一个基本的平安钟控制程序，帮别人写的，学习的人可以看看，不错的。...

用中断实现的一个四*四的键盘程序。在Keil C下开发的。程序通过。-Interrupted by the realization of a four* Four keyboard procedures. In the Keil C developed. Procedure.

基于单片机的推挽型逆变器控制系统设计及其程序设计 SA838初始化及控制子程序 ADC0809的控制及数据处理子程序 数据处理及电压显示子程序-MCU-based push-pull type inverter control system design and programming SA838 Subroutine to initialize and control the ADC0809 data processing control and data-processing subroutine and voltage display subroutine

涉及51单片机上LED灯，按键，等相关应用的编程-Involving 51 Single Chip LED lights, buttons, and other related application programming

双音频解码器MT8870的驱动，用串口接收数据，可从串口调试器查看接收的数据-dual audio decoder di drives with Serial receive data from the serial debugger view of the data received

模拟pwm实现灯的亮度，通过调节其输入脉冲的占空比来实现灯闪烁不是很明显又能看到亮度变化的功能-Analog pwm realize the brightness of lights, by adjusting the input pulse duty cycle to achieve blinking lights is not very obvious to see the brightness can change the function of

用单片机的I/O口象检测按键那样对其进行查询计数，在旋转速度较慢时，可以对其计数-With MCU I/O port as the detection of keys as its query count, slow rotating, you can count on their

900MHZ高频头的控制参考程序和参考线路图.-high-frequency 900 MHz band first reference to the control procedures and reference the road map.

arm的各种源码 包含（16c54四位LED时钟显示程序，16C84的RB口中断程序，16C84做的智能卡程序，电机速度控制，ICD仿真器的源程序，PIC单片机循环程序应用实例，led的动态显示，CAN 的调试程序，DTMF cm8770 双音频解码程序，USART 通过232通讯例程-arm contains the source code (16c54 four LED clock display program, 16C84 RB I interrupt procedures, 16C84 do smart card procedures, motor speed control, the ICD simulator source, PIC cycle application procedures, led the dynamic display, and debug procedures CAN , DTMF cm8770 dual audio decoding procedures, USARTs through the 232 communications routines

240128的液晶显示调试程序，供c51开发使用-240,128 LCD debugger, for the development of the use of c51