# Pinout

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| **Pin**   | **Function**                                                            |
| --------- | ----------------------------------------------------------------------- |
| 9V        | Video transmitter positive voltage -9V/2A (Switchable to 12V by jumper) |
| Vx        | Servo power output – 6V/6A (Switchable to 8V by jumper)                 |
| 5v        | 5v output (2A)                                                          |
| 3v3       | 3.3v output (0.25A)                                                     |
| IO1/IO2   | PINIO1 and PINIO2                                                       |
| Vbat2     | Battery2 Voltage Sense input (10\~36V)                                  |
| Curr2     | Battery2 Current Sense input (0\~3.3V)                                  |
| Vo        | Video output to video transmitter                                       |
| CAM1/CAM2 | Video input from FPV camera1/2                                          |
| G or GND  | Ground                                                                  |
| RSI       | Analog RSSI (0-3.3v) input from receiver                                |
| R2, T2    | UART2 RX and TX                                                         |
| R3, T3    | UART3 RX and TX                                                         |
| R5, T5    | UART5 RX and TX                                                         |
| R6, T6    | UART6 RX and TX                                                         |
| R7, T7    | UART7 RX and TX                                                         |
| CTS, RTS  | CTS, RTS for UART7                                                      |
| R8, T8    | UART8 RX and TX                                                         |
| Buz+/Buz- | Piezo buzzer positive/negative leg                                      |
| M1\~M14   | PWM1\~PWM14 signal outputs                                              |

#### CAN Port   (4Pin  JST-GH)

| **Pin** | **Pin name** | **Function**                |
| ------- | ------------ | --------------------------- |
| 1       | 5V           | +5V voltage output (1A Max) |
| 2       | H            | CAN1\_H                     |
| 3       | L            | CAN1\_L                     |
| 4       | Gnd          | Ground                      |

#### I2C Port  (4Pin  JST-GH)

| **Pin** | **Pin name** | **Function**                |
| ------- | ------------ | --------------------------- |
| 1       | 5V           | +5V voltage output (1A Max) |
| 2       | SCL          | I2C2\_SCL                   |
| 3       | SDA          | I2C2\_SDA                   |
| 4       | Gnd          | Ground                      |

#### GPS Port

| **Pin** | **Pin name** | **Function**                |
| ------- | ------------ | --------------------------- |
| 1       | 5V           | +5V voltage output (1A Max) |
| 2       | TXD          | UART1\_TXD                  |
| 3       | RXD          | UART1\_RXD                  |
| 4       | SCL          | I2C1\_SCL                   |
| 5       | SDA          | I2C1\_SDA                   |
| 6       | Gnd          | Ground                      |

#### USB Port

| **Pin** | **Pin name** | **Function**            |
| ------- | ------------ | ----------------------- |
| 1       | 3v3          | 3.3v output (0.25A max) |
| 2       | Boot         | DFU Boot signal input   |
| 3       | VBUS         | 5V USB VBUS  input      |
| 4       | D-           | USB data-               |
| 5       | D+           | USB data+               |
| 6       | Gnd          | Ground                  |

#### Power Board

| **Pin**            | **Function**                                |
| ------------------ | ------------------------------------------- |
| BAT-IN             | Connect to Battery positive                 |
| BAT-OUT            | Connect to ESC positive                     |
| GND                | Ground                                      |
| Servo Power jumper | <p>Open =6V(Default)</p><p>Shorted =8V</p>  |
| VTX Power jumper   | <p>Open =9V(Default)</p><p>Shorted =12V</p> |