There are plenty of Arduino-based robots in the world, but actually building one is a bit tough if you're not familiar with Arduino programming. But a company called ArcBotics has created an ...

Learning to build a robot arm will teach you how to breadboard a circuit, how to program your Arduino, and how to work with moving parts.

According to the included bill of materials, he was able to keep the entire robot build under $100. According to the article, the hardest part was making four copies of the same leg.

Folks have been using the popular Arduino DIY computing platform to build robots and all sorts of other simple computing devices for a while. Arduino boards are inexpensive and relatively easy to ...