# 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
* INAV

### 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 buck regulator
* 10V 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="https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2F0OKAJ2hDlnscu6Ke8dX2%2FScreenshot%202026-03-10%20at%2011.30.07%E2%80%AFPM.png?alt=media&#x26;token=92fc3ac7-8989-4a40-950a-3974a39037f7" alt=""><figcaption></figcaption></figure>

<figure><img src="https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2FfPAnXrlAiBsBdBsLGy2v%2FScreenshot%202026-03-10%20at%2011.31.23%E2%80%AFPM.png?alt=media&#x26;token=ae0eaaeb-80ea-42eb-808e-536fc709fbb5" alt=""><figcaption></figcaption></figure>

### Layout

<figure><img src="https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2F1c48TKCEk0WwpERbw34s%2FScreenshot%202026-03-10%20at%2011.43.49%E2%80%AFPM.png?alt=media&#x26;token=19a46f73-f925-46b9-9787-0344416e32a8" alt=""><figcaption><p>Top Connectors</p></figcaption></figure>

<figure><img src="https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2FP1TNLgU5I97SLdRPpOhp%2FScreenshot%202026-03-10%20at%2011.44.39%E2%80%AFPM.png?alt=media&#x26;token=fce22d40-ae2a-4d74-b759-74016b769777" alt=""><figcaption><p>Bottom Connectors</p></figcaption></figure>

### Orientation

<figure><img src="https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2FG07aolcvJAHyhJ3g7yCf%2FScreenshot%202026-03-10%20at%2011.55.27%E2%80%AFPM.png?alt=media&#x26;token=5cf8217b-dcd3-4648-a18b-03adc49ca6c6" alt=""><figcaption><p>PRO H757 Mounting Direction </p></figcaption></figure>

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