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.

The aim was to build a line following robot armed with a circular saw to handle lawn edging tasks. The circular saw itself consists of a motor with a blade on it, and precisely no safety features.

Living proof is this human-following robot/car that was build by the YouTuber over at DIY Builder, which relies on an Arduino Uno as the brain of the device. The video that you can find embedded ...