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说明：  强噪声背景下弱信号检测，采用平衡式取样积分电路。包含电路原理，基于IAR的msp430f149的DDS脉冲程序和峰值检波程序，检波方法：sqrt(Acos^2+Asin^2)(Strong noise weak signal detection, the use of balanced sampling integrator circuit. Contains circuit theory, based on the IAR msp430f149 of the DDS program pulse program and peak detector)

无线蓝牙手机遥控小车源程序,将程序下载到单片机，在手机中安装上位机软件，打开手机蓝牙与小车蓝牙模块连接。(remote control of Bluetooth wireless )

基于合泰单片机HT66F70A的一个实时时钟程序，利用定时器1，利用外部低速振荡器作为时钟源。(Based on a Thai microcontroller HT66F70A of a real-time clock program, using a timer 1, the use of external low speed oscillator as a clock source.)

说明：  带中断输出功能的时钟芯片例程序,可移值，编译！(With interruption of the clock chip output function Example procedures, can shift the value, the compiler!)

Keil uVision3例证代码NOMOD51 This file is part of the C51 Compiler package Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc. Version 8.01(Keil uVision3 example code NOMOD51This file is part of the C51 Compiler package Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc. Version 8.01)

MSP430g2553使用ds18b20进行多点测温的c代码，此为ccs5.1的编写工程文件(MSP430g2553 use ds18b20 c code for multi-point temperature measurement, this ccs5.1 the preparation of engineering documents)

proteus仿真控制8086微处理器16x16点阵led移动显示“欢迎光临”(proteus simulation control microprocessor 8086 16x16 dot matrix led movement display " Welcome" )

测量频率的低电平保持时间，用来测量汽车喷油嘴喷油的时间，单位ms(The low level holding time of measuring frequency is used to measure the injection time of automobile nozzle, unit Ms.)

在STM32F407上实现HC05蓝牙串口模块(Implementation of HC05 Bluetooth serial module on STM32F407)

恒温控制单片机系统C程序,对系统的温度进行采集,然后进行PID运算后控制输出,保持恒温状态(thermostat control procedures SCM System C, the temperature of the system for the collection, then PID algorithms to control the output to maintain constant temperature condition)