CBU-CM405-FC (EOL)
End Of Life
The CM405-FC is designed to simplify and minimize the physical size of UAV control systems. By incorporating common accessories onto a single circuit board system-to-system wiring is dramatically reduced, minimising weight and failure points. With tight integration for a Raspberry Pi Compute Module 4, high demand onboard processing comes in a tiny form factor!
Dimensions: 55x40x16mm (48x33mm M2.5 Mounting)
Weight: (Stack Total = 29g)
CM405-FC = 16g
CM405-FC-BO =2g
CM4 = 11g
General Overview
The flight controller can be generally split into 2 halves:
1) The STM32F405 runs ArduPilot or Px4 and calculates all the algorithms needed for stable flight. (Shown Yellow in the Architectural Map)
2) The Raspberry Pi Compute Module 4 acts as a companion computer connected to the STM32 over UART and allows more advanced I/O and flight manipulation. (Shown Blue in the Architectural Map)
I/O and Sensors
STM32
2x IMU (1x ICM20602, 1x BMI270)
1x Barometer (BMP280)
5x UART Serial (1x Externally Jumped to the CM4, 1x For SBus or Serial RC)
1x I2C
6x PWM (1-6 through mezzanine, 5-6 through Female Header)
Micro SD For Logging
Raspberry Pi Compute Module 4
2x CSI Camera (Pi Zero Connector)
4x USB 2.0 Host (Male Header)
Micro SD Card for without EMMC
1x UART Serial (Externally Jumped to the STM32)
Full 40 Pin GPIO (Broken out to solder pads, ONLY compatible with CM405-FC-BO)
ESC Mezzanine
CM405-FC-BO
All new purchases will come with a CM405-FC-BO, which simply connects onto the top of the flight controller and breaks out into an 8 pin sh1.0 connector for power, current and PWM 1-4. The breakout also features an integrated Voltage sensor.
CM405-FC-ESC
A range of compatible BL-Heli ESCs are available with varying applications.
CM405-ESC-4s4c. 4 channel, 2-4s 20 Amp ESC (Quadcopters)
CM405-ESC-4s2c. 2 channel, 2-4s 20 Amp ESC with 4 servo channels and dedicated servo BEC (Fixed wing)
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