Interfaces
Power input with voltage & current monitoring
AI Mission Computer micro SD card
Flight Controller micro SD card
AI Mission Computer USB Type-C
PPM input, SBUS output, RSSI monitor
Pin number | Pin name | Direction | Voltage level | Function |
1 | 12V | IN | +12V | Main power input |
2 | 12V | IN | +12V | Main power input |
3 | 12V | IN | +12V | Main power input |
4 | BAT_CURRENT | IN | +3.3V | Battery current monitoring |
5 | BAT_VOLTAGE | IN | +3.3V | Battery voltage monitoring |
6 | 3V3 | OUT | +3.3V | 3.3V output |
7 | PWR_KEY | IN | +3.3V | Power key input |
8 | GND | | | Ground |
9 | GND | | | Ground |
10 | GND | | | Ground |
Pin number | Pin name | Direction | Voltage level | Function |
1 | 5V | OUT | +5V | 5V output |
2 | PPM_IN | IN | +3.3V | PPM input |
3 | RSSI_IN | IN | +3.3V | RSSI input |
4 | FAN_OUT | OUT | +5V | Fan output |
5 | SBUS_OUT | OUT | +3.3V | SBUS output |
6 | GND | | | Ground |
Ethernet port with power output
Telemetry port
Second GPS port
Spare I2C / UART port
Flight controller USB Type-C
Micro SIM Card
HDMI input port (payload camera)
Pin number | Pin name | Direction | Voltage level | Function |
1 | 5V | OUT | +5V | Radio module power supply |
2 | 5V | OUT | +5V | Radio module power supply |
3 | ETH_TXP | OUT | +3.3V | Ethernet transmit positive |
4 | ETH_TXN | OUT | +3.3V | Ethernet transmit negative |
5 | ETH_RXP | IN | +3.3V | Ethernet receive positive |
6 | ETH_RXN | IN | +3.3V | Ethernet receive negative |
7 | GND | | | Ground |
8 | GND | | | Ground |
Ethernet interface is decoupled with capacitors. Ethernet cable should be twisted to reduce EMI noise. Shorter cables are recommended for increased performance and higher bandwidth of the interface.
Pin number | Pin name | Direction | Voltage level | Function |
1 | 5V | OUT | +5V | Power supply output |
2 | USART2_TX | OUT | +3.3V | Telemetry 3 TX |
3 | USART2_RX | IN | +3.3V | Telemetry 3 RX |
4 | USART2_CTS | IN | +3.3V | Telemetry 3 CTS |
5 | USART2_RTS | OUT | +3.3V | Telemetry 3 RTS |
6 | GND | | | Ground |
Pin number | Pin name | Direction | Voltage level | Function |
1 | 5V | OUT | +5V | Power supply output |
2 | USART4_TX | OUT | +3.3V | UART 4 TX |
3 | USART4_RX | IN | +3.3V | UART 4 RX |
4 | I2C3_SCL | I/O | +3.3V | I2C3 Clock |
5 | I2C3_SDA | I/O | +3.3V | I2C3 Data |
6 | GND | | | Ground |
Pin number | Pin name | Direction | Voltage level | Function |
1 | 5V | OUT | +5V | Power supply output |
2 | USART8_TX | OUT | +3.3V | UART 8 TX GPS2 |
3 | USART8_RX | IN | +3.3V | UART 8 RX GPS2 |
4 | I2C2_SCL | I/O | +3.3V | I2C2 Clock |
5 | I2C2_SDA | I/O | +3.3V | I2C2 Data |
6 | GND | | | Ground |
AIRLink has integrated 1.5KΩ pull-up resistors for all I2C lines. No external pull-up resistors required.
Main GNSS and compass port
Main telemetry port
CSI camera input
CAN 1
CAN 2
Pin number | Pin name | Direction | Voltage level | Function |
1 | 5V | OUT | +5V | Power supply output |
2 | USART7_TX | OUT | +3.3V | Telemetry 1 TX |
3 | USART7_RX | IN | +3.3V | Telemetry 1 RX |
4 | USART7_CTS | IN | +3.3V | Telemetry 1 CTS |
5 | USART7_RTS | OUT | +3.3V | Telemetry 1 RTS |
6 | GND | | | Ground |
Pin number | Pin name | Direction | Voltage level | Function |
1 | 5V | OUT | +5V | Power supply output |
2 | USART1_TX | OUT | +3.3V | GPS 1 TX |
3 | USART1_RX | IN | +3.3V | GPS 1 RX |
4 | I2C1_SCL | I/O | +3.3V | MAG 1 Clock |
5 | I2C1_SDA | I/O | +3.3V | MAG 1 Data |
6 | SAFETY_BTN | IN | +3.3V | Safety button |
7 | SAFETY_LED | OUT | +3.3V | Safety LED |
8 | +3V3 | OUT | +3.3V | 3.3V output |
9 | BUZZER | OUT | +5V | Buzzer output |
10 | GND | | | Ground |
Pin number | Pin name | Direction | Voltage level | Function |
1 | 5V | OUT | +5V | Power supply output |
2 | CAN1_H | I/O | +5V | CAN 1 High (120Ω) |
3 | CAN1_L | I/O | +5V | CAN 1 Low (120Ω) |
4 | GND | | | Ground |
Pin number | Pin name | Direction | Voltage level | Function |
1 | 5V | OUT | +5V | Power supply output |
2 | CAN2_H | I/O | +5V | CAN 2 High (120Ω) |
3 | CAN2_L | I/O | +5V | CAN 2 Low (120Ω) |
4 | GND | | | Ground |
AIRLink has integrated 120Ω CAN bus termination resistor. To comply with ISO 11898 user the second 120Ω resistor at the other end of the bus.
SBUS input
16 PWM output channels
2x LTE antenna sockets (MIMO)
WiFi antenna socket (AP & Station modes)
SmartAP AIRLink has a large number of serial ports with the following pinout:
UART Port | Path | Description |
UART1 | /dev/ttyS0 | GPS 1 |
UART2 | /dev/ttyS1 | Telemetry 3 |
UART3 | /dev/ttyS2 | Debug console (internal connector) |
UART4 | /dev/ttyS3 | Telemetry 4 |
UART5 | /dev/ttyS4 | Telemetry 2 (used internally with Mission Computer) |
UART6 | /dev/ttyS5 | PWM IO Module (used internally) |
UART7 | /dev/ttyS6 | Telemetry 1 |
UART8 | /dev/ttyS7 | GPS 2 |
Looking for CAD files? Here they are:
Want to see the detailed full specifications? Here is the PDF datasheet: