An LED advertising board is a digital display system that utilizes Light-Emitting Diodes (LEDs) to showcase images, videos, animations, and text for promotional purposes. Unlike traditional printed billboards, these boards can display dynamic content that can be updated instantly through software. https://cinstarled1.hashnode.dev/what-is-an-led-advertising-board-and-why-is-it-so-popular-in-the-usa