The FireBeetle OSD Character Overlay Module utilizes the AT7456E OSD chip to provide single-channel on-screen display capabilities, including video drive, sync separation, and video switching. It features 512 bytes of EEPROM for user-defined storage and supports a display resolution of 540x192 pixels, accommodating 16x30 characters. Compatible with FireBeetle series interfaces, it can be directly connected to FireBeetle mainboards. This module is suitable for character and time display in devices such as road cameras and home automation systems.