fits perfectly. **Q: Are the digital outputs 3.3V or 5V?** A: 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great device. *by A***R on April 9, 2026* I love these arduino MCU as they are reliable and fun to program for my Model Railroad. ### ⭐⭐⭐⭐⭐ It works like it is supposed to!! Clearly labeled that it is made by Elegoo *by D***E on December 13, 2019* If you are wondering if this is a Genuine Arduino. It is not, but it works just fine. I use many of these on my model railroad and even used one for the control on a professional PCB test fixture. I have bought over 10 of these and every one was good. The USB interface is sometimes an issue with "non-genuine" Arduidos, but this one. It uses an Atmel chip and I have had zero issues with the USB. I have used it on both PC and Apple. The quality of the soldering and PCB is "Good enough", again every one I have bought works. I have fried a few of them but these were my mistake, not a quality problem from Elegoo. I also bought the starter kit from Elegoo. The hardware in their kit is fine but the documentation has some mistakes. I am an EE and figured out the problems, but for a true beginner you want a better instruction manual. For the money these are a good value and get the job done. ### ⭐⭐⭐⭐⭐ Well, It's Not A PIC - But I Learned Enough To Make My PIC Project Work! *by J***L on April 8, 2021* I am a retired EE. I spend a lot of time keeping my brain working by doing little electronic projects. I had spent several dozen hours trying to get a PIC project working - all to no avail. The examples I was using were all Arduino based; and I simply couldn't untangle the Arduino code enough to understand the details. So I broke down and bought this in the hopes that if I got it to work I had enough electronic equipment to reverse engineer the signals if not the code. It Worked. But this review is about the Elegoo Mega. I have only done two things with the platform. But I can tell you that both projects worked fine as though I had a "real" Arduino... of course the Arduino stuff is all open source, so maybe I should not be surprised - but it was nice to not have to worry about any compatibility issues as I was learning. I will continue building projects in the PIC Ecosystem... I get to fully understand the inner workings of the code - all of the code. But since the Arduino Ecosystem is so much more vast than any other platform, I am sure that I will continue to use this little board to get a handle on how to jump to another platform... and I don't feel like a traitor to Mcirochip since the AVR products are part of the same company now. If you are worried about build quality or compatibility, based on my very limited experience (the project I was working on touched a lot of the Arduino Ecosystem - so I might not have a "lot" of project experience I number of projects - but I have quite a lot of experience with the Arduino Ecosystem anyway) worry not. This product is very nice indeed... ## Frequently Bought Together - ELEGOO MEGA R3 Board ATmega 2560 + USB Cable Compatible with Arduino IDE Projects RoHS Compliant - ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects - ELEGOO UNO R3 Board ATmega328P with USB Cable(Arduino-Compatible) for Arduino --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.in/products/31223294-elegoo-mega-r3-board-atmega-2560-usb-cable-compatible-arduino](https://www.desertcart.in/products/31223294-elegoo-mega-r3-board-atmega-2560-usb-cable-compatible-arduino) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-07-29*