The Digital Ferromagnetic Detector is a highly sensitive safety device designed specifically for MRI rooms to prevent the introduction of hazardous ferromagnetic objects. Its design, inspired by a knight's visor, serves as a vigilant guardian, continuously monitoring for metallic items that could compromise the MRI scanner's integrity. The detector employs a clear, intuitive light signal system—green, yellow, and red—to indicate safety status, ensuring immediate recognition of potential threats.