Favorite LittleBee 30A-S OPTO Electronic Speed Controller (Original)

Features
BEC: No BEC.
Light weight
MCU: SILABS EFM8BB21F16, MCU running at 48MHz
Dedicated driver chip
OPTO ESC
Battery: 6-25.2V (2-6S Lipo)
PCB board: 4 layers blind pole board, 3 oz copper
Motor Wire: 70mm (20AWG)
Signal Wire: 120mm
Firmware: BLHeli_S (Supports Oneshot / Oneshot42 and Multishot / Active Braking – dampened light mode)

Specification
Model : Little Bee 30A-S
Input Battery support : 2 – 6S LiPo.
Rated Current : 30A
Brust Current : 35A
Bootloader : BLheli_S