The Mega 2560 R3 is a microcontroller board based on the ATmega2560, Flash Memory: 256 KB (ATmega2560) of which 4KB used by bootloader.
The board can operate on an external supply of 6 to 20 volts with the included power cable.
The board is produced using the open-source schematics and specifications. The printing or color on the board may be different from each production date, but the function is exactly the same.
Digital I/O Pins:54 (of which 14 provide PWM output), Analog Input Pins:16
Input Voltage (recommended):7-12V and Input Voltage (limits):6-20V.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.1 inch
Height : 1.2 inch
Length : 6 inch

Item Weight: 0.32 ounce (View shipping rates and policies)
Shipping Weight: 3.2 ounce (View shipping rates and policies)

ASIN : B019NXGWXI