adc--232

本人收藏的一个按键发音的程序， 很不错的源码,值得下载(My collection procedures pronunciation of a button, it is a good source, it is worth downloading)

这是一个气体传感器的元件封装库，型号为mq-135，使用dxp开发。(This is a gas sensor element package repository, model mq-135, using dxp development.)

双两程电压表，用TLC1543做的，精准测电压(Double two-way voltmeter)

avr单片机通过RS485在线程序升级，编译环境IAR,上位机程序使用VC6.0编写。(AVR microcontroller through the RS485 online upgrade program, the compiler environment IAR, the host computer program written in VC6.0.)

direct sparse solver for linear equations

教室智能照明系统，通过红外判断人流，从而开启教室中的照明灯。(Classroom intelligent lighting system, to determine flow through the infrared to open the classroom lights.)

说明：  一个PS2键盘单片机, 使用Philips的接口+8051,写的不错,非常值得学习.(a PS2 keyboard microcontroller, the use of the interface, Philips 8051, was a good, very worth learning.)

温度传感器，基于51的温度传感器！献给予51的爱好者们！(Temperature sensor, temperature sensor based on 51! Offered to give 51 fans!)

基于单片机STC89C51和74LS164的多功能数字万用表(Based on microcontroller STC89C51 and 74 ls164 multi-function digital multimeter)

一个鼠标基于C8051f340为核心的USB鼠标程序，在开发板上已调可用。用Keil打开。(A mouse-based core C8051f340 USB mouse program has been transferred is available on the development board. Opened with Keil.)