The LittleBee is a super compact, lightweight, high performance speed controller for your racing multi-rotor. Pre-flashed with BL-Heli_S. These ESCs do not have a BEC, you will need to supply 5v power to your flight controller with a UBEC or stepdown voltage regulator. These new Littlebee 20A-S esc's have there own dedicated Driver Chip with the blheli_S compatable bootloader Specifications BEC: none Current: 30A Burst Current: 40A Bootloader: BL-Heli_S Size: 35mm x 17mm Support/Mode: Oneshot125, Oneshot42 and Multishot Main IC: SILABS EFM8BB21F16, MCU runs at 48MHz Battery: 2-6S LiPo MOS: Both low and high side fets are Nfets Weight: 9g (including Power and signal wires) With all ESC's that have active braking we recommend you isolate or filter all sensitive electronics to prevent feedback / spikes.
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