> 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 2.5A buck regulator
* 10V 2.5A rail generated via dedicated buck converter

#### Power Monitoring

* VBAT sense
* 10V rail sense
* 5V rail sense
* 3.3V rail sense
* ESC current sense input

### Indicators

* RGB status LED
* Dedicated system status 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 

<figure><img src="/files/0ld9nB6UcF77EkeIiJBK" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/Ee5iRQoW6vyzSUbYhvqY" alt=""><figcaption></figcaption></figure>

### Layout

<figure><img src="/files/KYuE0XyxziFfQK3vcO8z" alt=""><figcaption><p>Top Connectors</p></figcaption></figure>

<figure><img src="/files/Aaxk0ZzIvA30vrjIa7qz" alt=""><figcaption><p>Bottom Connectors</p></figcaption></figure>

### Orientation

<figure><img src="/files/T2VOcxSFYzoOjL3Wdy8F" alt=""><figcaption><p>PRO H757 Mounting Direction </p></figcaption></figure>

###


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