SP Racing F4 Flight Controller Acro

Features:
New generation F4 hardware flight controller for FPV race, STM32F405 MCU, Acro version.
Frequency up to 168Mhz ,Flight controller firmware is pushing flight controllers to the limit.
Fast loop times enable sophisticated filtering to deliver the locked in, flying on rails feeling.
Betaflight easily delivers 125us (or faster) loop times on the F4 flight controller.
SBUS / PPM input (Pinheaders).
6PWM output (Pinheaders).
Only 36 * 36mm, mount holes 30.5 * 30.5mm.
128Mb Flash (16M Byte).
MPU6000 SPI Bus.