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+# Board - BeeRotor F4
+
+![BeeRotor F4 front](https://raw.githubusercontent.com/wiki/betaflight/betaflight/images/boards/beerotorf4/beerotorf4_front.jpg)
+
+![BeeRotor F4 back](https://raw.githubusercontent.com/wiki/betaflight/betaflight/images/boards/beerotorf4/beerotorf4_back.jpg)
+
+## Features
+
+* STM32F405 CPU
+* Integrated Accelerometer/Gyro MPU6050 via SPI bus
+* Barometer BMP280
+* 8 motor outputs
+* 3 UART ports (UART1, UART2, UART3)
+* External SPI bus
+* UART2 and UART3 are equipped with inverter
+* SD Card slot for logging
+* LED connector
+* Buzzer connector
+* Integrated OSD
+
+## Currently **NOT** supported
+
+* inverter on UART3
+* IR transmitter output
+
+## Radio Receivers
+
+SerialRX, PPM and MSP receivers are supported.
+
+SerialRX and PPM receivers should be connected to dedicated _PPM SBUS_ pin on the _RX_ connector. MSP receivers should be connected to one of UARTs configured as MSP.
+
+## USB
+
+This board uses STM32 VCP and _not_ utilizes UART when USB is connected. STM32 VCP drivers might be required!
+
+Flashing requires DFU mode and STM32 DFU drivers. Use [Zadig](http://zadig.akeo.ie) tool to install WinUSB driver on Windows.
+
+## Buzzer / Beeper
+
+5V piezo buzzer should be connected directly to dedicated pins _BUZ +_ and _BUZ -_. No additional hardware is required.
+
+## RSSI monitoring
+
+* Use the dedicated _RSSI_ pin on the _RX_ connector.
+* 3.3V tolerant, do not supply 5V
+
+## Current monitoring
+
+* Use the dedicated _SI_ pin on the _PDB_ connector, or the _SI_ pad on the board.
+* 3.3V tolerant, do not supply 5V
+
+## Voltage monitoring
+
+* Use the dedicated _SI_ pin on the _PDB_ connector, or the _SV_ pad on the board.
+* 3.3V tolerant, do not supply 5V
+* _SV_ pin on the _PDB_ connector does not have a voltage divider. It requires a voltage divider on the PDB, or the board will be destroyed! (The _SV_ pad on the board has a voltage divider, use this if your board doesn't.)
+
+## LED Strip
+
+* Use the dedicated _LED_ pin on the LED / buzzer connector.