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简单打字速度练习，采用倒计时10分钟进行速度练习。(Simply typing speed exercises for 10 minutes using the countdown speed exercises.)

使用Ht66fu50单片机设计闹钟，使用12864显示，DS1302时钟芯片，DS18B20温度传感器，蓝牙的相关硬件，该作品获得天津市合泰杯三等奖。(Use Ht66fu50 microcontroller design alarm clock, use 12864, DS1302 clock chip, DS18B20 temperature sensor, Bluetooth related hardware, the work won the third prize of Tianjin cup of Thailand.)

自己画的四轴飞行器，原理图，pcb。。。。。。。。。。。。。。。。。。。。。。。为了20个子，我真的不容易(Own painting Four aircraft, schematics, pcb)

51单片机温度采集与显示设计 - 通过DS18B20温度传感器获取温度,并通过数码管显示,并实现了温度可手动校准(51 single-chip temperature acquisition and display design- through DS18B20 temperature sensor for temperature, and through the digital display, and achieve a temperature can be manually calibrated)

锁相环用于电机转速精准检测，资料很不错，值得下载(Phase-locked loop for accurate detection of motor speed)

计算配电网络潮流 基于40节点计算配电网潮流电压及其电流 (Calculation of distribution network based on 40 tide node voltage and current power flow calculation)

智能指针的设计，主要为了解决野指针的问题(Smart pointer design, mainly in order to solve the problem of dangling pointers)

铸造过程中温度场的描述的仿真模拟，可以写到文件中(Casting process described temperature field can be written to a file)

STM32的ADC程序，亲测可用。内有详细注释和说明文档，很好的参考资料。(STM32 ADC program, pro - test available. There are detailed notes and documentation, good references.)

说明：  单片机蜂鸣器 对初学单片机的你有很好的帮助(SCM SCM buzzer for beginners to help you have a good)