64 input 32 output SCM procedures

矩阵键盘检测,用于初学单片机的人了解学习-Matrix keyboard detection for the beginner to learn to understand SCM

通过C语言控制数码管动态扫描显示，通过按钮可以控制数码管的大小，然后进行定时器中断进行倒计时。-Through the C language to control the digital control of dynamic scan showed that the adoption of digital control button can control the size, and then proceed to the countdown timer interrupt.

改程序实现了C8051F120混合信号片上系统32位乘法，提高了在C8051上实现乘法的精度，较少了计算误差-Reform process to achieve the C8051F120 mixed-signal system-on-chip 32-bit multiplication to improve the C8051 to achieve precision multiplication, the calculation error of less

Coupled Microstrip 耦合微带线

F_Dtecter 单片机频率计 精确度1％以上 -Singlechip F_Dtecter Cymometer more than 1 accuracy

MS-51高级应用程序库，一共5编，欢迎各位朋友下载，分享-Library

128-64点阵液晶模块的显示程序带反显平移等功能.rar,非常实用.-128-64 dot-matrix LCD display module procedures with significant anti-translation capabilities. Rar, very practical.

16×2 LCD模块显示例程，供需要的人参考-16 × 2LCD module routines for those who need it for reference

一款单片机开发板的资料，对于想设计开发板的人有知道作用，看看别人怎么做到的。-new microcontroller development board information for the design and development board would have to know the role and see how others do.

这是一个红外报警系统，该系统通过555调制红个发光管，发出38KHZ的红外信号，对面使用一个红外接收头接收信号用来检测是否有人通过，如果有，则声光报警，-This is an infrared alarm system, which modulator 555 through a red light-emitting tube, issued 38KHZ IR signal, opposite to the first use of an infrared receiver to receive signals to detect whether or not it was passed, if so, make a sound light alarm,