> For the complete documentation index, see [llms.txt](https://docs.nwblue.com/nw-blue/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nwblue.com/nw-blue/products/autopilots/proh757/specifications.md).
# Specifications
## Key Specifications
### Processor
* STM32H7 series microcontroller
* High-performance ARM Cortex-M7 architecture
* Multiple SPI, UART, I²C, and CAN peripherals
### Sensors
* [Invensense ICM45686 IMU](https://invensense.tdk.com/products/motion-tracking/6-axis/icm-45686/)
* [STMicro IIC2MDC Magnetometer](https://www.st.com/en/mems-and-sensors/iis2mdc.html)
* [Infineon DPS368 Barometer](https://www.infineon.com/part/DPS368)
### Supported Firmware
* ArduPilot
* PX4
* Betaflight
### PWM Outputs
* Up to 9 PWM outputs
* Timer-grouped outputs compatible with bidirectional DShot
* Compatible with ArduPilot, PX4, and Betaflight ESC protocols
### Power System
#### Input
* VBAT primary input rail 4S-12S
#### Onboard Power Regulation
* 5V 3.5A buck regulator
* 10/12V 3.5A rail generated via dedicated buck converter
#### Power Monitoring
* VBAT sense
* 10/12V rail sense
* 5V rail sense
* 3.3V rail sense
* ESC current sense input
### Indicators
* RGB status LED
* Dedicated system status LED
* Power LED
* Buzzer output (external components required)
### Protection and Signal Integrity
* Low-capacitance ESD diode arrays on external interfaces
* Series resistors on exposed signal lines
* USB ESD protection
* Power rail filtering at external connectors
* 5V current limiting on solder pad to prevent flight controller brownouts
### External Connectivity
* GPS / compass
* ESC outputs
* Telemetry radios
* RC receiver
* CAN peripherals
* USB configuration and firmware flashing
### Dimensions
### Layout