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Arduino Mega 2560 Rev3

Arduino Mega 2560 R3 is the go-to board when your project needs more pins, memory, and serial ports. Powered by the ATmega2560 @ 16 MHz, it delivers 54 digital I/O (15 PWM), 16 analog inputs, and 4 hardware UARTs—perfect for robots, CNC/3D printers, dashboards, and classroom labs in the Philippines. It keeps 5 V logic and the R3 shield layout, so it plays nicely with most Arduino shields, sensors, and displays.

Why upgrade to the Mega

  • Massive I/O headroom: 54 digital pins, 16 analog inputs, 15 PWM for complex control panels and bots.
  • Four UARTs: Connect GPS, GSM, Bluetooth, and a PC/USB at the same time.
  • More memory: 256 KB Flash, 8 KB SRAM for larger sketches, libraries, and buffers.
  • Shield & library compatible: R3 footprint, 5 V logic, and Arduino ecosystem support.

What you can build

  • Robotics: 4WD/6WD platforms with multiple motor drivers, IMU, ToF, encoders
  • CNC/3D printing: motion control (e.g., RAMPS-style shields), endstops, heaters, fans
  • Data acquisition: multi-sensor logging with RTC + microSD
  • Interface hubs: keypads, relays, stepper drivers, large TFTs and LED matrices

Starter bundles (quick picks)

Recommended add-ons

Technical specifications

Microcontroller ATmega2560 (8-bit AVR) @ 16 MHz
Operating voltage 5 V logic
Input voltage (recommended) 7–12 V via DC jack (allowable 6–20 V)
Digital I/O pins 54 (15 PWM)
Analog inputs 16 (10-bit ADC)
Hardware serial 4× UART (Serial, Serial1, Serial2, Serial3)
Flash / SRAM / EEPROM 256 KB (8 KB bootloader) / 8 KB / 4 KB
Interfaces I²C (SDA/SCL), SPI (ICSP header), UARTs
USB interface ATmega16U2 on-board
USB connector USB-B
Power connectors USB 5 V, DC barrel jack 5.5×2.1 mm (center-positive), VIN/5V/3V3/GND pins
Per-pin DC current 20 mA (observe absolute maximum ratings)
Dimensions ~101.5 × 53.4 mm (R3 footprint)

Pinout & power tips

  • SPI: Use the 6-pin ICSP header for SPI to ensure shield compatibility (don’t rely on pins 50–53).
  • 5 V logic: If a module is 3.3 V-only, add a logic level converter.
  • Serial devices: Put GPS/GSM/Bluetooth on Serial1–3 and keep Serial free for debugging.

Learning path (Mega-focused)

  1. Inputs/outputs: multiplexed buttons, multiple PWM channels, LCD keypads
  2. Multi-sensor hub: BME280 + IMU + radar/PIR + logging
  3. Motion control: DRV8825/A4988 steppers, endstops, acceleration profiles
  4. Comms gateway: UART bridges to Bluetooth, GSM, LoRa, Ethernet

What’s in the box

  • Arduino Mega 2560 R3 board

Compatibility & notes

  • Shields: R3 footprint with 5 V logic; most UNO shields work, but check library pin maps.
  • Drivers: Official boards use ATmega16U2 and usually don’t need extra drivers; some compatibles use CH340/CP2102 (install if required).
  • Power budget: Servos/steppers need external power; don’t pull motor current from the board’s 5 V rail.

FAQs – Arduino Mega 2560 R3 (Philippines)

How is the Mega different from the UNO?
Mega has far more I/O (54 vs 14), more memory (256 KB vs 32 KB), and 4 UARTs instead of 1—ideal for large projects and multiple peripherals.
Which cable and power supply do I need?
Use a USB-B cable for programming. For standalone projects, power via the DC barrel jack (7–12 V recommended) or a regulated 5 V supply.
Will my UNO shields work?
Yes—most UNO R3 shields are compatible. For SPI shields, use the ICSP header; adjust chip-select pins if stacking multiple shields.
Do you ship nationwide and support school/corporate orders?
Yes. We ship nationwide across the Philippines via trusted couriers and can prepare classroom bundles and bulk quotations on request.

Arduino Mega 2560 Rev3

Arduino Mega 2560 Rev3

Low stock: 1 left

Product Code

A000067-R

₱ 3,647.00
₱ 3,647.00
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