Specifications
- MCU: STM32H743VIT6, 480MHz, 2MB Flash
- IMU: ICM45686 (BalancedGyro™ technology)
- Baro: SPA06
- MicroSD Card Slot
- 8x UART
- 15x PWM
- 1x I2C
- 1x SWD
- 2x ADC (VBAT, Current)
- USB Type-C
- DJI O3/O4 VTX connector
- BEC 5V 2A output (for controller, receiver, GPS, optical flow or other devices)
- BEC 9V 2A output (for video transmitter, camera)
- Bluetooth Telemetry (connected to UART8 internally, baudrate 115200)
- VBAT Input Range: 2-6S (6-27V)
Firmware Support
- Ardupilot 4.6.2 – x
- PX4 1.15.4 – x
- Betaflight 4.6.0 – x
- INAV (Todo)
- SERIAL0 -> USB
- SERIAL1 -> UART1 (MAVLink2, DMA-enabled)
- SERIAL2 -> UART2 (DisplayPort, DMA-enabled)
- SERIAL3 -> UART3 (GPS, DMA-enabled)
- SERIAL4 -> UART4 (MAVLink2, DMA-enabled)
- SERIAL5 -> UART5 (DMA-enabled)
- SERIAL6 -> UART6 (RCIN, DMA–enabled)
- SERIAL7-> UART7 (ESC Telemetry, DMA-enabled)
- SERIAL8 -> UART8 (DMA–enabled, connected to on board BlueTooth Telemetry)
- ttyACM0->USB
- ttyS0->TELEM1 -> UART1
- ttyS1->GPS2 -> UART2
- ttyS2->GPS1 -> UART3
- ttyS3->TELEM2 -> UART4
- ttyS4->TELEM3-> UART5
- ttyS5->RC -> UART6
- ttyS6->URT6 -> UART7
- ttyS7->TELEM4/SERIAL4 -> UART8
The UART6 is compatible with all ArduPilot supported receiver protocols.
- PPM is not supported.
- SBUS/DSM/SRXL connects to the RX6 pin.
- FPort requires connection to TX6 . See FPort Receivers.
- CRSF also requires a TX6 connection, in addition to RX6, and automatically provides telemetry.
- SRXL2 requires a connection to TX6 and automatically provides telemetry. Set SERIAL6_OPTIONS to “4”.
Any UART can also be used for RC system connections in ArduPilot and is compatible with all protocols except PPM. See Radio Control Systems for details.
OSD Support
The MicoAir743Lite doesn’t have an onboard OSD chip, but DisplayPort OSD is available on the HD VTX connector, See below.
VTX Support
The SH1.0-6P connector supports a DJI Air Unit / HD VTX connection. Protocol defaults to DisplayPort. Pin 1 of the connector is 9v so be careful not to connect this to a peripheral requiring 5v.
The MicoAir743Lite supports up to 15 PWM outputs.
Channels 1-8 support DShot and bi-directional DShot.
(currently PX4&INAV not support BDShot function)
PWM output share grouped and every group must use the same output protocol:
1,2,3,4 are group 1
5,6,7,8 are group 2
9,10are group 3
11,12,15 are group 4
13,14 are group 5
- BATT_VOLT_PIN 10
- BATT_CURR_PIN 11
- BATT_VOLT_MULT 21.2
- BATT_CURR_SCALE 40.2
Compass
Physical
- Mounting: 30.5 x 30.5mm, Φ4mm
- Dimensions: 36 x 36 x 8 mm
- Weight: 10g
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