LastOwnerException

描述海水中声传播衰减与声波频率，海水盐度、温度的关系。(Description seawater sound propagation attenuation and acoustic frequency, salinity, temperature relationship.)

说明：  超声波测距，通过声波测出距离，并打印到串口上(Ultrasonic ranging)

320240触摸绘图程序，查询方式和中断方式两种测试例程(320240 touch drawing program, query way and interrupt way two test routines)

说明：  这段程序是用在一款七彩灯红外遥控解码程序里,单片机使用PIC12F629,软件模拟三路PWM输出驱动红绿蓝LED分八组共24个LED,实现单LED渐明渐暗,两LED一明一暗,七彩等九种花样.有断电记忆功能(This procedure is used in a colorful light infrared remote control decoding procedure, the single-chip using the PIC12F629, the software simulation of three-way PWM RGB LED output driver in eight groups of 24 LED, single LED gradually dimming out, two LED Kazuaki a dark, colorful patterns, such as nine. have power memory function)

心率监测；AT89C51单片机；光电传感器(Heart rate monitoring; AT89C51 single chip microcomputer; photoelectric sensor)

汽车GPS 跟踪系统,并超速防盗报警,8051代码(Car GPS tracking system, and speeding burglar alarm, code 8051)

avr 寻迹小车 代码，供参考，做毕业设计也可以。(avr car tracing code, for reference)

For Practice in Electrical Digital Laboratory

Programm that could hide picture into picture by using methods of steganography

usb-sd卡-tf卡-U盘等方案开发手册，从网上收集的，包括原理图和程序(usb-sd card-tf the Card-U disk program development manual, collected from the Internet, including schematics and procedures)