valentinep20gift

STM32F4 Discovery 播放优盘中的音频文件代码，包括WAV，MP3和FLAC的解码(C Code of playing audio file in U-disk for STM32F4 Discovery, including the decoding code for WAV,MP3 and FLAC)

小车测速显示 已经测速通过 基于stm51单片机(Car speed display has speed microcontroller-based stm51)

JLX12832G驱动程序，单片机用STC12C5A60S2，液晶控制器ST7567，液晶点阵12832，带中文字库(jlx12832 LCD C51 driver, with stc12c5a60s2 microcontroller, lcd controller is st7567, with chinese fonts build in.)

avr单片机的pdf和一本入门书籍，大家可先看上个三四天，再动手前有个基础。(pdf avr microcontroller and a Getting Started book, you can look at the last three or four days, before you start a foundation before.)

DHT11的C51驱动程序，4位数码管可以显示温度和湿度，带一触发按键(DHT11 C51 driver, four digital tube can display temperature and humidity, with a trigger button)

用8253芯片和单片机产生方波，很好的理解并学习8253芯片的功能。(8253 chip and microcontroller to generate a square wave, a good understanding and learning the function of the 8253 chip.)

该段代码是为了实现旋转高斯热源的添加，这段代码用于激光焊接深熔焊小孔的数值模拟的温度场时很精确。(Modelling of keyhole dynamics and porosity formation considering the adaptive keyhole shape and three-phase coupling during deep-penetration laser welding)

Wireless Channel Simulator Testbed for Airborne Receivers

说明：  mpu6050读取数据，利用卡尔曼滤波，使数据更加准确(Mpu6050 reading data)

基于传统PID的直流电机双环控制系统仿真，已验证通过(DC motor based on the traditional PID loop control system simulation, has been verified through)