A Line Follower Robot (LFR) is one of the most popular Arduino robotics projects that teaches core concepts of automation and sensor integration. This step-by-step guide will show you how to build a ...

Most commonly, a photocell is used, which consists of a photosensitive coating ... 1-4 This miniaturized device incorporates a light-sensitive photodiode detector, a 3D-printed cuvette stand, RGB LED ...