The ZH5U2L is a reliable single-color LED controller card designed for seamless LED display management. Featuring an ARM7 processor and 8M bit storage, it supports resolutions up to 16×640 or 32×320 pixels. The card provides RS485 communication, multiple display effects, random partitioning, time switches, digital and analog clocks, and 16-level brightness adjustment. Ideal for advertising boards, signage displays, and information screens, the ZH5U2L ensures stable performance and precise control of single-color LED modules.