The document describes a Digital Sign System (DSS) for indoor wayfinding assistance for visually impaired individuals. The DSS uses passive retroreflective tags that are detected by a handheld "Magic Flashlight" device with a camera. The machine vision software identifies the tags and an Indoor Guidance System provides navigation information to the user via synthesized speech. The system was tested across various conditions with successful tag identification, though direct sunlight could interfere with detection. Further optimization is needed for real-time tag identification and fully evaluating the robustness of the detection hardware.