{"title":"DFRobot  Mega 2560 V3.0 (Arduino Mega 2560 R3 Compatible)","handle":"dfrobot-mega-2560-v3-0-arduino-mega-2560-r3-compatible","url":"/products/dfrobot-mega-2560-v3-0-arduino-mega-2560-r3-compatible","description":"The DFRobot Mega 2560 V3.0 is a fully compatible Arduino Mega 2560 R3 microcontroller board based on the ATmega2560. It features 54 digital I/O pins (14 with PWM), 16 analog inputs, 4 hardware serial ports, and a 16 MHz crystal oscillator. Connect via USB or power with a 7–12 V adapter or battery to get started.\n\nColour-coded headers make wiring easier: red for power, blue for analog I/O, and green for digital I/O — matching DFRobot's sensor colour scheme for quick identification.\n\nKey Features\n\n\nArduino Mega 2560 R3 Compatible – Works with the Arduino IDE and standard Mega shields\n\nATmega2560 Microcontroller – 256 KB flash, 8 KB SRAM, 4 KB EEPROM\n\n54 Digital I/O Pins – 14 with PWM output\n\n16 Analog Inputs – For reading sensors and analog signals\n\n4 Hardware Serial Ports – UARTs for multi-device communication\n\nColour-Coded Headers – Red (power), blue (analog), green (digital) for easy wiring\n\nSDA/SCL Pins – Dedicated I2C pins near AREF, plus IOREF pin for voltage adaptation\n\nATmega16U2 USB Interface – Improved over the older ATmega8U2\n\nQuartz Crystal Oscillator – Better timer and serial accuracy than ceramic resonators\n\n\nSpecifications\n\n\nMicrocontroller – ATmega2560\n\nOperating Voltage – 5 V\n\nInput Voltage – 7–12 V (recommended)\n\nDC Current per I/O Pin – 40 mA\n\nDC Current for 3.3 V Pin – 50 mA\n\nFlash Memory – 256 KB (8 KB used by bootloader)\n\nSRAM – 8 KB\n\nEEPROM – 4 KB\n\nClock Speed – 16 MHz\n\n\nPackage Contents\n\n1× DFRduino Mega 2560 V3.0\n\n\nResources\n\nSchematic (PDF)\nBoard Layout (PDF)\nArduino Mega 2560 – Official Page\nArduino IDE\nArduino Language Reference\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":11423,"title":"Default Title","sku":"DF-DFR0191","price":38.77,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":1442,"option1":"Default Title"}]}