一个基于STC89C52的单片机程序，可以通过按键来不停发送100ms（时间可调）的脉冲，通过定时器控制...

很不错的频率计的设计，希望大家多多指教-Cymometer very good design, I hope everyone exhibitions

工 程 名:DG128串行查询(SCIpooling) 硬件连接:MCU的串行口与PC机的串行口相连 。 程序描述:利用查询方式把收到的数据发送回去。波特率为9600,使用SCI0口-Project name: DG128 serial query (SCIpooling) hardware connection: MCU

很好的东西 -good things good things

一种基于DSP技术的配电网实时监测与故障诊断装置-a DSP-based technology distribution network-monitoring and fault diagnosis device

Source code for micro printer driver

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.

单片机扫描状态机的程序实现，希望能帮助到有需要的朋友。-Single-chip state machine to scan the program, hoping to help a friend in need.

单片机定时器计算软件,能够很方便的计算出定时器的各个参数-Single-chip timer calculation software can be very convenient to calculate the various parameters of the timer

一个简单国外蜘蛛爬虫程序。共享给大家使用，多提宝贵意见。-A simple procedure of foreign spiders reptiles. Shared use of U.S., with more valuable advice.

两线制电流 温湿度变送器原理图，MSP1221的PWM和XTR115-Two-wire current temperature and humidity transmitter schematic, MSP1221 the PWM and XTR115