Motion sensor switches enhance energy efficiency in green buildings by reducing unnecessary lighting usage, improving comfort ...

At times, installing motion sensor lights can be a fun and rewarding DIY project. Start by reading the manufacturer’s instructions carefully, gathering all necessary tools, and ensuring you have ...

this DIY motion trigger for a DSLR is a quick and easy build, and probably loads more fun. The BOM on [Jeremy S Cook]’s build is extremely short – just a PIR sensor and an optoisolator ...