Racerstar RS20A V2 New 20A Blheli_S OPTO 2-4S ESC Support Oneshot42 Multishot for FPV Racer Racerstar RS20A V2 20A Blheli_S 2-4S ESC Features BLHeli_S is designed for superior performance in multirotors, and uses hardware generated motor pwm for smooth throttle response and silent operation. Chips on EFM8BB21F16, 48MHZ Greatest . Small size combined with light […]