Picoino 100% Arduino Mega 2560 R3 Compatible Board with free USB Cord and Base Board Picoino 100% compatible Arduino Mega 2560 R3 board, free USB cord, free plastic back plate, Picoino instructions Our boards are tested under strict quality control policies and you will only get what's passed our checks here in the US. Comes in ESD anti-static bag. Microcontroller ATmega2560 Operating Voltage 5V Input Voltage (recommended) 7-12V Input Voltage (limits) 6-20V Digital I/O Pins 54 (of which 15 provide PWM output) Analog Input Pins 16 DC Current per I/O Pin 40 mA DC Current for 3.3V Pin 50 mA Flash Memory 256 KB of which 8 KB used by bootloader SRAM 8 KB EEPROM 4 KB Clock Speed 16 MHz Free plastic base board included for protection of the back side Great upgrade for the UNO board and for electronic experiments and projects!