这是一个ZLG7289的读键盘程序，源码调试通过，绝对好用

MSP430单片机 + DS1302时钟+1602液晶 组合程序，运行环境为IAR-EW 3.42-MSP430 microcontroller+ DS1302 LCD Clock+1602 portfolio program operating environment for the IAR-EW 3.42

频率计是用单片机89C51和几块数字电路几个三极管-Frequency meter is used and a few 89C51 single-chip digital circuit several triode

keil C51 L―Test事例-L-Test case

单片机与上位机的通讯程序，希望能帮助到有需要的朋友。-MCU and host computer of the communication process, hoping to help a friend in need.

这是一个红外报警系统，该系统通过555调制红个发光管，发出38KHZ的红外信号，对面使用一个红外接收头接收信号用来检测是否有人通过，如果有，则声光报警，-This is an infrared alarm system, which modulator 555 through a red light-emitting tube, issued 38KHZ IR signal, opposite to the first use of an infrared receiver to receive signals to detect whether or not it was passed, if so, make a sound light alarm,

LCD 显示变量的功能 字符很简单 显示变量要一位一位的-LCD display features variable characters is very simple to show that a one variable

本程序实现了对MOTOROLA08AS20单片机EEPROM的访问，可自动配置波特率，实现了对EEPROM的读、写和擦除操作。-This procedure MOTOROLA08AS20 realize single-chip EEPROM of the visit, can automatically configure the baud rate, to realize the EEPROM read, write and erase operations.

Microchip Technology Inc. 的HCS300 是一款跳码编码 器，它是专为安防遥控无钥门禁（RKE）系统而设计 的。 HCS300使用KEELOQ跳码技术，并具有安全性高、 封装尺寸小和成本低等特性。 HCS300 是单向遥控无钥 门禁系统和访问控制系统最完美的解决方案。-The HCS300 from Microchip Technology Inc. is a code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. The HCS300 utilizes the KEELOQ code hopping technology, incorporating high security, a small package outline and low cost. The HCS300 is a perfect solution for unidirectional remote keyless entry systems and access control systems.via any external connection. The EEPROM data is pro-grammable but read-protected. 2006 Microchip Technology Inc.

讲述了单片机要求的对齐原理 对结构体的理解非常重要-Tells the MCU requirements of the body alignment principles of the structure is very important to

GPS开发 NEA1803 51单片机与12864 由串口中断收取数据 显示经度纬度 高度 速度 时间 使用卫星数-GPS development NEA1803 51 SCM and 12864 collected by the serial interrupt data show a high degree of longitude latitude speed time-use satellite