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在下的毕业设计，　　　本题要求设计一个直流电机控制系统。在设计中，采用国产单片机中目前比较新式的STC12C5A60S2作为整个控制系统的控制电路的核心，因为STC12C5A60S2内部有PCA模块，可以产生PWM波形；采用带中断的独立式键盘作为命令的输入，每当按键时蜂鸣器响；配以LCD12864显示实现对带光码盘的直流电动机转速参数的测量、显示和控制。LMD18200驱动模块内部是H型驱动电路，驱动能力较强，完成电机正反转以及速度的控制。为优化直流电机的响应，采用PID反馈，实现闭环控制。(Graduation in the next, and that the requirements to design a DC motor control system. In the design, the use of the relatively new domestic microcontroller as a control circuit of STC12C5A60S2 entire control system core, because STC12C5A60S2 internal PCA module can generate PWM waveforms using a separate keyboard with interrupt input as a command, whenever the button When the buzzer sounds accompanied LCD12864 display realize the measurement of the optical encoder with DC motor speed parameters, display and control. LMD18200 internal drive module is H-drive circuit, driving ability, and the speed of completion of the motor reversing control. In order to optimize the response of DC motor, using PID feedback, closed loop control.)

日常生活中经常见到的广告牌以LED流动发光的形式来增加效果，该文件就包含了流水灯的编程代码。(The billboards that are often seen in daily life increase the effect in the form of LED luminous light. The file contains the programming code of the water lamp.)

stm32智能物流小车程序，芯片为stm32f407(Stm32 Intelligent Logistics Vehicle Program, the chip is stm32f407)

温湿度检测 AM32101温湿度传感器 可以检测(Temperature and humidity sensor temperature and humidity testing AM32101)

通过HT9200 进行拨号,电路部分不再上传

本作品可实现如下功能： 1. 显示年、月、日、星期等日期项 2. 显示时、分、秒等时间项 3. 测量并显示温度 4. 秒表（含开始，暂停，继续，复位等） 5. 闹钟（含开关，时间设定，是否启用的标志等，精确到秒） 6. 时间和日期的校正（加减均可） (The works can achieve the following functions: 1 year, month, date, day of the week, the date of entry. Displayed, minutes, seconds time of 3 to measure and display the temperature. The stopwatch (including start, pause, resume, reset etc. ) 5 alarm (including switch, time set, the flag is enabled, accurate to seconds) the time and date of the correction (addition and subtraction can be))

基于ESP8266 的物联网CoAP的实现(Implementation of Internet of Things CoAP Based on ESP8266)

中控指纹5.0SDK，指纹开发包。Zk Finger SDK 5.0(ZK Finger SDK 5.0 Demo)

LPC2210-user,when you study arm you should use it.(LPC2210-user, when you study arm you should use it.)

功能:控制步进电机全速正转、全速反转、停止、调速运行。(Function: control stepper motor full speed forward, full speed reverse, stop, speed regulation.)