51必备

此源码是采用CS5460A＋W78E58的多功能交流数字仪表的代码，有功率表、电压表、电流表、功率因数表和相位角表功能。-this source is used CS5460A+ W78E58 exchange digital multifunction instrument code, a power meter, voltmeter, ammeter, power factor and phase angle Table Table functions.

SMG12864接口程序 调试已经通过 ，可以放心使用-SMG12864 debug interface program has passed, you can rest assured that the use of

P T 2 2 5 7 详 细 中 文 资 料-PT 2 2 5 7 detailed Chinese data

本文介绍了AT89C2051单片机的性能和特点，并在分析了超声波测距原理的基本系统框图。该设计系统经校正后，其测量精度可达0.1米-This paper introduces the AT89C2051 performance and features, and the analysis of the ultrasonic distance measurement principle diagram of the basic system. The design of the system calibration, measurement accuracy of 0.1 meters

用单片机的C语言实现的开机时间显示上次关机时间（存在看门狗里），还有显示当前时间。可供单片机程序开发人员参考。-MCU C language shows the uptime shutdown last time (there watchdog Lane), and show the current time. SCM procedures for the development of reference.

完整的I2C软件开发包,包括模拟的I2C和硬件I2C,并且每种都有汇编和C语言两种-complete software development kits, including simulation and hardware I2C I2C, and the compilation and each have two C language

利用51单片机实现sle4442的读写，可以使用-51 Singlechip sle4442 realize the use of reading and writing, you can use

51单片机串口通信汇编语言源代码，发送端和接收端的-51 Single-chip serial communication assembly language source code, the sending end and receiving end

用C语言读写CF卡程序 非常不错的东西-Used C language literacy CF card procedures very good things

51单片机C语言学习，C语言来编写单片机程序。-51 microcontroller C language and C language to prepare SCM procedures.