FireBeetle OSD Character Overlay Module
On-screen display module using the AT7456E chip, overlaying characters and timestamps onto analog video (NTSC/PAL) via SPI. Supports 16x30 character display; for FPV and video annotation applications.
Pinout
One grouped source record is expanded into separate logical pads where unambiguous; physical placement is not implied.
- Video Signal InputOfficial table 2 row 1
RCA A/V_IN or PH2.0 IN
Type · GPIO - Video Signal OutputOfficial table 2 row 2
RCA A/V_OUT or PH2.0 OUT
Type · GPIO - OSD (On-screen Display) ControlOfficial table 2 row 3
SPI Interface
Type · SPI - RSTOfficial table 2 row 4
Reset button of OSD chip
Type · Control - D2-D5Official table 2 row 5
Chip selection is available with dial switch
Type · GPIO
| Pin | Position | Type | Function |
|---|---|---|---|
| Video Signal Input | Official table 2 row 1 | GPIO | RCA A/V_IN or PH2.0 IN |
| Video Signal Output | Official table 2 row 2 | GPIO | RCA A/V_OUT or PH2.0 OUT |
| OSD (On-screen Display) Control | Official table 2 row 3 | SPI | SPI Interface |
| RST | Official table 2 row 4 | Control | Reset button of OSD chip |
| D2-D5 | Official table 2 row 5 | GPIO | Chip selection is available with dial switch |
One grouped source record is expanded into separate logical pads where unambiguous; physical placement is not implied.
Pin details
5 connections- Video Signal InputOfficial table 2 row 1
RCA A/V_IN or PH2.0 IN
GPIO - Video Signal OutputOfficial table 2 row 2
RCA A/V_OUT or PH2.0 OUT
GPIO - OSD (On-screen Display) ControlOfficial table 2 row 3
SPI Interface
SPI - RSTOfficial table 2 row 4
Reset button of OSD chip
Control - D2-D5Official table 2 row 5
Chip selection is available with dial switch
GPIO
Start wiring
SPI · I2C · 3.3 V · 3.3 – 5 V · Breakout
Adafruit describes product 398 as a 16x2 RGB backlight LCD using digital pins for LCD control and PWM pins for the backlight; the product…
Module pins: OSD (On-screen Display) Control. Schematik maps them to your board in the app.
TFT & LCD
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