该程序为51单片机做的频率计,可计频率可达999 HZ.

在51单片机上用7279芯片驱动键盘和数码管-51 SCM in 7279 with a chip-driven keyboard and digital tube

利用AT89C51单片机做的一个音乐卡,可以播放多首歌曲-AT89C51 single-chip microcomputer use to do a music card, can play more songs

用汇编写的PIC单片机交通灯程序！配有PROTEUS电路图！-PIC with the compilation of written procedures for single-chip traffic lights! PROTEUS circuit with!

8051的一些算法，浮点转换程序库，可以直接应用-algorithm, floating-point conversion, you can direct applications

c51单片机与ＰＣ间的串口 通信驱动程序-C51 MCU and PC serial communication between the driver

这篇程序是我一个同学编的,并且已经应用到了二相步进电机(四线步进电机)上了.但是我认为此程序需要改进的地方有很多. -This procedure is a fellow student, I made and have been applied to a two-phase stepper motor (four-wire stepper motor) on. But I think this process needs to be improved where there are many.

环境测试仪的设计。该计环境测量系统能够充分发挥人性化的特质，利用SPCE061A的语音功能，配合传感器模组，实现带语音播报功能的环境测试。-Environment tester design. The measurement system of the environment can give full play to human characteristics, the use of SPCE061A voice functions, with the sensor module, realize voice broadcast function with environmental testing.

c8051f系列单片机pwm控制必备源程序，无密码，解压缩即可-c8051f Series MCU PWM control essential source, no password, can decompress

自己写的用AVR 单片机产生正弦波.用示波器观察波形很好！-Write your own single-chip generated sine wave with AVR. Oscilloscope to observe waveforms with very good!

一个北京青云科技液晶显示器资料，送给学习液晶的同志们。-Beijing Qingyun a liquid crystal display science and technology information to the study of liquid crystal comrades.