{"title":"Arduino Mega 2560 R3","handle":"arduino-mega-2560-r3","url":"/products/arduino-mega-2560-r3","description":"The Arduino Mega 2560 R3 is a microcontroller board based on the ATmega2560, offering significantly more I/O than standard Arduino boards. With 54 digital I/O pins, 16 analog inputs, and 4 hardware serial ports, it's the go-to board for complex projects that demand extensive connectivity.\n\nThe R3 revision adds dedicated SDA and SCL pins next to the AREF pin, plus an IOREF pin that allows shields to automatically adapt to the board's voltage level. Compatible with most shields designed for the Arduino Duemilanove, Diecimila, and Uno.\n\nKey Features\n\n\n54 Digital I/O Pins – 14 usable as PWM outputs\n\n16 Analog Inputs – For extensive sensor arrays\n\n4 Hardware UARTs – Multiple serial connections for GPS, Bluetooth, and other modules\n\n256KB Flash Memory – Room for large, complex sketches\n\nR3 Pinout – SDA/SCL and IOREF pins for improved shield compatibility\n\nATmega2560 – Powerful 8-bit microcontroller at 16MHz\n\n\nSpecifications\n\n\nMicrocontroller – ATmega2560\n\nOperating Voltage – 5V\n\nInput Voltage – 7–12V\n\nDigital I/O Pins – 54 (14 PWM)\n\nAnalog Input Pins – 16\n\nHardware Serial Ports – 4 UARTs\n\nFlash Memory – 256KB\n\nSRAM – 8KB\n\nEEPROM – 4KB\n\nClock Speed – 16MHz\n\n\nIdeal For\n\nProjects requiring many I/O pins (LED arrays, multi-sensor setups)\nRobotics with multiple motors and sensors\n3D printer controller boards\nData logging with multiple serial devices\n\n\nPackage Contents\n\n1× Arduino Mega 2560 R3\n\n\nResources\n\nSchematic (PDF)\nArduino IDE Download\n","vendor":"SparkFun","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":12059,"title":"Default Title","sku":"SF-DEV-11061","price":110.0,"compare_at_price":112.0,"on_sale":true,"in_stock":true,"available_quantity":4,"option1":"Default Title"}]}