Content: Add AIRBOTG4AIO board doc

docs/wiki/boards/current/AIRBOTG4AIO/AIRBOTG4AIO.mdx

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+---
+sidebar_custom_props:
+  specs:
+    target: AIRBOTG4AIO
+    mcu: STM32G473CEU6
+    imu: ICM42688P
+    osd: AT7456E
+    barometer: DPS310
+    flash: W25Q128JVPQ (16MB)
+    dimensions: 35x35mm
+    mounting: 25.5x25.5mm
+    weight: 10.4g
+---
+
+import Tabs from '@theme/Tabs'
+import TabItem from '@theme/TabItem'
+import SpecGrid from '@site/src/components/SpecGrid'
+
+# Airbot Fenix G4 35A AIO
+
+<Tabs>
+
+<TabItem value="specifications" label="Specifications" default>
+
+<SpecGrid>
+
+![AIRBOTG4AIO Cover](./AIRBOTG4AIO-images/AIRBOTG4AIO-cover.png)
+
+</SpecGrid>
+
+## Other Features
+
+- SD Card Slot: None
+- Onboard Receiver: No
+- Hardware Inverter: Yes
+- Bluetooth: No
+- WiFi: No
+- Onboard RGB LED: 16x
+
+## ESC Specifications
+
+- ESC MCU: QF32MTF4AK8U7
+- ESC Firmware: AM32
+- ESC Target: F4A_AIO_F421
+- Continuous Current: 35A
+- Burst Current: 45A
+
+## Input/Output
+
+- USB Connector: USB Type-C
+- ESC Outputs: 4x
+- UARTs: 4x
+- I2C: Yes
+- SWD: Yes
+- SPI: No
+- 3.3V Output: No
+- 4.5V (VBUS) Output: Yes
+- 5V Output: 2A
+- 10V Output: 2A
+- Current Sensor: Yes
+- Analog RSSI Input: No
+- LED Strip Output: Yes
+- Buzzer Output: Yes
+
+## Pads
+
+### UARTs
+
+| Name   | Label   | Notes                             |
+| ------ | ------- | --------------------------------- |
+| UART 1 | TX1/RX1 | VTX                               |
+| UART 2 | RX2/TX2 | Optional inverter for SBUS/F.Port |
+| UART 4 | TX4/RX4 |                                   |
+
+### Power
+
+| Name            | Label | Count | Notes |
+| --------------- | ----- | ----- | ----- |
+| 5V              | 5V    | 3x    |       |
+| 10V             | 10V   | 1x    |       |
+| Battery Voltage | VBAT  | 1x    |       |
+
+### Analog Video
+
+| Name           | Label | Notes |
+| -------------- | ----- | ----- |
+| Video In       | CAM   |       |
+| Camera Control | CC    |       |
+| Video Out      | VTX   |       |
+
+### Buzzer
+
+| Name     | Label | Notes |
+| -------- | ----- | ----- |
+| Buzzer + | BZ+   |       |
+| Buzzer - | BZ-   |       |
+
+### RGB LEDs
+
+| Name | Label  | Count | Notes                              |
+| ---- | ------ | ----- | ---------------------------------- |
+| LED  | LED    | 1x    |                                    |
+|      | LED_EN | 1x    | Bridge pads to enable onboard LEDs |
+
+### USB Breakout
+
+| Name      | Label | Notes |
+| --------- | ----- | ----- |
+| Ground    | GND   |       |
+| USB Power | VBUS  |       |
+| Data -    | DN    |       |
+| Data +    | DP    |       |
+
+### I2C
+
+| Name  | Label | Notes                                 |
+| ----- | ----- | ------------------------------------- |
+| Clock | SCL   | Small pads in the middle of the board |
+| Data  | SDA   |                                       |
+
+## Connectors
+
+### Digital VTX
+
+| Pin | Name     | Label |
+| --- | -------- | ----- |
+| 1   | 10V      | 10V   |
+| 2   | Ground   | GND   |
+| 3   | UART1 TX | TX1   |
+| 4   | UART1 RX | RX1   |
+| 5   | Ground   | GND   |
+| 6   | SBUS     | TX2   |
+
+</TabItem>
+
+<TabItem value="wiring" label="Wiring Diagrams">
+
+[AIRBOTG4AIO Diagram](./AIRBOTG4AIO-images/AIRBOTG4AIO-diagram.pdf)
+
+</TabItem>
+
+<TabItem value="photos" label="Photos">
+
+![AIRBOTG4AIO Top Photo](./AIRBOTG4AIO-images/AIRBOTG4AIO-top.png)
+
+![AIRBOTG4AIO Bottom Photo](./AIRBOTG4AIO-images/AIRBOTG4AIO-bottom.png)
+
+</TabItem>
+
+<TabItem value="notes" label="Notes">
+
+:::info
+
+**VTX Connector**
+
+The AIO featues a multi-purpose connector for both digital and analog VTXs:
+
+- When both GND pins in the connecor are used, the TX2 pin will be used as an inverted RX pin for SBUS, the connector will function like a regular digital VTX connector following the standard pinout
+- When only the first GND pin is used, the TX2 pin will instead output analog video, the connector can be used with analog VTXs
+
+:::
+
+**Onboard LEDs**
+
+The flight controller has 28 RGB LEDs onboard, connected in paralell to the LED signal connection, and powered from the onboard regulator. Bridging the LED_EN pads will connect the signal line to the LEDs, enabling full control of the LEDs from the flight controller.
+
+</TabItem>
+
+</Tabs>