这是选自国外杂志“CircuitCellar”上的一篇技术文章，介绍如何用Matlab和Arduino制作一个4自由度的机械臂。这是文章的第一部分 ...

So you finally decided to hop on the Arduino bandwagon and start making electronic projects as a fun hobby. As a beginner getting started with Arduino, your first instinct is typically to buy a ...