Experience the next generation of helicopter flight control with the Matek G474-HELI Flybarless Flight Controller. Utilizing advanced RotorFlight firmware, this controller delivers unmatched precision and responsiveness for a truly unparalleled flying experience. Perfect for pilots looking to push the boundaries of RC helicopter flight. Check out all our Flight Controllers and the rest of our Matek Products! 3D Print Shell / Case can be printed for protection. You can Download the STL file Here Specifications MCU: STM32G474CE, 170MHz Cortex-M4 , 512KB Flash IMU: ICM42688-P Baro: SPL06 Blackbox: 128MB Flash (1G-bit NAND) 3x UARTs (1, 2, 3) 1x I2C 8x PWM (4x Servos, 2x Motors, RPM, LED) 2x ADC (VBAT, Current) USB Type-C(USB2.0) Input voltage range: 5.4V~30V (2~6S LiPo) No current sensor integrated, support external 3.3V based current sensor. Battery Voltage divider 1K:10K (Scale 110) BEC 5V 2A for FC and peripherals BEC Vx 5A cont. 8A Peak for servos (5V, 7.2V option) 3.3V 300mA Firmware: Rotorflight / MATEKG474HELI Mounting: 20x20mm, Φ4mm with Grommets Φ3mm Dimensions: 38x26x13mm Weight: 15g (w/o pins) RotorFlight Wiki 3D Step File 3D Print Shell Package Includes: 1 x Matek G474-HELI Flybarless Flight Controller 1 x PicoBlade 1.25mm Servo Adapter (M2/S2 Servos) 1 x 20cm JST-GH-4P to JST-GH-4P Cable 1 x 20cm JST-GH-6P to JST-GH-6P Cable Dupont 2.54 Pins (board is shipped unsoldered)