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iFlight Beast H7 v2 55A AIO Flight Controller

https://shop.iflight-rc.com/Beast-H7-V2-55A-AIO-MPU6000-25.5-25.5-pro1588

The Beast H7 AIO is a flight controller produced by iFlight.

Features

  • MCU: BGA-STM32H743
  • Gyro: BMI270
  • 16Mb Onboard Flash
  • BEC output: 5V 2.5A
  • No Barometer
  • OSD: AT7456E
  • 5 UARTS: (UART1, UART2, UART3, UART4, UART7)
  • I2C for external compass. UART3 pins are used for I2C (BRD_ALT_CONFIG=1)
  • 5 PWM outputs (4 motors and 1 LED)

Pinout

Beast H7 v2 AIO Board

UART Mapping

The UARTs are marked Rn and Tn in the above pinouts. The Rn pin is the receive pin for UARTn. The Tn pin is the transmit pin for UARTn.

Name Pin Function
SERIAL0 COMPUTER USB
SERIAL1 RX1/TX1 UART1 (DJI connector)
SERIAL2 TX2/RX2 UART2 (DJI connector, TX is on the back side of board)
SERIAL3 TX3/RX3 UART3
SERIAL4 TX4/RX4 UART4
SERIAL7 TX7/RX7 UART7 (GPS)

All UARTS support DMA.

RC Input

RC input is configured on the (UART2_RX/UART2_TX) pins which forms part of the DJI connector. It supports all RC protocols.

OSD Support

The Beast H7 v2 AIO supports OSD using OSD_TYPE 1 (MAX7456 driver).

PWM Output

The Beast H7 AIO supports up to 4 PWM outputs. The pads for motor output ESC1 to ESC4 on the above diagram are for the 4 outputs. All 4 outputs support DShot as well as all PWM types.

The PWM are in in two groups.

Channels within the same group need to use the same output rate. If any channel in a group uses DShot then all channels in the group need to use DShot.

Battery Monitoring

The board has a builtin voltage sensor. The voltage sensor can handle up to 6S LiPo batteries.

The correct battery setting parameters are:

  • BATT_MONITOR 4
  • BATT_VOLT_PIN 12
  • BATT_VOLT_MULT around 10.9
  • BATT_CURR_PIN 13
  • BATT_CURR_MULT around 28.5

These are set by default in the firmware and shouldn't need to be adjusted

Compass

The Beast H7 v2 AIO does not have a builtin compass, but you can attach an external compass to I2C pins. Default configuration does not have I2C bus enabled. You need to set BRD_ALT_CONFIG=1 to make I2C use RX3/TX3 pins.

NeoPixel LED

The board includes a NeoPixel LED on the underside which is pre-configured to output ArduPilot sequences. This is the fifth PWM output.

Loading Firmware

Initial firmware load can be done with DFU by plugging in USB with the bootloader button pressed. Then you should load the "with_bl.hex" firmware, using your favourite DFU loading tool.

Once the initial firmware is loaded you can update the firmware using any ArduPilot ground station software. Updates should be done with the *.apj firmware files.