TQFP-44-LQFP-44-package-library

这是一个虚拟串口和红外口的例子的源代码。(This is a virtual serial port and infrared mouth of the source code examples.)

基于STM32F103的智能充电器，PID调节恒压恒流输出，具有温度补偿，过欠压，过欠流保护功能，可直接用于开发。注释比较详细。(STM32F103-based smart charger, PID regulation constant voltage constant current output, with temperature compensation, over-voltage, over-current protection owed can be directly used for development. More detailed notes.)

此SD卡SPI通讯方式的驱动是在keil uVision4下开发的。适用于所有的SD卡。(this SD card driver with SPI communication is developed under keil uVision4 development. Applies to all the SD card.)

说明：  １２８６４并行的程序，Ｃ编译环境，希望对大家有用(12864 parallel process, C compiler environment, we hope to be useful)

Abis接口IP化方案及应用 Abis接口IP化方案及应用(Abis interface to IP-based solutions and application of Abis interface to IP-based solutions and application of)

MCU外加简单的电路即可完成对耳机充电功能。 多重保护 充/放电电池端的过压、过流保护，放电转换效率高(The MCU has a simple circuit to recharge the earphones. Multiple protection Overvoltage and overcurrent protection at charge / discharge battery end, high discharge conversion efficiency)

基于020的简易信号分析仪，能够实现40khz以下的方波、三角波、正弦波频率、幅值检测及频谱分析。(Signal-Analysis system based on 020. Measuring magnitude, frequency of square,triangle,and sin signal under 40khz,including frequency spectrum analysis. )

STM32控制DDS输出正弦波等波形，频率幅值可调。(STM32 control DDS output sine wave waveform, adjustable frequency amplitude.)

使用超声波模块测距，测距范围 10cm--1..2m(Using ultrasonic module to measure distance, ranging range is 10cm-1.2m.)

视觉机器人，用凌阳单片机编写的语音控制视觉运动机器人(Vision robot with voice control Sunplus written in visual-motor robot)