This is an electronic bell SCM procedures, in the hope that everyone has to help

ZLG7289键盘显示接口芯片是一个很常用的接口芯片，至需4个IO口接可以控制显示8位的数码管显示和64个矩阵键盘的自动扫描，效果很好。-ZLG7289 keyboard display interface chip is a very common interface chip, to take four IO access can be controlled mouth shows 8 digital tube display and keyboard matrix 64 automatically scans, very good.

CH375的库。用于usb通信以及u盘读写的一块好芯片。-Library CH375. Communications, as well as for the usb disk to read and write u a good chip.

在51等单片机中使用PC键盘的源码-in 51 other microprocessor using a PC keyboard FOSS

DS1302读写一体化C51源程序-DS1302 source code reader integration C51

51单片机扩展usb方安 51单片机扩展usb方安-51 Single-chip Single-chip expansion usb Mrs 51 Mrs usb expansion

红外的发射和接收 单片机红外发射（原理与设计程序）-SCM infrared emission (theory and design program)

用RVMDK生成bin格式的可执行文件．-Bin format RVMDK generated by the executable file.

单片机源程序三位依次显示动态扫描的例子，可以通用-SCM source 3 shows were dynamic scanning example, generic

智能车程序的数据配置文件，一切硬件配置和变量，重要-Smart cars process data configuration file, all the hardware configuration and variables, it is important

我自己做的单片机键盘扫描、数码管显示程序-Microcontroller to do my own keyboard scanning, digital tube display program