SmartAP Autopilot 3.0 Pro

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SmartAP 3.0 Pro Autopilot is the flight control system for professional multirotor Unmanned Aerial Vehicles capable of fully autonomous flight. SmartAP 3.0 Pro supports any type of multirotor UAV with outstanding navigation and control precision.

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  • Powerful microcontroller 32 bit 168 MHz STM32F4 ARM Cortex M4
  • Compact board size of 8x8 cm (3.15"x3.15"), weight 60g, 6 layers PCB design
  • Power supply from main LiPO battery (3S - 8S) support, up to 36 Volts
  • Power supply from BEC 5V support
  • 12V, 5V, 3.3V generated onboard
  • Integrated GPS receiver (UBlox NEO8, GPS/GLONASS, up to 24 sats, 10 Hz) active antenna, exnternal module is supported as well
  • Integrated telemetry module (100 mW), external module is supported as well (up to 5V@1A powered)
  • Up to 24 PWM I/O support (5V out, high-power), SBUS support
  • USB interface for configuration / firmware update
  • 6-pin JTAG port for programming / debugging
  • Various communication lines (UART/USART, RS232, I2C, SPI)
  • MicroSD card driven by 4-bit SDIO interface for data-logging / parameters
  • Backup battery for real-time clock and GPS receiver
  • Integrated main LiPo battery voltage monitoring
  • 4 ADC inputs, battery voltage / current monitoring
  • Electromagnetic sound audio indicator
  • 4-channels bright LED support (up to 100mA/ch)
  • Sound voice speaker support
  • RGB LED Indicator
  • 2-channels solid state relay


  • IMU: InvenSense MPU-9150
  • Magnetometer: Honeywell HMC5883L
  • Pressure sensors: MS5611

Firmware capabilities

  • Extremely stable flight in stabilize (user control), position hold (semi-autonomous control) and auto (fully autonomous navigation and control) modes.
  • MAVLink compatible Ground Control Station protocol
  • Accurate GPS Position hold (up to 40cm with good GPS reception quality)
  • Accurate Altitude hold (up to 10 cm), manual altitude override
  • Fully autonomous waypoints flight, return to home mode
  • Low battery detection and event triggering

Flight Modes Overview

  • Stabilization
  • Altitude Hold
  • GPS Position Hold
  • Loiter
  • Return to Home
  • Autonomous Waypoints Flight
  • Guided / Follow me
  • Take off
  • Landing