用LCD1602来显示日期和时间，源码程序

超声波测距，C语言，AT89S52,keil3通过-Ultrasonic Ranging

PIC18F4550_USB开发原代码，可以给需要用单片机开发USB通信使用参考-PIC18F4550_USB development of the original code, can require the development of USB communication using single-chip reference

单片机入门，C51例程、数码管+流水灯、源程序 -Singlechip entry, C51 routines, digital tube+ Water lamp, source

该文件是采用通用IO口模拟I2C存储器通讯的,24LC256是低电压I2CEEPROM.-this document is to adopt a common IO memory simulation I2C communications, 24LC256 is low voltage I2CEEPROM.

抽水机程序，采用HT46R47 可自动检测水压，流水，水满等情况来判断电机是否运行；-Pump procedures HT46R47 automatically detects the water pressure, water, water filled motor, etc. to determine whether the operation

MSP430的P2口接4*4键盘，通过中断方式实现串口通讯，通过PC端运行串口调试软件显示键号-MSP430 P2 I received 4* 4 keyboard, interrupted achieved through serial communications, PC terminal operations through serial debugging software, and display key,

DTMF双向收／发集成电路MT8880专门为双音频信号的收、发而设计，它既能产生发送双音频信号，又能对双音频信号进行接收译码，还能判断各种信号音(拨号音、回铃音、忙音)。以上就是它的应用电路和程序-Two-way DTMF collection/fat MT8880 IC specifically for the dual audio signals received, the design, it could have sent dual audio signal, while the dual audio signal decoding receiver, but also to judge the sound signal (dial tone , ring back tone, busy tone). Above is its application circuit and procedures

IIC 单片机io口模拟程序字节-IIC SCM io mouth simulation program byte

串行大容量存储器的c51 读写源程序特点：占用io口线少，缺点：读写时间比并行时间长-Serial large memory read and write the source decoder features : io occupied mouth lines, shortcomings : reading and writing than parallel long time

新的集成CAN总线控制器的atmel公司的单片机T89C51CC01datasheet-new integrated CAN Bus Controller ATMEL Corporation of SCM T89C51CC01datasheet