T9 Text Input You can use this source code for input T9 Text Input(English)

1总线通信协议应用实例 (C51编写的源程序,keil)-a bus communication protocol application examples (C51 prepared by the source, c51)

基于凌阳单片机SPE061A的超声波测距程序，具有短距离测距，中距离测距和可调距离测距等三种功能，运用凌阳大学计划所提供的开发板，可以很容易实现障碍物距离的检测-Based on Sunplus SPE061A Singlechip Ultrasonic Ranging procedure, with short-distance ranging, ranging in distance from the rangefinder and adjustable three functions, the use of Sunplus University plans provided by a development board, can easily realize the obstacles Detection of objects distance

MSP430FG43x系列单片机示例源代码-MSP430FG43x Series Single-chip sample source code

320*240LCD液晶显示器，C51编程，内有已调试好的软件-320* 240LCD LCD, C51 programming, which has had good software debugging

此程序能实现PIC16F877A与D12实现USB通讯，能正确被主机识别-This process can realize PIC16F877A with D12 realize USB communications, were able to correctly identify the host

锁定键盘的程序,程序中设定了密码正确标志,在编译软件中编译成功.-keyboard lock procedures, procedures set password correct signs, the compiler software compiler success.

ok very good os

cbiancheng xu,danpianjikongzhi-cbiancheng xu, danpianjikongzhi

基于51单片机的U盘型MP3设计（含C语言程序，原理图）-51 MCU-based U-disk-based MP3 design (including C language program, schematic diagram)

红外遥控学习开关，用单片机控制 红外器件，可编程控制-Infrared remote control switch study, using single-chip microcomputer to control infrared devices, programmable control