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Layout / Pinmap

Video 

output

GND

GND

TX3

Boot0

Camera 

Control

M4

M3

M2

M1

TLM

Curr

ent

VBA

T

GND

S.Port

SmartAudio

Tramp

RX

Buzzer -

5V

5V

RX3

LED

TX4

5V

RX4

GND

SCL

SDA

Video 

Input

SBUS

VTX 

Power

3.3V

Camera 

Power

5V

VTX 

GND

GND

Camera 

GND

GND

BUZZER

WS2812 LED

GPS(IIC+UART)

Crossfire

VTX

DSM RX

Camera

4in1 ESC

Camera

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