mirror of
https://github.com/ArduPilot/ardupilot
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77 lines
2.7 KiB
Markdown
77 lines
2.7 KiB
Markdown
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# CrazyF405HD ELRS 1-2SAIO Flight Controller
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The CrazyF405HD ELRS 1-2S AIO is a flight controller produced by [Happymodel](https://www.happymodel.cn/index.php/2023/05/26/crazyf405hd-elrs-1-2s-aio-fc-built-in-uart-elrs-receiver-and-12a-blheli_s-esc/.)
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## Features
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- MCU: STM32F405RGT6, 168MHz
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- Gyro: BMI270 (SPI)
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- 1Mb Onboard Flash
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- BEC output: 5V, 2A@4V
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- Barometer: BMP280
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- 3 UARTS: (UART1, UART2 ,UART6)
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- 5 PWM outputs (4 motor outputs used internally for integrated 4-in-1 ESC and 1 integrated LED)
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- Integrated 4-in-1 BlueJay ESC
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- Firmware target: BetaflightF4
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## Pinout
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## UART Mapping
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The UARTs are marked Rn and Tn in the above pinouts. The Rn pin is the
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receive pin for UARTn. The Tn pin is the transmit pin for UARTn.
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|Name|Pin|Function|
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|:-|:-|:-|
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|SERIAL0|COMPUTER|USB|
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|SERIAL1|RX1/TX1|UART1 (Display Port,DMA-enabled)|
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|SERIAL2|TX2/RX2|UART2 (RCIN,ELRS, internal)
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|SERIAL5|RX6|UART6 (USER,DMA-disabled)|
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## RC Input
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RC input is configured on the on-board ELRS on UART2 or through (UART2_RX/UART2_TX) pins. It supports all serial RC protocols.
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To disable the onboard ELRS module and use an external RC on TX2/RX2, desolder the RX/TX pads of the onboard ELRS receiver as shown in the image.<br>
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<center>
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<img src="CrazyF405_external_elrs.jpg" alt="CrazyF405HD ELRS Pinout" title="CrazyF405HD ELRS 1-2S AIO" style="width:50%;">
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</center>
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## OSD Support
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The CrazyF405HDAIO is optimized for Digital HD FPV and does not require the analog OSD chip (MAX7456); OSD data is transmitted via MSP to the digital VTX.
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## PWM Output
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The Carzyf405HD AIO has 4 PWM outputs internally connected to its 4-in-1 ESC. The pads for motor output are M1 to M4 on the board. All 4 outputs support DShot, as well as all PWM types. The default configuration is for DShot using the already installed BlueJay firmware.
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## Battery Monitoring
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The board has a builtin voltage sensor and a current sensor input tied to its 4 in 1 ESC current sensor. The voltage sensor can handle up to 2S
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LiPo/Li-Hv batteries.
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The correct battery setting parameters are:
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- BATT_MONITOR 4
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- BATT_VOLT_PIN 12
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- BATT_VOLT_MULT 10.9
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- BATT_CURR_PIN 13
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- BATT_CURR_MULT 50
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These are set by default in the firmware and shouldn't need to be adjusted
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## Compass
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The BETAFPV F405 AIO does not have a builtin compass.
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## Loading Firmware
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Initial firmware load can be done with DFU by plugging in USB with the
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bootloader button pressed. Then you should load the "with_bl.hex"
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firmware, using your favourite DFU loading tool.
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Once the initial firmware is loaded you can update the firmware using
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any ArduPilot ground station software. Updates should be done with the
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*.apj firmware files.
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