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Varenr. DFR0515

FireBeetle OSD Character Overlay Module


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Product wiki


OSD 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 connected to video sources (AV Signals), the display covers 540x192 pixels which can show 16x30 characters on the screen. Users can also call font library to show characters and images.
This FireBeetle OSD Character Overlay Module is compatible with FireBeetle series interfaces and can be directly plugged into FireBeetle mainboards.

This module can be widely applied to device character display and time display of monitor device such as road cameras, home automation.


  • 512-byte EEPROM user-defined storage space
  • Support blink, inverse color and background control characters
  • Support setting lightness line-by-line.
  • Maximum 16x30 characters display
  • Support attenuation compensation of video drive output
  • Built-in sync generator and support external compound sync signal input
  • Compatible with NTSC and PAL
  • Built-in characters stock
  • Specification

  • Operating Voltage: 3.3V~5V
  • Operating Current: 75mA
  • Character Display: 16x30
  • Character Pixel: 18x12
  • Resolution: 540x192
  • Color to Show: Single Color (White)
  • Signal Source: AV I/O
  • Communication Interface: SPI
  • Operating Temperature: -10℃~85℃
  • Dimension: 2.28in x 1.14in/58mm x 29mm
  • Shipping List

  • FireBeetle OSD Character Overlay Module x1
  • AV to JST-2P Wires x2
  • 2.54 Black Female Header-18P x2
  • 2.54 Black Pin-18P x2
  • 2.54 Black Pin-4P x1
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