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Flight Controller F405-WTE
Brand: Matek
Product Code: F405-WTE
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Flight Controller F405-WTE
Description
1. Product Summary
1.1. Product Description
The Matek Systems F405-WTE is a feature-rich and compact flight controller optimized for fixed-wing, VTOL, and UAV aircraft. It is based on the STM32F405RGT6 168 MHz microcontroller and includes a high-precision ICM42688-P IMU and SPL06-001 barometer. This controller supports ArduPilot and INAV flight firmware and integrates Wi-Fi telemetry or built-in 2.4 GHz ExpressLRS receiver (depending on configuration). Designed with a robust PDB and current sensor, it handles up to 220 A peak current, ensuring reliability for demanding aircraft systems.
1.2. Product Features
- MCU: STM32F405RGT6, 168 MHz, 1 MB Flash memory.
- IMU Sensor: ICM42688-P for precise gyro and accelerometer data.
- Barometer: SPL06-001 digital pressure sensor.
- Wireless Module: Integrated ESP-based module supporting Wi-Fi telemetry or built-in ELRS receiver.
- Storage: microSD slot for BlackBox logging.
- Interfaces: 6 UARTs + 1 soft-serial, 1 I²C, 4 ADC inputs.
- PWM Outputs: 12 channels for servos and peripherals.
- Power Input: 6.8 V – 30 V (2S–6S LiPo) with surge protection.
- Current Sensor: 90 A continuous / 220 A peak via integrated shunt (≈ 0.3 mΩ).
- Dual Camera Input: C1 / C2 video switching for FPV setups.
- Firmware Compatibility: ArduPilot (MatekF405-TE) and INAV (MATEKF405TE_SD).
1.3. Applications
- Fixed-Wing Aircraft: FPV long-range planes, mapping and reconnaissance UAVs.
- VTOL / Hybrid Platforms: Aircraft with servo and motor mixed systems.
- Industrial UAVs: Drones requiring telemetry and current sensing integration.
- Educational / Research Systems: Autonomous flight and embedded navigation research.
2. Technical Specifications
Table 2-1. F405-WTE Technical Specifications
| Manufacturer | Matek Systems |
| Model | F405-WTE Flight Controller |
| Microcontroller | STM32F405RGT6 (168 MHz, 1 MB Flash) |
| IMU Sensor | ICM42688-P |
| Barometer | SPL06-001 |
| Wireless Module | Integrated ESP Wi-Fi or 2.4 GHz ELRS Receiver |
| UART Ports | 6 + 1 Soft-Serial |
| I²C Bus | 1 |
| PWM Outputs | 12 Channels |
| ADC Inputs | 4 (VBAT, Current, RSSI, Airspeed) |
| Input Voltage | 6.8 V – 30 V (2S – 6S LiPo) |
| Current Sensor | 90 A continuous / 220 A peak (≈ 0.3 mΩ shunt) |
| Power Output | 5 V / 9 V / 12 V / Vx BEC outputs for peripherals |
| Storage | microSD slot for BlackBox logging |
| Dual Camera Input | Supported (C1 / C2) |
| Dimensions | 44 × 29 × 12.7 mm |
| Mounting Hole Pattern | 25 × 25 mm / Ø 2 mm |
| Weight | ≈ 22 g (with USB adapter and buzzer) |
| Firmware Compatibility | ArduPilot / INAV (“MATEKF405TE_SD”) |
3. Electrical Characteristics
Table 3-1. Electrical Parameters
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage | 6.8 | 12 | 30 | V |
| Continuous Current | – | 90 | – | A |
| Peak Current | – | – | 220 | A |
| 5 V BEC Output | 4.8 | 5.0 | 5.2 | V |
| 9 V BEC Output | 8.8 | 9.0 | 9.3 | V |
| 12 V BEC Output | 11.8 | 12.0 | 12.3 | V |
| Operating Temperature | -20 | 25 | 80 | °C |
4. Integration and Usage Notes
- Supports ArduPilot (MatekF405-TE) and INAV (MATEKF405TE_SD) firmware.
- Use the integrated Wi-Fi/ELRS module for wireless telemetry and configuration.
- Supports dual camera switching and VTX control for FPV applications.
- Ensure clean power supply and separation of signal/power wiring to minimize noise.
- Calibrate current sensor (≈ 66.7 A/V) in firmware for accurate readings.
- Mount away from high-vibration components to protect IMU accuracy.
5. Environmental Conditions
Table 5-1. Environmental Ratings
| Operating Temperature | -20 °C ~ +80 °C |
| Storage Temperature | -40 °C ~ +90 °C |
| Humidity | 5 % ~ 95 % (non-condensing) |
6. Precautions
- Always verify input polarity before powering the device.
- Do not exceed 30 V input or 6S LiPo rating.
- Maintain minimum 1 V headroom above servo rail voltage when using Vx BEC.
- Keep IMU free from vibration and EMI interference sources.
- Ensure firmware version matches hardware revision (WTE variant).
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