Beta75 Pro 2 with 1S battery,
Motor don`t spin:
http://support.betafpv.com/support/s...nning-reversed


BLheli configurator download:
https://github.com/blheli-configurat...rator/releases

Startup Power:
Default power:0.5 (2S)
1S:0.75~1
Max：1.5



PS：1. Original MATEKF411RX Firmware 4.0.0 need to use Betaflight 10.4

2.Beta75 Pro 2 firmware 4.0.6 use
Betaflight 10.5.1 (for now).