SKU: DRFC-0219
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LittleBee 30A-S OPTO ESC 30A 2-6S BLHeli_S

₹809.00 (Inclusive of all taxes)
Out of Stock

The LittleBee 30A-S OPTO Electronic Speed Controller is a robust BLHeli_S ESC designed for 2-6S LiPo setups, offering 30A continuous current and rapid throttle response for demanding FPV and multirotor applications.

Features

  • OPTO design ensures direct signal integrity without an integrated BEC.
  • Delivers 30A continuous (35A burst) current for high-performance builds.
  • Features a SILABS EFM8BB21F16 MCU running at 48MHz for precise motor control.
  • BLHeli_S firmware supports Oneshot125, Oneshot42, and Multishot protocols.
  • Compatible with wide 2-6S LiPo input voltage ranges.

Out of stock

Description

The LittleBee 30A-S OPTO Electronic Speed Controller provides a powerful and reliable solution for high-performance FPV drones and multirotors. Utilizing a Silabs EFM8BB21F16 processor clocked at 48MHz and fast dedicated driver chips, this ESC ensures extremely smooth and responsive throttle control essential for competitive flight.

Pre-flashed with BLHeli_S firmware, the 30A-S supports Oneshot125, Oneshot42, and Multishot communication protocols, offering low-latency command execution from your flight controller. Its design emphasizes high thrust output and reliability, making it suitable for demanding setups running 5S batteries or 6-inch tri-blade propellers. The OPTO configuration means it operates without an integrated BEC, allowing for cleaner power separation and reducing potential noise in sensitive systems. Compatibility extends to popular flight controllers like Naze, SPF3, and Revo F4, supporting one-wire pass-through for convenient firmware flashing via Cleanflight.

Key Features

  • BEC: No BEC (OPTO design for electrical isolation).
  • Lightweight design for minimal impact on drone AUW.
  • MCU: SILABS EFM8BB21F16, running at 48MHz for high processing speed.
  • Dedicated driver chip enhances motor control precision and efficiency.
  • Battery Compatibility: 6-25.2V (2-6S Lipo) for broad application.
  • PCB board: 4 layers blind pole board, 3 oz copper for improved current handling and heat dissipation.
  • Motor Wire: 70mm (20AWG) for flexible installation.
  • Signal Wire: 120mm for easy flight controller connection.
  • Firmware: BLHeli_S, supporting Oneshot, Oneshot42, Multishot, and Active Braking (damped light mode).

Applications

  • FPV freestyle & racing drones requiring high thrust.
  • High-performance multirotors utilizing 5S/6S LiPo batteries.
  • Experimental drone systems demanding robust current delivery.

Technical Specifications

Item TypeBrushless ESC
Input Supply Support2 - 6S LiPo
Continuous Current (A)30
Burst Current (A)35
BootloaderBLHeli S
Length35 mm
Width17 mm
Weight10 g

Frequently Asked Questions

What does "OPTO" signify in the LittleBee 30A-S ESC?

OPTO indicates that the ESC does not include a built-in BEC (Battery Eliminator Circuit). It relies on a separate power source from the flight controller or an external BEC to power low-voltage components, offering electrical isolation between the high-power motor circuit and the control circuit for reduced noise and improved reliability in demanding FPV setups.

What firmware does the LittleBee 30A-S ESC use and what protocols does it support?

This LittleBee 30A-S ESC comes flashed with BLHeli_S firmware, known for its smooth throttle response and hardware-generated motor PWM. It fully supports modern digital protocols such as Oneshot125, Oneshot42, and Multishot, enabling rapid communication with compatible flight controllers for precise and low-latency motor control crucial in FPV racing and freestyle.

What are the recommended motor and battery configurations for this 30A-S ESC?

For optimal performance, this 30A-S ESC is ideally suited for 2205-2208 size brushless motors, commonly paired with 5-inch or 6-inch tri-blade propellers. It is designed to operate efficiently with 4S or 5S LiPo batteries, providing ample power and reliability for high-performance FPV drone builds and experimental systems requiring significant current delivery.

Package Includes

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

Additional Information

Dimensions 3.5 × 1.7 cm