ITEM NAME:Multifunctional expansion board shield kit based learning for arduino r3 FT @media screen and (max-width: 600px) .mobiledesfromibay { display:block; width: 350px;.Directly plug puzzle board, no soldering required. 4 LED indicator, it can convenient for Debugging. Three separate buttons, a reset button. Servo interface, easy for drive servos. Infrared detection interface for easy docking and infrared, to achieve human traffic statistics.
