Discontinued: Holybro Pixhawk 6X (Rev 3) Autopilot Kit PX4 Flight Controller
A top of the range autopilot with multiple redundancy features built in. There are two versions, Standard & Mini.
This page is for the REV 3 & 4, for the most updated version (REV 8). Please go to this page. The REV 8 sensor set has 3x ICM-45686 IMU with BalancedGyro™ Technology.
Inside the Pixhawk® 6X, you can find an STMicroelectronics® based STM32H753, paired with sensor technology from Bosch®, InvenSense®, giving you flexibility and reliability for controlling any autonomous vehicle, suitable for both academic and commercial applications.
The Pixhawk® 6X’s H7 microcontroller contain the Arm® Cortex®-M7 core running up to 480 MHz, has 2MB flash memory and 1MB RAM. The PX4 Autopilot takes advantage of the increased power and RAM. Thanks to the updated processing power, developers can be more productive and efficient with their development work, allowing for complex algorithms and models.
The FMUv6X open standard includes high-performance, low-noise IMUs on board, designed for better stabilisation. Triple redundant IMUs & double redundant barometer are on separate buses. When the PX4 Autopilot detects a sensor failure, the system seamlessly switches to another to maintain flight control reliability.
An independent LDO powers every sensor set with independent power control. An inbuilt vibration isolation System has been designed to filter out high-frequency vibration and reduce noise, helping to ensure accurate readings, allowing vehicles to reach better overall flight performances.
External sensor bus (SPI5) has two chip select lines and data-ready signals for additional sensors and payload with SPI-interface, and with an integrated Microchip Ethernet PHY, high-speed communication with mission computers via Ethernet is now possible.
The Pixhawk® 6X is perfect for developers at corporate research labs, startups, academics (research, professors, students), and commercial application.
Key Design Points:
- High performance STM32H753 Processor
- Modular flight controller: separated IMU, FMU, and Base system connected by a 100-pin & a 50-pin Pixhawk® Autopilot Bus connector.
- Redundancy: 3x IMU sensors & 2x Barometer sensors on separate buses
- Triple redundancy domains: Completely isolated sensor domains with separate buses and separate power control
- Newly designed vibration isolation system to filter out high frequency vibration and reduce noise to ensure accurate readings
- Ethernet interface for high-speed mission computer integration
- IMUs are temperature-controlled by onboard heating resistors, allowing optimum working temperature of IMUs
There are two versions of the Pixhawk 6X, Standard and Mini. The difference between them relates to their base boards. The Mini’s base board is more compact with fewer ports and uses breakout boards for the PWM connections.
Guide:
Product Overview
Wiring Quick Start Guide
Product Detail:
Pixhawk6X_Dimensions
Pixhawk6X_Pinout / Mini Pinout
Pixhawk6X_Spec_Overview
PM02D_Power_Module_Manual
Processors & Sensors
- FMU Processor: STM32H753
- 32 Bit Arm® Cortex®-M7, 480MHz, 2MB memory, 1MB RAM
- IO Processor: STM32F100
- 32 Bit Arm® Cortex®-M3, 24MHz, 8KB SRAM
- On-board sensors
- Accel/Gyro: ICM-20649
- Accel/Gyro: ICM-42688P
- Accel/Gyro:ICM-42670-P
- Mag: BMM150
- Barometer: 2x BMP388
Electrical data
- Voltage Ratings:
- Max input voltage: 6V
- USB Power Input: 4.75~5.25V
- Servo Rail Input: 0~36V
- Current Ratings:
- All other port combined output current limiter: 1.5
- Telem1 output current limiter: 1.5
Mechanical data
- Dimensions
- Flight Controller Module: 38.8 x 31.8 x 14.6mm
- Standard Baseboard: 52.4 x 103.4 x 16.7mm
- Mini Baseboard: 43.4 x 72.8 x 14.2 mm
- Weight
- Flight Controller Module: 23g
- Standard Baseboard: 51g
- Mini Baseboard: 26.5g
Interfaces
- 16- PWM servo outputs
- R/C input for Spektrum / DSM
- Dedicated R/C input for PPM and S.Bus input
- Dedicated analog / PWM RSSI input and S.Bus output
- 4 general purpose serial ports
- 3 with full flow control
- 1 with separate 1.5A current limit (Telem1)
- 1 with I2C and additional GPIO line for external NFC reader
- 2 GPS ports
- 1 full GPS plus Safety Switch Port
- 1 basic GPS port
- 1 I2C port
- 1 Ethernet port
- Transformerless Applications
- 100Mbp
- 1 SPI bus
- 1 SPI reset line
- 1 SPI SYNC line
- 2 data-ready lines
- 2 chip select lines
- 2 CAN Buses for CAN peripheral
- CAN Bus has individual silent controls or ESC RX-MUX control
- 2 Power input ports with SMBus
- 2 Dedicated debug and GPIO lines
- 1 PWM/Capture input
- 2 additional analog input
- 1 AD & IO port
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SHIPPING & DELIVERY
We are based in the UK and ship to most destinations worldwide.
We dispatch orders during the times shown on our Dispatch Schedule. Orders placed before the daily dispatch cutoff will ship the same day (subject to stock availability). Orders placed after the cutoff will ship on the next scheduled dispatch day.
A confirmation email is sent once your order has been packed. If you need to amend your order, please contact us as soon as possible — once shipped, we’re unable to make changes.
We work with trusted delivery partners including Royal Mail, DHL, UPS, Fedex and Parcelforce. If you have a delivery requirement or would like to arrange collection, please get in touch.
Next Dispatch: Tomorrow
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Shipping to the UK
- Order before the daily dispatch cutoff for same day dispatch.
- FREE delivery available on qualifying orders over £99 (under 1kg).
For small, low-value orders, Royal Mail First Class is our most economical option. Royal Mail Tracked 24 is the most popular choice, offering full tracking and flexible delivery options. For guaranteed next working day delivery, we recommend Royal Mail Special Delivery.
Royal Mail delivers to residential addresses Monday to Saturday, while courier services (including DHL) typically deliver Monday to Friday.
International Postage
- USA orders: Import duties and taxes are prepaid by us — no additional customs charges on delivery.
- Other destinations: Customs duties or import taxes may apply and are the responsibility of the recipient.
Smaller, lower-value orders may be sent via Airmail or tracked postal services. Economy road and express air courier options are available depending on destination. For faster delivery, we recommend express air courier services such as DHL Express, which typically deliver within 1–2 working days across Europe and a few working days for most other destinations.
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