Skystars F7+KO50 is a powerful stack with a good price/performance ratio suitable especially for 5" freestyle drones.The flight controller with modern F7 processor has 16MB of blackbox memory and both 5V/3A and 10V/3A BEC. The FC has a connector for DJI FPV and OSD, so it can be conveniently used on a drone with both digital and analog video transmission. The pads for connecting LEDs in the corners of the flight controller are nice feature. The board has integrated barometer for altitude measurement.
The Skystars KO50 has TVS diode