1、I / O interface supports OSD, SMARTPORT, SBUS, GPS, LED, battery testing, sonar and 8 motors simultaneously 2、STM 32f3 CPU can calculate flight data well 3、2 * 8pin jst-sh sockets (PPM, PWM, SERIAL RX, GPIO, ADC, 3V, 5V, GND) 4、Supporting oneshot125 ESC for good PID debug and reaction 5、Supporting SBus, SumH, SumD, Spektrum 1024/2048, XBus, PPM or PWM receiver Features: I / O interface supports OSD, SMARTPORT, SBUS, GPS, LED, battery testing, sonar and 8 motors simultaneously. Optimizing the testing process. STM 32f3 CPU can calculate flight data well. 2 * 8pin jst-sh sockets (PPM, PWM, SERIAL RX, GPIO, ADC, 3V, 5V, GND). Supporting oneshot125 ESC for good PID debug and reaction. Supporting SBus, SumH, SumD, Spektrum 1024/2048, XBus, PPM or PWM receiver. Specialized LED output interface is convenient for night flight and racing or orientation. 12C interface can be connected to OLED screen, even without battery. Battery monitoring ports for voltage and current. Supporting sonar for maintain accurate low-altitude. Supporting buzzer for alarming or warning tone. Symmetrical design can simplify wiring. Can link line with 90° or straight pin, JST-SH connector or weldment. Back barometer provides good air isolation ability. Can configure with Windows, OSX, Linux or other adjusting-parameter software. Supporting triaxial, four-axle,  six-axle, eight-axle, etc. MPU6050 accelerometer and gyroscope. 4 * 4pin jst-sh sockets (I2C, SWD, 2xuart) 8 * 3 pin though-holes pin header for ESC / Servo connection. 2 * 4 pin though-holes pin header for 2 * serial ports 2 * 2 pin though-holes pin header for battery voltage and buzzer. Specifications: Color: As Pictures Size: 36 * 36mm / 1.4 * 1.4inch Weight: 20g Type: RC Accessory Package Includes: 1 x Flight Controller Board 1 x Staight 3*8 Pin Though-Holes Pin Header 1 x Curved 3*8 Pin Though-Holes Pin Header 2 x Staight 1*2 PinThough-Holes Pin Header 2 x Staight 1*4 Pin Though-Holes Pin Header 2 x 8P Cable 2 x 4P Cable