AD1939

跑马灯又叫走马灯、串马灯。由毛竹编织成马头，马尾，属于灯笼的一种。是传统特色手工艺品，亦是传统节日玩具之一。在过去，跑马灯一般在春节等喜庆的日子里才表演，由二十来位11—14岁小孩组成，边跳边唱，根据节奏快慢形成不同阵势，有喜庆、丁财两旺、五谷丰登的寓意。跑马灯属系在身上糊上颜色鲜艳的纸，如今已由丝绸取代(Entertaining diversions also called regimes, string of lantern. Woven from bamboo horsehead, horsetail, belongs to a kind of lanterns. Is a traditional arts and crafts, and it is one of the traditional holiday toys. In the past, entertaining diversions generally festive days before performance, such as the Spring Festival is composed of twenty to 11-14 years old children, dance while singing, according to different rhythm form appearance, have a festival, Ding Cai flourish, the meaning of good harvest. Entertaining diversions on the body belong to paste on the colored paper, is now replaced by the silk)

C8051F340实现的USB键盘源代码，包括物理按键键值的获取，USB底层协议的实现、USB数据传输的实现。(C8051F340 USB keyboard source code, including the acquisition of physical keys keys, USB underlying protocol implementation, USB data transfer is achieved.)

Manual DT-AVR Low_Cost Micro System

测试程序ATMEGA8LED的灯亮和灯灭(Test ATMEGA8LED lights turn on and off)

说明：  stm32F1系列IAP串口升级程序，Ymodem协议，自动跳转APP。(STm32F1 Series IAP Serial Port Upgrade Program)

OLED 屏幕的中文参考手册，详细的记录了OLED 的所有信息，包含了基本的使用方法，对新手十分适合(OLED screen Chinese reference manual, detailed records of all the information of OLED, including the basic use of new novice is very suitable.)

采用51系列单片机为控制核心，包括电源变换处理及分配模块，恒流源模块，单片机主控模块，键盘输入模块，LCD显示模块，数模/模数转换模块，语音模块和实时时钟模块的9个部分。通过键盘设定好需要输出的电流值后，单片机对设定值按照一定的算法进行处理，经数模输出电压控制恒流源电路输出相应的电流值(51 Series single-chip microcomputer used for the control of the core, including the processing and distribution of power transform module, constant current source module, single-chip control module, the keyboard input module, LCD display module, digital-to-analog/analog-digital conversion module, voice module and real-time Clock Module Part 9. Through the keyboard need to set output current value, single-chip microcomputer according to the settings of the algorithm processing, digital-to-analog output voltage by the control constant current source circuit output current value of the corresponding)

单片机msp430控制蜂鸣器的声音，通过编写代码用msp430x14x开发版来编写控制程序蜂鸣器报警实验 (Msp430 microcontroller control the buzzer sound, by writing code with msp430x14x Developer Edition to write a control program buzzer alarm test)

基于单片机C语言实现液晶屏的曲线显示，可用于示波器等系统。(SCM C language-based curve of the LCD display can be used for systems such as an oscilloscope.)

说明：  如果要将此应用项目移植到开发板上，只需要根据此项目的电路图修改管脚，改成我们开发板对应的管脚上。温湿度传感器使用的是DHT11，所以数据口按照原理图内接。温度传感器接口也需要修改成我们开发板对应的接口(If you want to transplant this application project to the development board, you only need to modify the pins according to the circuit diagram of this project and change it to the corresponding pin of our development board. The temperature and humidity sensor uses DHT11, so the data port is internally connected according to the schematic diagram. The temperature sensor interface also needs to be modified to the corresponding interface of our development board)