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Gear Up AirBrain H743

AIRBRAINH743 Top Angle Photo

Target:
AIRBRAINH743
MCU:
STM32H743
IMU:
ICM42688P
OSD:
None
Baro:
DPS368
Blackbox:
128MB
Measurements:
Size: 30x34mm
Mounting: 20x20mm
Weight: 7.4g

Other Features

  • 3-10s LiPo support
  • Magnetometer (Compass): LIS2MDL
  • Hardware Inverter: Yes
  • Onboard RGB LED: Betaflight controlled LEDs, 1x Red, 1x Green, 1x Blue
  • 2 x Power LED
  • Built in voltage monitoring
  • Made in Europe 🇪🇺
  • SD Card Slot: No
  • Onboard Receiver: No
  • Bluetooth: No
  • WiFi: No

Information

info

Gear Up AirBrain H743 is made in Europe and NDAA compliant

Input/Output

  • USB Connector: USB Type-C
  • Motor Outputs: 8x
  • UARTs: 7
  • I2C: Yes
  • SWD: Yes
  • SPI: Yes
  • 3.3V Output: Yes, MAX 0.5A
  • 5V (VBUS) Output: Yes, when powered from USB, only UART2 connector gets 5V
  • 5V Output: Yes, MAX 2A
  • 10V Output: Yes, MAX 2.5A
  • Current Sensor: Yes
  • Analog RSSI Input: No
  • LED Strip Output: Yes
  • Buzzer Output: Yes

Connectors

ESC (Motor 1-4)

The pin configuration for the JST SH connector is as follows:

Pin #NameLabelNotes
1V+ (VBAT)+BATPower input (10-42V)
2GNDGGround
3CurrentCUCurrent (PC5)
4UART 7 (Telemetry)RXUART 7 RX
5Signal 11Motor 1
6Signal 22Motor 2
7Signal 33Motor 3
8Signal 44Motor 4

ESC Connector Schematic

ESC Connector Board Render

UARTs

UART 2

The pin configuration for the 4-pin JST SH connector is as follows:

Pin #NameLabelNotes
1V+ (5V)5VPower output
2GNDGGround
3UART 2 RXRXUART 2 RX
4UART 2 TXTXUART 2 TX

The '5V' from UART2 connector is also powered when connected via USB. All other 5V outputs only work when powered through battery.

UART 4

The pin configuration for the 4-pin JST SH connector is as follows:

Pin #NameLabelNotes
1V+ (5V)5VPower output
2GNDGGround
3UART 4 RXRXUART 4 RX
4UART 4 TXTXUART 4 TX

UART Connector Schematic

UART Connector Board Render

Video Transmitter

The current pin configuration for the JST SH connector is as follows:

Pin #NameLabelNotes
1V+ (10V)10VPower output
2GNDGGround
3UART 3 TXTXUART 3 TX
4UART 3 RXRXUART 3 RX
5GNDGGround
6UART 5 RXRXUART 5 RX

Digital VTX Connector Schematic

Digital VTX Connector Board Render

GPS

The pin configuration for the 6-pin JST SH connector is as follows:

Pin #NameLabelNotes
1V+ (5V)5VPower output
2GNDGGround
3UART 8 RXRXUART 8 RX
4UART 8 TXTXUART 8 TX
5I2C SDASDAI2C SDA
6I2C SCLSCLI2C SCL

UART + I2C Connector Schematic

UART + I2C Connector Board Render

Motor 5 - 8

The current pin configuration for the JST SH connector is as follows:

Pin #NameLabelNotes
1GNDGGround
2Signal 55Motor 5
3Signal 66Motor 6
4Signal 77Motor 7
5Signal 88Motor 8

Auxiliary

The current pin configuration for the JST SH connector is as follows:

Pin #NameLabelNotes
1V+ (5V)5VPower output
2GNDGGround
3LED STRIPLED STRIP
4BUZZER -BUZZER - (Buzzer minus)
5USER1USER1 (PB3)
6SPI MOSISPI MOSI (PE6)
7SPI MISOSPI MISO (PE5)
8SPI SCKSPI SCK (PE12)

Debug

The current pin configuration for the JST SH connector is as follows:

Pin #NameLabelNotes
1V+ (3.3V)3.3Power output
2GNDGGround
3SWDIODIOSWDIO
4SWCLKCLKSWCLK
5UART 1 RXRXUART 1 RX (do not use for other than debug)
6UART 1 TXTXUART 1 TX (do not use for other then debug)

PX 4

The current pin configuration for the JST SH connector is as follows:

Pin #NameLabelNotes
1V+ (5V)5VPower output
2GNDGGround
3Non connectNCNon connect
4UART 5 TXTXUART 5 TX

Pads

ESC

There are pads in parallel with the ESC JST SH connector

Pin #NameLabelNotes
1V+ (VBAT)+BATPower input (10-42V)
2GNDGGround
3CurrentCUCurrent (PC5)
4UART 7 (Telemetry)RXUART 7 RX
5Signal 11Motor 1
6Signal 22Motor 2
7Signal 33Motor 3
8Signal 44Motor 4

UART 2

There are pads in parallel with the JST SH connector for UART2

Pin #NameLabelNotes
1V+ (5V)5VPower output
2GNDGGround
3UART 2 RXRXUART 2 RX
4UART 2 TXTXUART 2 TX