arduino › microcontroller board
arduino Arduino Mega 2560 Rev3
Picked when GPIO count or 4 hardware UARTs (RAMPS 3D-printer boards, big LED matrix projects) matter. Slow 8-bit core — don't expect it to drive WS2812 strips longer than ~500 pixels at 60 fps.
Specifications
- mcu chip
- atmega2560
- clock mhz
- 16
- flash kb
- 256
- sram kb
- 8
- wifi
- no
- wifi band
- none
- bluetooth
- none
- usb
- type_b
- gpio count
- 54
- analog inputs
- 16
- pwm pins
- 15
- i2c
- yes
- spi
- yes
- uart count
- 4
- operating voltage v
- 5
- input voltage range v
- 7-12
- power pins
- 5v, 3v3, vin
- firmware compat
- arduino_ide, platformio
- ai accelerator
- none
- form factor
- mega
Sources
- SparkFun open product catalog · ingest 2026-05-06
- Adafruit open product catalog · ingest 2026-05-06
- Arduino official product database · ingest 2026-05-06