documents

keil5编程环境下的STM32的BKP数据保存与恢复。(The STM32 BKP data preservation and restoration.)

单片机程序！各位喜欢单片机的朋友！可以看看！(渭 楼 脝 卢 禄煤 鲁 脤脨貌 拢 隆 赂 梅 脦 禄脧 虏禄 露 渭 楼 脝 卢 禄煤渭脛脜贸脫脩 拢 隆 驴 脡脪脭 驴 )

本科毕业设计：将实时时钟液晶显示，采集温度，显示年月日时间温度到LCD,红外设置时间及闹钟，用蜂鸣器模拟闹钟。所用芯片采用ds18b20,ds1302,stc89c51rc，一体化 红外接收头(The system features: real-time clock LCD, collecting temperature display date time temperature to LCD, infrared set the time and alarm clock, alarm clock buzzer simulation using ds18b20, ds1302, integrated infrared receiver.)

STC12C5A60S2串口接收程序，可以接收上位机发送的16进制串口数据，在接收到数据以后执行相应的动作(51单片机串口接收程序，通过接收串口16进制编码，执行相应的函数 51单片机串口接收程序，通过接收串口16进制编码，执行相应的函数 51 single-chip serial port to receive the program, through the serial port 16 to receive the code, the implementation of the corresponding function)

说明：  学习ARM，开发ARM的必备工具J-LINK V8原理图(Learning ARM, ARM developed an essential tool J-LINK V8 schematic)

DAC DMA成功输出正弦波，详细说明在程序中都有备注(DAC DMA Successfully Output Sinusoidal Wave)

通过STC12C5A60S2新增的PCA模块来产生占空比可以调节的方波。(By STC12C5A60S2 new PCA modules can be adjusted to produce the duty cycle square wave.)

AD转换，DMA传输，通过串口实现上位机传输(AD conversion, to achieve the host computer transmission)

SD绝密资料，我发钱从网上买来的。绝对经典，设计sd卡编程介绍和分析。(SD top-secret information, I sent the money bought from the Internet. Absolute classic, the design description and analysis of sd card programming.)

电路模块表面组装技术(上)，介绍SMT的组装和检测技术以及相关重要知识。(Circuit module surface mount technology (on), introduced SMT assembly and testing technology and related critical knowledge.)