That’s what led [TomGoff] to build his own solar pond fountain. This build features ... A hand-built perfboard contains a light dependent resistor (LDR) to tell the Arduino not to run at night ...

PITTSBURGH, March 18, 2025 /PRNewswire/ -- "I thought there could be a better way to install a micro bright light into a low-water, fountain," said an inventor, from Peoria, Ariz., "so I invented ...