ARK FPV Flight Controller
- Specifications
- Connectors
- Photos
Target:
ARK_FPV
MCU:
STM32H743
IMU:
IIM-42653
OSD:
None, but SPI port and VTX available
Baro:
BMP390
Blackbox:
2MB and MicroSD card
Measurements:
Size: 36x36x8mm
Mounting: 30.5x30.5mm
Weight: 7.5g with MicroSD card
Other Features
- SD Card Slot: Yes
- Onboard Receiver: No
- Hardware Inverter: No
- Bluetooth: No
- WiFi: No
- Onboard RGB LED: Yes
Information
info
info
ARK FPV is USA built and NDAA compliant
Input/Output
- USB Connector: USB C
- Motor Outputs: 8x
- UARTs: 7x
- I2C: Yes
- SWD: Yes
- SPI: Yes
- 3.3V Output: Yes
- 4.5V (VBUS) Output: No
- 5V Output: 2A
- 12V Output: 2A
- Current Sensor: Yes
- Analog RSSI Input: No
- LED Strip Output: Yes
- Buzzer Output: Yes
Connectors
UARTs
| Name | Label | Notes |
|---|---|---|
| SERIAL0 | USB | |
| SERIAL1 | UART7 | DisplayPort HD VTX |
| SERIAL2 | UART5 | ESC Telemetry |
| SERIAL3 | USART1 | GPS1 |
| SERIAL4 | USART2 | User, SBUS pin on HD VTX, RX only |
| SERIAL5 | UART4 | ESC Telem, RX only |
| SERIAL6 | USART6 | RC Input |
| SERIAL7 | OTG2 | SLCAN |
PWM UART4 - 8 Pin JST-GH
| Pin Number | Signal Name | Voltage |
|---|---|---|
| 1 | VBAT IN | 5.5V–54V |
| 2 | CURR_IN_EXT | 3.3V |
| 3 | UART4_RX_EXT | 3.3V |
| 4 | FMU_CH1_EXT | 3.3V |
| 5 | FMU_CH2_EXT | 3.3V |
| 6 | FMU_CH3_EXT | 3.3V |
| 7 | FMU_CH4_EXT | 3.3V |
| 8 | GND | GND |
RC - 4 Pin JST-GH
| Pin Number | Signal Name | Voltage |
|---|---|---|
| 1 | 5.0V | 5.0V |
| 2 | USART6_RX_IN_EXT | 3.3V |
| 3 | USART6_TX_OUTPUT_EXT | 3.3V |
| 4 | GND | GND |
PWM EXTRA - 6 Pin JST-SH
| Pin Number | Signal Name | Voltage |
|---|---|---|
| 1 | FMU_CH5_EXT | 3.3V |
| 2 | FMU_CH6_EXT | 3.3V |
| 3 | FMU_CH7_EXT | 3.3V |
| 4 | FMU_CH8_EXT | 3.3V |
| 5 | FMU_CH9_EXT | 3.3V |
| 6 | GND | GND |
POWER AUX - 3 Pin JST-GH
| Pin Number | Signal Name | Voltage |
|---|---|---|
| 1 | 12.0V | 12.0V |
| 2 | GND | GND |
| 3 | VBAT IN/OUT | 5.5V-54V |
CAN - 4 Pin JST-GH
| Pin Number | Signal Name | Voltage |
|---|---|---|
| 1 | 5.0V | 5.0V |
| 2 | CAN1_P | 5.0V |
| 3 | CAN1_N | 5.0V |
| 4 | GND | GND |
GPS - 6 Pin JST-GH
| Pin Number | Signal Name | Voltage |
|---|---|---|
| 1 | 5.0V | 5.0V |
| 2 | USART1_TX_GPS1_EXT | 3.3V |
| 3 | USART1_RX_GPS1_EXT | 3.3V |
| 4 | I2C1_SCL_GPS1_EXT | 3.3V |
| 5 | I2C1_SDA_GPS1_EXT | 3.3V |
| 6 | GND | GND |
TELEM - 6 Pin JST-GH
| Pin Number | Signal Name | Voltage |
|---|---|---|
| 1 | 5.0V | 5.0V |
| 2 | UART7_TX_TELEM1_EXT | 3.3V |
| 3 | UART7_RX_TELEM1_EXT | 3.3V |
| 4 | UART7_CTS_TELEM1_EXT | 3.3V |
| 5 | UART7_RTS_TELEM1_EXT | 3.3V |
| 6 | GND | GND |
VTX - 6 Pin JST-GH
| Pin Number | Signal Name | Voltage |
|---|---|---|
| 1 | 12.0V | 12.0V |
| 2 | GND | GND |
| 3 | UART5_TX_TELEM2_EXT | 3.3V |
| 4 | UART5_RX_TELEM2_EXT | 3.3V |
| 5 | USART2_RX_TELEM3_EXT | 3.3V |
| 6 | GND | GND |
SPI (OSD or IMU) - 8 Pin JST-SH
| Pin Number | Signal Name | Voltage |
|---|---|---|
| 1 | 5.0V | 5.0V |
| 2 | SPI6_SCK_EXT | 3.3V |
| 3 | SPI6_MISO_EXT | 3.3V |
| 4 | SPI6_MOSI_EXT | 3.3V |
| 5 | SPI6_nCS1_EXT | 3.3V |
| 6 | SPI6_DRDY1_EXT | 3.3V |
| 7 | SPI6_nRESET_EXT | 3.3V |
| 8 | GND | GND |
Flight Controller Debug - 6 Pin JST-SH
| Pin Number | Signal Name | Voltage |
|---|---|---|
| 1 | 3V3_FMU | 3.3V |
| 2 | USART3_TX_DEBUG | 3.3V |
| 3 | USART3_RX_DEBUG | 3.3V |
| 4 | FMU_SWDIO | 3.3V |
| 5 | FMU_SWCLK | 3.3V |
| 6 | GND | GND |
