FireBeetle OSD Character Overlay Module Shipping:1 day While traditional ORP meters are

While traditional ORP meters are hard to get or use

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FireBeetle OSD Character Overlay Module Shipping:1 day While traditional ORP meters areOSD is the abbreviation of On screen Display, this is a screen menu adjustment display technology to add different menu style characters on the screen display. FireBeetle OSD Character Overlay Module is a new product presented by DFRobot. It adopts AT7456E OSD chip. This is a single channel OSD module, equipped with functions like video drive, sync separator, video separate switch, etc. It comes with 512 bytes EEPROM user defined storage space. After