Change startup music esc drone : Imperial March and others by Eclatan FPV
Play Music with ESC and Motors! | BLHeli_32 Custom Startup Tones - Oscar Liang
Im missing rhe last two beeps when not in betaflight - Help - DroneTrest
Brushless ESC Manual Advanced Edition | Manualzz
4 IN 1 ESC stopped working (ESCS 2 and 4 don't show up in BLHELI suite, and they don't make their startup tones when I plug in a battery. Pls help: Multicopter