Form1100

串口通信传输与接收。既：发送一个字节到MCU,再由MCU发回来。(Serial communication transmission and reception. Bothto send a byte to the MCU, and then sent back by the MCU.)

两个51单片机实现通信，一片单片机传送光照温度信息给另一单片机，然后显示(将中文译成英语 Two 51 MCU communication, a single chip temperature information transmitted light to another microcontroller, and then display 朗读显示对应的拉丁字符的拼音)

RF Catalog of limiters for RF engineers

三星S3C44B0X的I2C总线功能模块测试，该程序实现了的各种读写操作，硬件调试通过(Samsung S3C44B0X the I2C bus function module test, the program has a variety of read and write operations, hardware debugging through)

、支持mp3, wma, wav, mid SF0播放 2、支持三种播放模式：单曲重复，全曲重复，乱序播放 3、支持任意文件夹文件的播放（注：总文件夹数不大于136个） 4、支持完整歌词显示（GBK超大字库，支持简繁体，推荐歌词形式为多个时间tag复用歌词的形式） 如 [00：12][00：35][00：56]歌词1 对时间tag没有要求，总之就是完全符合规范。 5、6个按键，next,prev,V+,V-,(PLSY/PAUSE),mode/BL 6、支持2G以内sd卡 (, Support mp3, wma, wav, mid SF0 player 2, in support of the three player modes: single, repeat, all song repeat, out-of-order player 3, support for arbitrary file player folder (Note: the total number of folders is not more than 136 ) 4, to support the integrity of the lyrics display (GBK large font, to support simplified and traditional, the form of a number of recommended time lyrics tag reuse the form of the lyrics) in the case [00:12] [00:35] [00:56] lyrics 1 tag does not require time, a word that is in full compliance with the norms. 5,6 a button, next, prev, V+, V-, (PLSY/PAUSE), mode/BL 6, within the sd card support 2G)

通过上翻键和下翻键来设置方波信号正负脉冲宽度，利用一排流水灯来显示按键的次数，通过观察流水灯亮的盏数确定占空比（按一次上翻键亮一盏灯，流水灯全亮时占空比调到了最高或者是最低状态，按一次下翻键灭一盏灯，流水灯全灭时占空比调到了最低或者是最高状态）。(Duty cycle of LED lights and adjustable oscilloscope display code)

Si4730收音机基于STM32F103，通过按键和LCD7565屏自动搜台和手动搜台(The Si4730 radio is based on STM32F103. It searches the platform automatically and manually by keys and LCD7565 screen.)

关于一个滑块显示的程序，可以通过滑块调整实现各种功能(About a slider and its function)

C# code for minipad impelentation.

PSoC（Programmable System-On-Chip，片上可编程系统）实验指导，内含5个实验，适合新手学习熟悉功能，希望给大家带来帮助(An instruction of PSoC, 5 samples included,suitable for beginners.May it be hopeful!)