25A Brushless ESC BLHeli_S Firmware Speed controller for Multicopters Drones MT25A-OPTO-BK1/BK2

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BLHeli_S firmware is the next generation code, following the base BLHeli code.  BLHeli_S is designed for superior performance in multirotors, and uses hardware generated motor pwm for smooth throttle response and silent operation. All codes use damped light mode.

Main features:

  1. Hardware PWM – smoother and more responsive motor response;
  2. Always use damped light (Regenerative Breaking) for better multicopter control;
  3. Code supports sync loss prevention – tuneable parameters to make your ESC work well in the most demanding applications (not just FPV racing);
  4. High resolution throttle steps;
  5. Supports Oneshot125 (125-250us), Oneshot42 (41.7-83.3us), Multishot (5-25us) protocols;
  6. Automatically detects input signal protocol on ESC power up;
  7. Beacon Function – your ESC will start beeping after a set time of zero throttle to help you find your quadcopter.

Specifications:

Model NO.:  MT25A-OPTO-BK1 with BB1 MCU

Firmware.........................................   BLHeli_S firmware

Cont.Current ...................................  20A

Burst Current ................................... 25 A

BEC..................................................  None

Lipo...................................................  2-4 cells 

Net Weight ........................................ 8g

Size....................................................  27*12mm

Model NO.:  MT25A-OPTO-BK2 with BB2 MCU

Firmware.........................................   BLHeli_S firmware

Cont.Current ...................................  20A

Burst Current ................................... 25 A

BEC..................................................  None

Lipo...................................................  2-6cells

Net Weight ........................................ 13g

Size....................................................  33*20mm


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