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.. _geprc-taker-f745: | ||
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================ | ||
GEPRC TAKER F745 | ||
================ | ||
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The TAKER F745 is a flight controller produced by `GEPRC <https://geprc.com/>`_. | ||
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Features | ||
======== | ||
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* STM32F745 microcontroller | ||
* MPU6000+ICM42688 dual IMU | ||
* BMP280 barometer | ||
* microSD based 512MB flash logging | ||
* AT7456E OSD | ||
* 7 UARTs | ||
* 8 PWM outputs | ||
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Pinout | ||
====== | ||
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TOP | ||
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.. image:: ../../../images/TAKER_F745_BT_Board_Top.jpg | ||
:target: ../_images/TAKER_F745_BT_Board_Top.jpg | ||
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BOTTOM | ||
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.. image:: ../../../images/TAKER_F745_BT_Board_Bottom.jpg | ||
:target: ../_images/TAKER_F745_BT_Board_Bottom.jpg | ||
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UART Mapping | ||
============ | ||
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The UARTs are marked Rn and Tn in the above pinouts. The Rn pin is the | ||
receive pin for UARTn. The Tn pin is the transmit pin for UARTn. | ||
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* SERIAL0 -> USB | ||
* SERIAL1 -> UART1 (DisplayPort, DMA-enabled) | ||
* SERIAL2 -> UART2 (RCIN, DMA-enabled) | ||
* SERIAL3 -> UART3 (connected to internal BT module, not currently usable by ArduPilot) | ||
* SERIAL4 -> UART4 (GPS) | ||
* SERIAL6 -> UART6 (User) | ||
* SERIAL7 -> UART7 (User) | ||
* SERIAL8 -> UART8 (ESC Telemetry) | ||
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RC Input | ||
======== | ||
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RC input is configured by default via the USART2 RX input. It supports all unidirectional RC protocols except PPM. FPort and full duplex protocols, like CRSF/ELRS, will need to use TX2 also. | ||
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.. note:: If the receiver is FPort or a full duplex protocol, then the receiver must be tied to the USART2 TX pin and `SERIAL2_OPTIONS <https://ardupilot.org/copter/docs/parameters.html#serial2-options>`_ = 7 (invert TX/RX, half duplex), and `RSSI_TYPE <https://ardupilot.org/copter/docs/parameters.html#rssi-type>`_ =3. | ||
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FrSky Telemetry | ||
=============== | ||
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FrSky Telemetry is supported using the Tx pin of any UART. You need to set the following parameters to enable support for FrSky S.PORT (example shows SERIAL3). | ||
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* SERIAL3_PROTOCOL 10 | ||
* SERIAL3_OPTIONS 7 | ||
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OSD Support | ||
=========== | ||
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The TAKER F745 BT supports analog OSD using its internal OSD chip and simultaneously HD goggle DisplayPort OSDs via the HD VTX connector. | ||
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VTX Support | ||
=========== | ||
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The SH1.0-6P connector supports a standard DJI HD VTX connection. Pin 1 of the connector is 12v (or VBAT by solder pad selection) so be careful not to connect to devices expecting 5v. | ||
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PWM Output | ||
========== | ||
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The TAKER F745 BT supports up to 9 PWM outputs. The pads for motor output | ||
M1 to M4 are on the esc connector, M5-M8 are solder pads, plus M9 is defaulted for serial LED strip or can be used as another PWM output. | ||
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The PWM is in 4 groups: | ||
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* PWM 1-4 in group1 | ||
* PWM 5-6 in group2 | ||
* PWM 7-8 in group3 | ||
* PWM 9 in group4 | ||
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Channels within the same group need to use the same output rate. If | ||
any channel in a group uses DShot then all channels in the group need | ||
to use DShot. Channels 1-4 support bi-directional DShot. | ||
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Battery Monitoring | ||
================== | ||
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The board has a internal voltage sensor and connections on the ESC connector for an external current sensor input. The voltage sensor can handle up to 6S LiPo batteries. | ||
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The default battery parameters are: | ||
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* BATT_MONITOR 4 | ||
* BATT_VOLT_PIN 13 | ||
* BATT_VOLT_SCALE 11.0 | ||
* BATT_CURR_PIN 12 | ||
* BATT_CURR_SCALE 28.5 | ||
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Compass | ||
======= | ||
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The TAKER F745 BT does not have a builtin compass, but you can attach an external compass using I2C on the SDA and SCL pads. | ||
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Loading Firmware | ||
================ | ||
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Initial firmware load can be done with DFU by plugging in USB with the | ||
bootloader button pressed. Then you should load the "with_bl.hex" | ||
firmware, using your favourite DFU loading tool. | ||
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Once the initial firmware is loaded you can update the firmware using | ||
any ArduPilot ground station software. Updates should be done with the | ||
\*.apj firmware files. | ||
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[copywiki destination="plane,copter,rover,blimp"] |
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