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+# Board - FLYINGRCF4WINGMINI
+
+This is a budget-friendly flight controller. Component tolerances and quality control may vary compared with higher-cost hardware, so users should test critical functions carefully before flying. The board has been advertised as INAV-compatible, but it was not originally submitted through the official INAV target process; current support exists thanks to community work, especially the contribution from dixi83.
+
+The manufaturer, FlyingRC, now has a GitHub available: https://github.com/FlyingRC-Official
+
+Hardware issues have been reported on these flight controllers. They are also missing many features. Unlike most other _wing_ flight controllers, this is not an all-in-one solution. It requires an external power source for servos, so is not as small or light as it first appears.
+
+> [!WARNING]
+> We recommend you only use this flight controller on very light aircraft that you will keep within line-of-sight distances. Reliability of the hardware is far from guaranteed. So fitting to a larger, heavier aircraft adds unnecessary safety risks. Also, there are essential features missing for other types of flights. Please keep this for small park fliers only.
+>
+> Also, if you choose to buy one of these, compare pricing carefully. At around US$40 there are more capable flight controllers available.
+
+## Specifications
+| | |
+|-----|-----|
+| MCU | STM32F405RTG6 |
+| Gyro | ICM-42605 / BMI270 |
+| Baro | SPL06 |
+| UARTS | 1, 2 (RX only - SBUS), 4 (DJI), 5 |
+| PWM | Six + One (S12 used for LED control) |
+| I<sup>2</sup>C | 1 |
+| Size | 27.9 x 20.3 x 11.2 mm |
+| Weight | 2.8g |
+
+> [!NOTE]
+> There is conflicting information for the power this FC can handle. There are 2 specs provided:
+> | | |
+> |---|---| 
+> | Voltmeter | 2.5-30V |
+> | Power input | 5v |
+> 
+> There is no ADC for "voltmeter" input. So potentially this FC can run at 1S to 6S. However there are only 2 LDO regulators on the FC itself. 
+
+## Notable missing features
+* Current sensor on earlier hardware revisions (V4 adds a backside ADC current-sensor pad)
+* Blackbox recording
+* Analogue OSD
+* PINIO (for VTX power switching etc)
+* Additional ADCs (airspeed sensor, RSSI, etc)
+* On-board power rail for servos
+* Filtered power for video