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由4X4组成16个按钮矩阵，设计成16个音。 可随意弹奏想要表达的音乐。 -By the 4X4 matrix composed of 16 buttons, designed to tone 16. Free to play the music you want to express.

DS1302读写一体化C51源程序 以下引脚定义部分根据实际接线情况作适当调整 sbit TIMECLK = P1^0 sbit TIMERST = P1^1 //禁止DS1302 sbit TIMEIO = P1^2 //释放数据总线-C51 source integration DS1302 to read and write the following definition of part-pin wiring in accordance with the actual situations properly adjust sbit TIMECLK = P1 ^ 0 sbit TIMERST = P1 ^ 1// prohibited DS1302sbit TIMEIO = P1 ^ 2// release data bus

单片机控制继电器的自动化调试系统，很详细的描述。-MCU Control Relay automated debugging systems, it is described in detail.

rtx51操作系统说明-rtx51 OS

完全实用化的020 SMBUS程序（与时钟PCF8563通信-Entirely of 020 SMBUS utility program (with the clock PCF8563 communication

可用由移动通信的好程序，主要做栈队变换，由1343 和cps两种队的变换。-available from the mobile communications program is the main teams do stack transform, and by 1343 cps transform the two teams.

本书,为众多使用Microchip单片机工程师,提供我详细IC型号选择.-This book, for many the use of Microchip microcontrollers engineer, provided me with detailed IC model selection.

AVR和PC机并口以EPP方式通信的源代码，与大家共享-AVR and the PC parallel port to EPP mode machine communication source code, and share

这是用台湾KingB 8位单片机开发的科学计算器程序，有一定的参考价值-This is used in Taiwan KingB 8-bit single chip scientific calculator developed procedures have certain reference value

预付费电能表售电管理系统-数据库应Delphi-Prepaid energy meter electricity sales management system- the database should be Delphi