Original Arduino Mega 2560 ATmega2560 Rev3

The official Arduino Mega 2560 Rev3 is the ultimate microcontroller board for complex, I/O-intensive projects. Built around the powerful ATmega2560 chip, it delivers 54 digital I/O pins, 16 analog inputs, and 256 KB of flash memory - making it the go-to board for robotics, 3D printers, CNC machines, and large-scale automation.

Specifications

• Microcontroller: ATmega2560 (8-bit AVR)
• Operating Voltage: 5V
• Input Voltage (Recommended): 7-12V
• Input Voltage (Limit): 6-20V
• Digital I/O Pins: 54 (15 provide PWM output)
• Analog Input Pins: 16
• DC Current per I/O Pin: 20 mA
• DC Current for 3.3V Pin: 50 mA
• Flash Memory: 256 KB (8 KB used by bootloader)
• SRAM: 8 KB

Why Choose Original Arduino Mega 2560 ATmega2560 Rev3?

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Key Features of Original Arduino Mega 2560 ATmega2560 Rev3

• Massive I/O Capacity: 54 digital pins and 16 analog inputs give you the room to connect dozens of sensors, motors, relays, displays, and modules simultaneously.
• 256 KB Flash Memory: Four times the memory of the Arduino Uno, allowing you to run large, complex sketches without running out of program space.
• 4 Hardware Serial Ports: Communicate with GPS modules, Bluetooth, GSM, and other serial devices concurrently - no software serial workarounds needed.
• Full Shield Compatibility: Pin-compatible with the vast majority of Arduino Uno shields plus dedicated Mega shields for expanded functionality.
• ATmega16U2 USB Chip: Provides reliable, native USB-to-serial communication - no counterfeit CH340/CP2102 driver headaches.
• Tech Depot India Power Management: Automatic source selection between USB and external power with built-in voltage regulation and polarity protection.
• Vast Ecosystem: Thousands of libraries, tutorials, and community resources available through the official Arduino IDE and forums.
• ATmega2560 Processor: The 8-bit AVR microcontroller running at 16 MHz handles complex logic, multiple interrupt routines, and real-time control tasks with ease.
• 15 PWM Outputs: Drive servos, control LED brightness, generate analog-like signals, and manage motor speed across 15 dedicated PWM-capable pins.
• 8 KB SRAM + 4 KB EEPROM: Generous working memory for variables and arrays, plus non-volatile storage for settings that persist through power cycles.
• 6 External Interrupts: Pins 2, 3, 18, 19, 20, and 21 support hardware interrupts for time-critical event detection like encoder pulses and limit switches.
• ICSP Header: In-Circuit Serial Programming header allows direct programming of the ATmega2560 and ATmega16U2 using an external programmer.
• Auto-Reset: Automatically resets the microcontroller when a new sketch is uploaded, streamlining the development workflow.
• Built-in LED: Onboard LED connected to digital pin 13 for quick
• 100% Authentic

Perfect For

• General-purpose microcontroller prototyping and sensor interfacing
• IoT, robotics and home-automation builds
• Educational and hobbyist embedded-systems projects

Frequently Asked Questions

Customer Support

Email: techdepotindia@gmail.com

WhatsApp: Available for setup and troubleshooting help

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Related: Browse more from our Arduino collection, or see all products at Tech Depot India.