4* 4 keypad scanner display, keypad scanner display

单片机常用芯片和器件手册，介绍了与MS－51相关的常用芯片和器件。-Single-chip microcomputer chips and devices commonly used manual introduction with MS-51-related chips and devices commonly used.

c8051f020 i2c 的简单应用-c8051f020 i2c simple application

单片机控制GSM模块-SCM control GSM Module

1.2v镍氢电池智能充电器，内含C源代码，原理图以及PCB文档，采用△V方法检测电压变化。-1.2V Ni-MH battery smart charger, includes C source code, schematic and PCB documents, the use of △ V voltage change method.

单片机应用源码,包括各种简单操作，同时还有大型应用，例如IC卡读写，多机通信等-SCM application source code, including all simple to operate, but also to large-scale applications, such as IC card reader. Multi-machine communication

java门禁系统源码,专业用于门禁系统开发-java source code access control system, professional development for Access Control System

单片机实现DDS 利用单片机和AD9851来产生高频率的正弦波 本程序为一个测试程序,只产生一个频率不便的正弦波-Realize single-chip AD9851 single-chip computer and DDS to generate high-frequency sine wave of this procedure as a test procedure, only the inconvenience of a sine wave frequency

TJA1051 是一款高速CAN 收发器，是CAN 控制器和物理总 线之间的接口，为CAN 控制器提供差动发送和接收功能-TJA1051_DS_CN.pdf

基于ＰＩＣ单片机的ＶＦ转换程序，可用于驱动３相电机-PIC MCU-based VF conversion process can be used to drive 3-phase motor

Keil C51使用详解,WORD格式,教你学习Keil C51-Keil C51 use Xiangjie, WORD format, to teach you to learn Keil C51