对充电过程进行更精确的监控，以缩短充电时间、达到最大的电池容量，并防止电池损坏...

89C51单片机精确定时详解-89C51 Elaborates on precision timing

用keil c51写得温度传感器程序，可以显示小数点后一位，lcm1602显示-Keil c51 with temperature sensors written procedures, one can show after the decimal point, lcm1602 show

用ATmega16实现对74HC595的驱动，并用INT0实现一键休眠-With ATmega16 realize 74HC595 driver, and used to achieve a key sleep INT0

对利用595串行实现IO口扩展，本程序仅用3个IO口扩展到6个数码管-Realize the use of 595 serial IO port expansion, this procedure only 3 IO I extend to six digital tube

读卡器SIM卡SIMcard读写模块源代码-Reader SIM card SIMcard R/W Module source code

交通灯,可控制行人过马路的时间,有protues图和c语言程序-Traffic lights, pedestrian crossing the road to that time, protues map and c language program

使用CYAN单片机的ECOG1开发板连接SIM300C的GSM模块开发的短信收发程序.供UART和AT指令编程者参考-using CYAN,sim300c, to send and receive SMS.

一个很好用的密码锁程序，MCU用的是EM78P447，经试用非常可靠，提供给想学习EMC的用户使用，如有需要原理图的请发邮件到micheal23@sohu.com,注：需注明LOCK原理图-good with a password lock procedures, the MCU is EM78P447, tested very reliable, available to want to learn EMC users, if necessary schematic please send mail to micheal23@sohu.com, Note : LOCK be annotated diagram

protel99做的电力载波采集器硬件原理图,PCB图-Does the power line carrier protel99 hardware schematic capture, PCB map

以单片机为核心的语音存储与回放系统，介绍了系统的组成及软、硬件设计方法。该系统结构紧凑，具有灵活的录音、放音功能；语音音量自动控制功能-Single-chip microcomputer as the core of the voice storage and playback system, introduce a system and software and hardware design methods. The system is compact, flexible recording, playback function voice volume automatic control function