The SPRacingF3 Flight controller was designed to give
awesome flight performance and smooth flight
characteristics.
Small, light weight and runs Clean flight/Betaflight.
This FC would be able to run at 4Khz without a problem.

Specifications

36x36mm board with 30.5mm mounting holes
Weight ~6 grams
Acro version is without Compass and Barometer Sensors
STM32F303 CPU, 72Mhz inc FPU
High-Capacity Flash (Acro and Deluxe)
MPU6050 accelerometer/gyro
MicroUSB socket
2x 8pin JST-SH sockets (PPM, PWM, SERIAL RX, GPIO,
ADC, 3V, 5V, GND)
8x 3pin though-holes for pin headers for ESC/Servo
connections
2x 4pin though-holes for pin headers for 2x serial ports
1x 2pin though-holes for pin headers for battery voltage
1x 2pin though-holes for pin headers for buzzer
1x 4pin JST-SH socket for I2C
1x 4pin JST-SH socket for SWD debugging

• SPRacingF3

SPRacingF3KDS