SpeedyBee F405 V4 BLS 55A 30×30 FC&ESC Stack
Viewed by : 564 STM32F405 FC (better than F411), onboard 4-level battery life indicator, 4GB Blackbox SD card slot for
SpeedyBee F405 Mini BLS 35A 20×20 Stack
Viewed by : 587 $59.99 for a Bluetooth 35A Stack? That’s ridiculous! Utilizing an upgraded F405 flight controller chip with