SKU: DRFC-0221
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Favorite LittleBee 30A-S OPTO ESC 2-6S BLHeli_S

₹1,290.00 (Inclusive of all taxes)
Out of Stock

The Favorite LittleBee 30A-S OPTO Electronic Speed Controller delivers robust 30A continuous current for 2-6S LiPo setups, utilizing a SILABS EFM8BB21F16 MCU and BLHeli_S firmware for swift and responsive throttle control in demanding FPV applications.

Features

  • 30A continuous, 35A burst current handling for high-power demands.
  • Wide 2-6S LiPo input voltage compatibility for versatile builds.
  • SILABS EFM8BB21F16 MCU with BLHeli_S firmware for precise motor control.
  • OPTO design ensures clean signal isolation for stable flight performance.
  • Supports Oneshot125, Oneshot42, and Multishot protocols for rapid response.

Out of stock

Description

The Favorite LittleBee 30A-S OPTO Electronic Speed Controller is engineered for performance FPV builds requiring reliable power delivery and rapid motor response. Featuring a SILABS EFM8BB21F16 MCU operating at 48MHz, this ESC utilizes fast dedicated driver chips to ensure precise commutation and smooth throttle linearity.

Pre-flashed with BLHeli_S firmware, the LittleBee 30A-S supports essential communication protocols including Oneshot125, Oneshot42, and Multishot, providing pilots with extremely fast and responsive control inputs. Its robust design is capable of handling a continuous 30 Amps, with burst capability up to 35 Amps, making it suitable for demanding 2-6S LiPo power systems and high-thrust motor setups.

This OPTO (Opto-Isolated) ESC design omits a built-in BEC, prioritizing signal integrity by isolating the flight controller from motor noise. Built on a 4-layer blind pole PCB with 3 oz copper, it offers excellent thermal dissipation and durability for rigorous FPV freestyle and racing scenarios. It is compatible with all major flight controllers that support BLHeli_S protocols.

Key Features

  • Integrated SILABS EFM8BB21F16 MCU operating at 48MHz for high-speed processing.
  • Dedicated driver chip enhances motor commutation efficiency and responsiveness.
  • OPTO-isolated design ensures a noise-free signal path to the flight controller.
  • Supports BLHeli_S firmware, enabling Oneshot125, Oneshot42, and Multishot protocols.
  • Active Braking (Damped Light Mode) improves prop response and flight stability.
  • Capable of 2-6S LiPo input voltage, accommodating a wide range of battery configurations.
  • Robust 4-layer PCB with 3 oz copper for enhanced current handling and heat dissipation.
  • Lightweight construction minimizes overall drone weight for improved power-to-weight ratio.

Applications

  • High-performance FPV racing drones requiring quick throttle response.
  • Freestyle FPV quadcopters needing robust power delivery.
  • Experimental drone builds utilizing 5S or 6S LiPo configurations.
  • Mini quadcopters running 5-inch or 6-inch propellers.

Technical Specifications

Continuous Current30A
Burst Current35A
Input Voltage2-6S LiPo (6-25.2V)
BECNo
MCUSILABS EFM8BB21F16 (48MHz)
FirmwareBLHeli_S
Supported ProtocolsOneshot125, Oneshot42, Multishot, Damped Light
PCB Board4 layers blind pole, 3 oz copper
Length35mm
Width17mm
Weight10g
Motor Wire Length70mm (20AWG)
Signal Wire Length120mm

Frequently Asked Questions

What is an OPTO ESC, and why is it used?

An OPTO ESC is optically isolated, lacking a built-in BEC. This design ensures a cleaner signal path to the flight controller by preventing electrical noise from the motor side. It requires an external 5V power source for the flight controller and other peripherals, optimizing noise reduction for stable FPV drone performance.

How do I flash BLHeli_S firmware or configure settings on this ESC?

BLHeli_S firmware updates and configuration are performed via BLHeliSuite32 or Betaflight Configurator, leveraging ESC passthrough. Connect your flight controller to your PC, then enable passthrough to access the ESCs. This enables seamless firmware flashing, motor direction changes, and setting crucial parameters for optimized drone performance.

What are the benefits of BLHeli_S firmware for FPV drones?

BLHeli_S firmware enhances FPV drone performance using hardware-generated motor PWM for ultra-smooth, precise throttle response. It supports high-speed protocols like Oneshot125 and Multishot, reducing control latency. Active Braking (Damped Light) improves prop response and flight stability, crucial for demanding FPV maneuvers.

What motors and battery configurations are recommended for this 30A ESC?

This 30A ESC is ideal for 2205-2208 brushless motors and 5-6 inch tri-blade props. Optimized for 4S-5S LiPo batteries, it delivers responsive power for high-performance FPV racing and freestyle drones. Ensure your setup's continuous current draw remains within the 30A limit for reliability.

Package Includes

  • 1 x Favorite LittleBee 30A-S OPTO Electronic Speed Controller

Additional Information

Dimensions 3.5 × 1.7 × 0.4 cm