ucosII实时操作系统的2.84官方版本，可用于不同处理器的移植

Keil公司提供的C51例程(部分源码)，相当实用，适合初学者学习借鉴。-Keil" s C51 offers routines (some source code), very useful for beginners to learn from.

数字频率合成器DDS9851控制系统的单片机源代码，键盘输入频率，液晶显示，并实时输出所需频率，该系统可选择输出方波和正弦波。-Digital Frequency Synthesizer Singlechip DDS9851 control system source code, keyboard input frequency, liquid crystal display, and real-time output frequency required, the system can choose the output square wave and sine wave.

图形点阵型LCD控制芯片ST7565R驱动程序，点亮全屏，并显示相关图片信息，已通过测试-Graphic point of formation LCD controller chip ST7565R driver, lit full-screen, and display the relevant image information, has been tested

本设计以P89V51RD2FN单片机为电动小车的控制核心，采用MSA-LD2.0倾角传感器实时测量跷跷板的倾斜角，用ST198光电传感器检测黑色引导线监测小车运动。光电传感器和倾角传感器模块把实时测量信号馈送至单片机，利用专用细分芯片TA8435H驱动步进电机，以脉宽调制式斩波方式对步进电机步进角进行细分，控制和调节小车速度。采用增量式PID控制算法确保小车能够达到平衡；用RT128×64M液晶显示时间、角度等参数。经测试表明：小车各项性能指标达到设计要求，能够实现30秒内小车行驶到规定点，并保持跷跷板平衡；在跷跷板一端配重可调整的情况下，小车也能自动找到平衡点并保持跷跷板平衡。-The single-chip design for the electric car P89V51RD2FN control of the core, the MSA-LD2.0 seesaw angle sensor real-time measurement of the tilt angle, the detection of black ST198 photoelectric sensor to monitor vehicle movement and guide lines.Photoelectric sensors and angle sensors in real-time measurement module to feed the signal to the microcontroller, using a dedicated sub-chip stepper motor driver TA8435H to PWM chopper-type stepper motor on the sub-stepping angle, control and regulation vehicle speed. The use of incremental PID control algorithm to ensure that the car can achieve balance with LCD RT128 × 64M time, angle and other parameters.After the test showed that: the performance car

本程序是AVR系列单片机的外部中断程序,中断实验,LED数码管显示中断数据,按键按下计数,数码管显示计数结果-This procedure is the AVR MCU external interrupt procedures, interruption of the experiment, LED digital tube display interruption data, press the count button, digital display count results

这是本人用单片机制作电池容量计的程序，共大家参考参考-MCU production capacity of battery, with a total of your information.

利用c8051f020单片机进行串口通讯的软件程序，此型单片机将会成为8位机主流-by Using C8051f020 MCU for serial communication software program, this type of SCM will become mainstream eight-

使用ADC模块的通道0、1进行电压的测量，然后将转换结果从串口输出。-0,1-channel ADC module used for voltage measurement, and then convert the results from the serial port

自制的数字电压表，用的的是AD0809这个芯片，希望能有用对大家。-Self-made digital voltage meter, is used in the AD0809 chip, hoping to be useful for everyone.

用51单片机实现简单的音乐播放生日快乐歌。-51 MCU with a simple music player, a happy birthday song.