SainSmart Mega2560 R3 ATmega2560-16AU Starter Kit with over 16 Basic Arduino Tutorial Projects for Arduino Beginners New SainSmart MEGA2560 R3 Starter Kit, developed specially for beginners who are into Arduino. The kit has over 16 projects with tutorial instructions for arduino beginners. A complete set of Arduino"s most common and useful electronic components. Detailed tutorial including project introduction and their source code are provided. The latest SainSmart Mega2560 R3 development board is included.