TwoLineListItemStubActivity

说明：  STM32通过模拟IIC读PCF8574(STM32 reading pcf8574 through analog IIC)

积分器的一种实现方法：每级积分器都是一个反馈系数为1的单极点IIR滤波器, 其传递函数为:(An implementation of an integrator: each stage integrator is a single pole IIR filter with a feedback factor of 1:)

利用Arduino实现读取MPU6050的DMP四元数(Arduino MCU reads MPU6050 use a DMP quaternion)

光电编码器，是一种通过光电转换将输出轴上的机械几何位移量转换成脉冲或数字量的传感器。 这是目前应用最多的传感器，光电编码器是由光栅盘和光电检测装置组成。光栅盘是在一定直径的圆板上等分地开通若干个长方形孔。由于光电码盘与电动机同轴，电动机旋转时，光栅盘与电动机同速旋转，经发光二极管等电子元件组成的检测装置检测输出若干脉冲信号(Photoelectric encoder, a photoelectric conversion to the output shaft of the mechanical geometry of displacement into a pulse or digital sensors. This is currently the most widely used sensors, optical encoder is determined by the grating disk and photoelectric detection device component. Grating disc is a circular plate in such a diameter of several rectangular holes partially opened. Because coaxial photoelectric encoder and the motor, the motor rotates, the grating disk rotates with the same speed motor, the light-emitting diodes and other electronic components of the detection device detects certain pulse signal output)

stm32 串口1为蓝牙 串口2、3、4、5读取4个JY901九轴陀螺仪模块(STM32 serial 1 for Bluetooth serial 2, 3, 4, 5 read 4 JY901 nine axis gyroscope module)

无线通信的绕射损耗、反射损耗以及基站天线设计、不规则地形影响的课程教案(WIRELESS DECAY FOR reflect and base antan design )

说明：  STM32F4 USB功能程序初始化代码。(STM32F4 USB function program initialize code.)

stm32舵机控制程序，完整工程源码。pwm波输出(stm32 steering gear control procedures, complete source project)

AT90S2313 Push Switch Led Blinking

RTD2660的全部电路图，可以正确使用。(RTD2660 all circuit diagram, can be used correctly.)