Ximico Mega 2560 R3 for Arduino + USB Cable / Mega 2560 R3 Atmega2560-16au Board (Compatible with Arduino)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>We produce this board based on the open-source arduino official schematics.The printing or color on the board may be different from each production date， but the function is exactly the same.</li><li>Digital I/O Pins:54 (of which 14 provide PWM output)</li><li>Flash Memory:256 KB (ATmega2560) of which 4KB used by bootloader</li><li>Analog Input Pins:16</li><li>Input Voltage (recommended):7-12V and Input Voltage (limits):6-20V</li></ul></div><img src="http://ecx.images-amazon.com/images/I/511y4BKjnVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/5170TU9nKwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/518lAbLU0sL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41BTgST0NsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41YIYfOKS7L.jpg" noproxy>