Intelligent material racks (silos) rely on photoelectric/magnetic/gravity sensing, RGB lighting guidance, and intelligent IoT technology, specifically designed for the electronics manufacturing industry. They are mainly used in consumer electronics, automotive electronics, medical electronics, communication equipment, new energy industrial control, and military aerospace industries. It can achieve intelligent storage, fast picking, error prevention and batch tracing of SMT trays, precision components, moisture sensitive materials, and steel mesh fixtures, adapt to flexible production of multiple varieties and small batches, link MES and WMS systems, improve warehouse turnover efficiency, reduce wrong material losses, and meet the production compliance and intelligent manufacturing control needs of various industries.