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F3FC Racing board from RCExplorer.se. Upcoming standalone board (not the Tricopter integrated).
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# Board - F3FC Racing | ||
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Designed by RCExplorer.se | ||
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Full details available on the website, here: | ||
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http://rcexplorer.se/product/f3fc-racing/ | ||
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## Hardware Features | ||
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* STM32F303CC Processor | ||
* MPU6000 connected via SPI (With interrupt pin connected) | ||
* 3 UARTs | ||
* VCP USB | ||
* 6 PWM channels (PWM 6 used as PPM input when selected) | ||
* Supports SBus, SumH, SumD, Spektrum1024/2048, XBus and PPM receivers. No external inverters required. | ||
* Dedicated RGB LED control pin. | ||
* Dedicated I2C port | ||
* Integrated battery monitoring | ||
* Current sensor input pin | ||
* Buzzer/Beeper port | ||
* Built in 5V BEC (500mA) | ||
* Push button for entering DFU mode | ||
* 3.3V pad available for spectrum satellite receivers. | ||
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## Serial Ports | ||
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| Value | Identifier | RX | TX | Notes | | ||
| ----- | ------------ | ------------ | ------------ | ------------------------------------------------------------------------------------------- | | ||
| 1 | VCP | PA11 | PA12 | Mini USB connector | | ||
| 2 | USART1 | PB7 | PB6 | Marked as R1 and T1 on the board | | ||
| 3 | USART2 | PA3 | PA2 | Marked as R2 and T2 on the board | | ||
| 4 | USART3 | PB11 | PB10 | Marked as R3 and T3 on the board | | ||
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## Pinouts | ||
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Full pinout details are available in the manual, here: | ||
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http://rcexplorer.se/product/f3fc-racing/ | ||
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### IOs | ||
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| Pad | Signal | Notes | | ||
| ------ | -------------- | -------------------------------------------- | | ||
| Isense | PB2 | Analog sensor | | ||
| Vbat | PA5 | Voltage supplied to the built in BEC | | ||
| LED | PB8 | RGB LED control | | ||
| FB | PA6 | Servo position FeedBack / RSSI input | | ||
| BZ- | PA0 | Buzzer output | | ||
| 6 | PA1 | Used as PPM input when selected | | ||
| SCLK | PA9 | SCLK I2C | | ||
| SDA | PA10 | SDA I2C | | ||
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PWM’s are marked as 1-6 | ||
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## Voltage and current monitoring | ||
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Voltage is measured on the “Vbat” (which also powers the built in BEC) pads through a voltage divider of 10k/1k connected to PA5. | ||
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Isense pad is connected straight to PB2 and expects an analog voltage between 0-3.3V |
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