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The HAKRC F4126 BLHELI_S 35A WHOOP AIO FC is a high-performance all-in-one flight controller and electronic speed controller board designed specifically for ultralight and whoop-style drone builds. Combining reliable power handling with advanced processing and a rare built-in barometer, this board is engineered to elevate your lightweight multirotor setup.
Checkout all our Whoop Style Flight Controllers and the rest of our HAKRC products!


PCB adopts high-end 8-layer 2oZ thickened copper skin, providing stronger overcurrent capability and excellent heat dissipation
MOS adopts imported 30V high current resistance mos for long life and strong load capacity
Equipped with industrial-grade LDO for high temperature resistance
Utilizes high-quality Japanese Murata capacitors for strong filtering performance
Features an integrated barometer for enhanced altitude tracking capabilities
Item: HAKRC F4126 BLHELI_S 35A WHOOP AIO FC
CPU: STM32F411CEU6
IMU: ICM42688
OSD: AT7456E
Barometer: BMP280
Sensor: Built-in current sensor
Flight Control Firmware Version: HAKRCF411D
Input Voltage: 2S-4S Lipo
Continuous Current: 35A
Peak Current: 40A
ESC Firmware Support: BLHELI_S
ESC Protocol Support: PWM, Oneshot125, Oneshot42, Multishot, Dshot150, Dshot300, Dshot600
Dimensions: 32mm x 32mm
Mounting Hole: 25.5mm - 26.5mm
Net Weight: 7g
1 x HAKRC F4126 BLHELI_S 35A WHOOP AIO FC
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