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Robotale Mega 2560 R3 Development Board w/ Arduino Mega 2560 R3
More powerful ATMEGA16U2 expands the ISP FLASH. Besides traditional USB to serial port£¬ it allows users to define other functions£¬ for example£¬ set the USB as mouse£¬ keyboard£¬ rocking lever£¬ camera£¬ etc; Compared with the 2011 version£¬ this module adds to it SDA£¬ SCL; IOREF port gives shield voltage reference; One extra port space is preserved in the left of IOREF for future use. Its reset circuit is also improved and more stable; Operating voltage: 5V; Input voltage (recommended): 7~12V; Input Voltage (limits): 6~20V; Digital I/O Pins: 54 (of which 14 provide PWM output; Analog input Pins: 16; DC current per I/O Pin: 40mA; DC current for 3.3V Pin: 50mA; Flash memory: 256KB of which 4KB used by bootloader; SRAM: 8KB; EEPROM: 4KB; Clock speed: 16MHz; A product for Arduino that works with official Arduino boards.