Color Deep Blue Brand No Model 2560 R3 Quantity 1 Piece Material FR4 English Manual / Spec No Other Features MEGA 2560 R3 development board technical parameters: Digital I / O digital input / output of 54 (of which 14 PWM outputs) Analog I / O Analog input / output of 16 I / O interface Current: 40ma Control chip: ATmega2560-16AU Flash Size: 256K (including 4K for bootloader) SRAM static storage capacity: 5KB Input voltage: no external power supply when connected to USB or external 7V ~ 12V DC input. Output voltage: 5V DC output and 3.3V DC output and external power input. Clock frequency 16MHz. Adopts PCB immersion gold process; Display all digital and analog ports with steering line order; With interfaces of bluetooth SD card APC220 RF and RB URF V1.1 ultrasonic sensor; Easy to use; Great for beginners. A product for Arduino that works with official Arduino boards. Packing List 1 x 2560 R3 1 x V1 sensor 1 x USB cable (53cm)