$5 Diy Flight Controller Inav

$5 DIY Flight Controller (Blackpill-STM32F411) INAV

$5 DIY Flight Controller (Blackpill-STM32F411) INAV Custom firmware.

$5 DIY Flight Controller (Blackpill-STM32F411) INAV5.1.0 with GPS and I2C sensors.

$5 DIY Flight Controller (Blackpill STM32F411CEU6) with BMI160.

$5 DIY Flight Controller (Blackpill-STM32F411) Test Flight #2

$5 DIY Flight Controller (Blackpill-STM32F411)

STM32F411CEU6 Flight Controller Board, INAV 6.1 "Horizon Hawk"