PixPilot-C3 Flight Controller Fixed Wing VTOL
The PixPilot-C3 Flight Controller is a low cost solution with fully redundant IMUs. It is engineered specifically for Fixed Wing VTOL applications where reliability is critical.
To reduce electromagnetic interference, we removed the onboard compass in favor of an external one. This design choice ensures cleaner signal processing. It also includes an integrated high gain buzzer.
This system provides an excellent balance of performance and stability. The redundancy ensures flight safety during complex transitions. It is an ideal choice for professional UAV builds.
The hardware is built to handle the demanding shifts between vertical takeoff and forward flight. By utilizing dual sensors, the system maintains steady orientation. This prevents critical failures during flight.
The redundant power supply further enhances safety. It provides automatic failover to keep the system active. This is vital for long-range missions and high-value payloads.
Integration is streamlined via a Type-C USB port and multiple serial interfaces. This allows for flexible connectivity with various peripherals. The robust build fits most standard UAV frames.
The onboard 32-bit processor delivers the computing power needed for real-time adjustments. This ensures precise control during the most volatile flight phases. It optimizes stability for complex maneuvers.
With 14 PWM servo outputs, the controller offers expansive control over aircraft surfaces. This versatility supports a wide range of VTOL configurations. It simplifies the wiring process for builders.
The dual BMP388 barometers provide highly accurate altitude data. This redundancy is essential for maintaining consistent hover heights. It improves safety during autonomous landing sequences.
User Manual Download
PixPilot-C3 Flight Controller Technical Specifications
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Processor>:
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32-bit STM32F427VIT6 ARM Cortex M4 core with FPU
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168 Mhz/256 KB RAM/2 MB Flash
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32-bit failsafe co-processor (STMF103)
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Sensors
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TWO redundant IMUs (accels and gyros)
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Gyro/Accelerometers: two ICM42688-P(SPI)
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Barometers: Two redundant BMP388 barometers
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Power
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Redundant power supply with automatic failover
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Power supply 4V-6V
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Interfaces
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14x PWM servo outputs (8 from IO, 6 from FMU)
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S.Bus servo output
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R/C inputs for CPPM, Spektrum / DSM and S.Bus
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5x general-purpose serial ports
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2x I2C ports
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2x CAN Bus interface
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MicroSD card reader
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Type-C USB
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High-powered piezo buzzer driver
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Safety switch / LED
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Servo rail BEC independent power input for servos
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Dimensions
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Weight 40g
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Size 74mm x 45mm x 16mm
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