The item have two version:
-EFM8BB21F16G MCU, 50MHz operating frequency
-3 in 1 drivers, make the start more smooth, ESC maximum speed is limited to 500k eRPM.
-F3 flight controller support PPM, SBUS remote control
-Built-in 5V/1A BEC
-Two layers tower structure between 4in1 ESC and FC using quick pin connection. makes the installation faster
and more convenient.
-Exposed pads for Battery and Motor wires, fast welding without additional disassembly, motor replacement is
-BLHeli-S firmware designed for superior performance in multirotors, and uses hardware generated motorpwm
for smooth throttle response and silent operation.
-The code supports regular 1-2ms pulse width input, as well as Oneshot125, Oneshot42 and Multishot.
-The input signal is automatically detected by the ESC upon power up.
-Supports Dshot digital signal, anti-interference ability is stronger, and do not need throttle calibration.
-Smart and light weight, suitable for micro racing drone.
1* 12A BLHeli-S 2-3S ESC with F3 Flight Controller
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