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Keil uvision4.0 环境下的MCS-51单片机入门学习例程！(Keil uvision4.0 environment MCS-51 microcontroller started learning routines!)

这是有关pwm的控制，可以控制它周期的长短来控制灯的亮度，还可以控制它自动调光。(This is the control of the pwm, the length of the cycle it can be controlled to control the brightness of the lights can also control the automatic dimming.)

点阵LED、数码管、独立LED和无源蜂鸣器的驱动模块(Dot matrix LED, digital control, independence and passive buzzer LED driver module)

xs128PWM调试例程工程源码学习资料(xs128PWM debugging routine engineering source learning materials)

基于MSP430G2553 TI超低功耗单片机，5110液晶显示程序(Based MSP430G2553 TI ultra-low power microcontroller, 5110 LCD procedures)

说明：  通过计算机25针并口读写SPI总线Flash存储器(25-pin through the computer parallel port read and write SPI bus Flash memory)

基于单片机的可燃气体报警器，反应灵敏，报警及时(Based on the single-chip microcomputer combustible gas alarm, sensitive, timely alarm.)

pic18单片机控制tm1629驱动数码管显示 电力无功补偿(Pic18 single chip microcomputer control tm1629 drive digital tube display Reactive power compensation)

stm32芯片--用GPIO口模拟I2C驱动MPU6050陀螺仪(Stm32 chip- using GPIO port simulation I2C driver MPU6050 gyroscope)

锁相环用于电机转速精准检测，资料很不错，值得下载(Phase-locked loop for accurate detection of motor speed)