LittleBee 20A is one of the best performing speed controllers in micro size on SiLabs chip. Ideal and lightweight solution for 180-250 size FPV quadcopters. Give more thrust than many other controllers, especially on weak ATMega chips.
Supports active braking and Oneshot125.
Features
Current: 20 Amps (peak load up to 25A at 10 sec)
BEC: not available (OPTO)
Firmware: BLHeli
Bootloader: BLHeli (update via two wires on the signal cable)
Main chip: SILABS
Power Support: 2-4S Lipo
Dimensions: 24.5*12.5mm
Weight: 6g (without wires)
Useful links
BLHeliSuite - Сайт программы для прошивки регуляторов на BLHeli
Reviews and discussions
Registration