Specifications: Processor: STM32F103RC at 72Mhz Motor driver: DRV8313 with short circuit, overheat protection On-board gyro and acceleration sensor MPU6050 IR LED Interface Futaba S-BUS Spektrum satellite port 7CH PWM/Sum-PPM input/output Each axis could connect analog joystick With I2C port, could use external 6050 to replace on-board sensor