For years, solar power at home was mostly limited to people who own their rooftops and could afford the steep upfront costs. But a new generation of small, affordable systems are making clean energy more accessible. The technology, often called "plug-in" solar, is already widespread in Germany and gaining momentum in the United States. KQED's Laura Klivans reports. | PBS NewsHour

DIY Solar Tracking System Inspired by NASA (Parker Solar Probe)

Building your own Sun Tracking Solar Panel using an Arduino

How to make a Solar Tracker using Arduino, Arduino solar Tracking system