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FLIGHT CONTROLLER F405-CTR

STM32F405, MPU6000, BMP280, BFOSD, SD Card Slot, VCP+5x UARTs, PDB, Current Sensor 184A, BEC 5V/2A

Matek F405 CTR FC

The F405-CTR is the new and improved version of Matek’s first all-in-one FC, the F405-AIO. On the face of it not a lot looks to have changed, but that’s because this board has been refined with subtle changes that add up to make a big difference.

With the old AIO, some criticized the gyro (IMU20602) for being too sensitive, resulting in yaw twitches despites efforts to reduce noise by soft-mounting. The CTR now uses the MPU600 gyro, which is a proven option and favoured by many flight controller designers for its robustness against noise.

A new welcome addition to the F405-CTR is the barometer, or baro (BMP280) - a sensor that can be used to estimate altitude. Coupled with a GPS module and running iNav, you’ll be able to access new flight modes and anonymous flying for quads and wings.

The 7mm soft mounts used by the old AIO have been replaced by integrated silicone grommets, which allow the FC to be stacked lower by about 4mm, making for an even neater stack.

Other changes include, a more reliable 5V BEC, dedicated ESC RX5 pads for ESC telemetry, a DAC connection for FPV camera control, an extra UART port and I2C port for external sensors.

The CTR retains all of the great features of the original AIO, including, the same powerful F4 MCU, SD card slot for black box recording, BetaFlight OSD, current sensing, compact PDB and support for PWM, Oneshot, Multishot and Dshot.

Features:

  • Fully integrated flight controller
  • 6 axis 8Khz MPU6000 gyro
  • F4 MCU
  • Built-in barometer
  • Betaflight OSD
  • 6 x PWM/Dshot outputs
  • 5 UART's
  • I2C & DAC Pads
  • Side press button for BOOT (DFU) mode
  • MicroSD for blackbox logging
  • Bec (5v@2A)
  • Built in PDB (4 x 30A/Max 4 x 46A)
  • 184A current sensor
  • 6-30V Input Voltage
  • Smartaudio & Tramp VTX protocol supported

Note: Please always test the board first using usb connection as returns cannot be accepted once the FC as been soldered.

Matek F405-CTR AIO Features

Matek F405-CTR WiringMatek F405-CTR Receivers

Matek F405-CTR iNav

Drivers & Softwares

BetaFlight Github

BetaFlight Firmware

INavFlight Github

INAV Firmware

Tips:

  • CLI “defaults” after reflashing
  • S5 (PA15) or TX2 (PA2) can be resourced to softserial for Frsky SmartPort
  • 2812LED_Strip share I2C1_SCL pad as default.  either enable LED_Strip, or enable Baro.
  • 2812LED can be resourced to S5 (PA15) if using Baro the same time with BF firmware
  • Put a piece of sponge on the barometer to reduce the impact of airflow.

FC Specifications

  • Target: MATEKF405
  • MCU: 168MHz STM32F405
  • IMU: MPU6000 accelerometer/gyro (SPI)
  • Baro: BMP280 (I2C)
  • OSD: BetaFlight OSD w/ AT7456E chip
  • Blackbox: MicroSD card slot (SD/SDHC)
  • VCP, UART1, UART2, UART3, UART4, UART5
  • Built in inverter for SBUS input (UART2-RX)
  • PPM/UART Shared: UART2-RX
  • SoftSerial on TX2, S5 or S6 optional
  • Camera control on S6 or DAC optional
  • Smartaudio & Tramp VTX protocol supported
  • WS2812 Led Strip: Yes
  • Beeper: Yes
  • RSSI: Yes

* If Gyro 32kHz & PID loop 16kHz, Blackbox logging rate 1kHz Max.

PDB Specifications

  • Input: 9~27V (3~6S LiPo) w/TVS protection
  • PDB: 4x30A (Max.4x50A), 6 layers*2oz copper PCB
  • BEC: 5V/2A (Max. 3A)
  • LDO 3.3V: Max.300mA for Spektrum RX
  • Current Sensor 200A (Scale 165)
  • Battery Voltage Sensor: 1:10 (Scale 110)

General Specifications

  • 3x LEDs for FC STATUS (Blue, Red) and 3.3V indicator(Red)
  • 6x PWM / DShot outputs without conflict
  • 5x UARTs
  • 1x Group of G/S1/S2/S3/S4 pads for 4in1 ESC Signal/GND
  • 4x pairs of corner pads for ESC Signal/GND connections (DSHOT compatible)
  • 1x pair I2C1 pads
  • 1x Side-press button for BOOT(DFU) mode
  • Size: 36x46mm PCB with 30.5mm mounting holes
  • Weight: 10g

Included:

  • 1x Matek Systems BetaFlight F405-CTR
  • 4x Rubycon ZLH 35V/470uF (Low ESR)
  • 6x silicon grommets M4 to M3
  • 1x FR4 PCB Plate

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