Control Zero OEM H7 - M10059 
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Description
The Control Zero series of flight controllers represents mRo's commitment to continuous improvement. Our goal with this series was to take every lesson learned from our +10 years of flight controller design and make the best pro-consumer and commercial flight controller on the market. Our journey begins with this Zero in its OEM form factor - this is a no-compromise triple IMU commercial-grade flight controller.
Danger
When mounting the Control Zero OEM into its mating connectors on any carrier board ensure connectors are properly matched and aligned and that no power is applied to the board. If power is applied when the board is not connected properly you will cause irreversible damage to the board.
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Specifications
| Specifications | Control Zero OEM |
|---|---|
| Main Processor | 32-bit STM32H743 Cortex M7 core with DSP and DP-FPU, max frequency 480 MHz |
| IO Processor | No |
| RAM | 1MB RAM |
| Flash | 2 MB |
| FRAM module | 256kb - for parameters only |
| Accelerometers / Gyros / Mags | 3x Accelerometers / 3x Gyros / 1x Mag |
| Sensors | Invensense/TDK ICM-20602 (6DOF) Invensense/TDK ICM-20948 (9DoF) |
| Sensors – Dampened | Bosch BMI088 (6DOF) (internally vibration dampened) |
| Internal Magnetometer | AK09916 inside ICM-20948 |
| Barometer | Infineon DPS310 barometer (Very smooth and NO light sensitivity) |
| Interfaces and Protocols | 6x UART (serial ports) [3x with HW flow control,1x FRSky Telemetry (D or X types), 1x Console & 1x GPS+I2C]. 1x PPM sum input signal 8x PWM outputs (all D-Shot capable) 1x RSSI (PWM or voltage) input 3x I2C 1x SPI 2x CAN 1x SWD (TC2030 Connector) 3x Ultra low noise LDO voltage regulator Supported RC input protocols: Spektrum DSM / DSM2 / DSM-X® Satellite compatible input and binding. Futaba S.BUS® & S.BUS2® compatible input. FrSky Telemetry port output. Graupner SUMD. Yuneec ST24. |
| Mating Connectors | CLM-118-02 CLM-120-02 |
| Pin Headers | Yes |
| Conformal Coating | Optional |
| Extended Testing and Burn In | Yes |
| Custom Carrier Board Support | Yes |
| Notify LED | Yes (RGB) |
| Dimensions | Width: 20mm (0.79″) Length: 35mm (1.38″) |
| Weight | 4.14g (.15 oz) |
| Mounting Holes | No |
| Case | Optional aluminum thermal and mechanical protection |
| Typical Platforms | - Multirotor - Rover - Fixed-Wing - Boats - Submarines - VTOL - Automatic Tractors - Others |
| Electrical | 5.25V @200mA minimum, 2A recommended |
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Warning
Be cautious when removing the OEM from ANY carrier board, ESD safe plastic tweezers were provided for this task. This is true especially for M10112 boards where aggressive weight saving measures were taken.
Design changelog
The latest revision D model includes the following enhancements to the previous versions: - Removed level shifting due to manufacturer decision to discontinue it on short notice. Replaced with robust ESD and current limiting protection. - Added additional voltage rail diagnostic LEDs. - Moved SDCARD to expose the MCU package to enable operations on higher temperature environments with external thermal solutions. - Simplified overall electrical design with additional test points for factory quality control checks. - The external interface remains unchanged for drop-in replacement with earlier revisions. - All-around 3V3 logic level.
Quick start
The board comes with Ardupilot stable pre-installed from factory. However the bootloader provides an interoperation layer with PX4 as well, so QGC will be able to detect it and load firmware adequately.
We encourage all customers to run the latest stable version available from your preferred flight stack.
Firmware
The mRo Control Zero is compatible with the following firmware:
ArduPilot
- compatible with all vehicle types.
PX4
- compatible with all vehicle types.
Some additional resources:
Graphical pinout
The serial ports default assignment is as follows:
| Serial | Port name |
|---|---|
| USART2 | TELEM1 |
| USART3 | TELEM2 |
| USART4 | GPS |
| USART7 | DEBUG CONSOLE |
| USART8 | FrSKY serial |
Custom builds may be needed if you want to change default functionality for UART/SPI 6, this depends on the selected flight stack firmware.
If you have further questions contact us.
Power considerations
The board is intended to be powered either from the power 'brick' labeled as 5V_SRC in the above diagram or the VUSB pin or both; 5.25V is recommended due to protection diodes, this way you'll avoid getting low voltage warnings from the ground station software. The CZ OEM is able to provide up to 1.8A (fused) to the 5V_PRPH power domain, exceeding this current is will damage the board.