設計了農(nóng)業(yè)溫濕度智能控制系統(tǒng),該系統(tǒng)采用DHT11溫濕度傳感器作為溫濕度采集模塊,單片機選用AT89C52代替并調(diào)用Virtual terminal模擬串口通信,LCD1604液晶顯示器實時顯示溫濕度,實現(xiàn)了溫濕度的測量、顯示,可自動控制加熱、降溫、加濕、通風,實現(xiàn)溫濕度控制以及超限報警處理,并利用Proteus與Keil進行實際電路的仿真。試驗表明,該系統(tǒng)實現(xiàn)了可靠的溫濕度監(jiān)控。We described the design of an intelligent control system of agriculture temperature and humidity.The system uses DHT11 temperature and humidity sensor as the temperature and humidity acquisition module.The SCM adopts AT89C52 to replace and call the virtual terminal for simulating serial Communication.LCD1604 displays temperature and humidity in real time,which implements the measurement and display of temperature and humidity.The system is able to automatically control heating,cooling,humidification and ventilation,to achieve temperature and humidity control and over-limit alarm processing.The system also uses Proteus and Keil for actual circuit simulation.The experiment shows that the system is capable of reliable temperature and humidity monitoring.
上傳時間： 2022-03-26
上傳用戶：aben
以倉庫智能改造為背景,主要介紹單片機和上位機之間通信網(wǎng)絡和通信協(xié)議的選擇,MODBUS協(xié)議通信指令和功能碼使用,重點闡述了基于RS-485總線的MODBUS通信協(xié)議在上位機和單片機之間的串行通信,實現(xiàn)上位機對單片機設備的遠程控制和信息采集的功能。Based on the intelligent warehouse transformation as the background,mainly introduces between MCU and PC Communication network and the choice of Communication protocol,instruction and the function code using the MODBUS protocol Communication,expounds the MODBUS Communication protocol based on RS-485 bus serial Communication between PC and single chip microcomputer,PC remote control of single chip computer equipment and the function of information collection.
上傳時間： 2022-03-26
上傳用戶：
以STM32F103單片機與STM32F103單片機之間進行SPI雙機通信為例,直接使用DMA傳輸進行數(shù)據(jù)的發(fā)送與接收,最后通過實驗證明了DMA傳輸?shù)母咝Ш蜏蚀_性。with the SPI dual-MIC Communication between STM32F103 MCU and STM32F103 MCU taken as an example,data transmission and reception are carried out directly by using DMA transmission to prove the efficiency and accuracy of DMA transmission by experiments.
上傳時間： 2022-03-27
上傳用戶：aben
CAN總線是汽車上應用最廣泛的車載網(wǎng)絡總線,具有實時性強、可靠性高、成本低等優(yōu)點。鑒于此,介紹了一種利用飛思卡爾系列單片機MC9S12XS128作為控制器,利用其內(nèi)部的MSCAN模塊、CAN收發(fā)器TJA1040等外圍元件進行CAN總線通信節(jié)點設計。該設計能夠?qū)崿F(xiàn)CAN總線數(shù)據(jù)的發(fā)送與接收,可應用于汽車及其他各種CAN總線通信系統(tǒng)。CAN bus is the most widely used on-board network bus in automobiles. It has the advantages of realtime, high reliability and low cost. In view of this,this paper introduces the design of CAN bus Communication node by using Freescale MC9S12XS128 as controller,using its internal MSCAN module,CAN transceiver TJA1040 and other peripheral components. This design can realize the sending and receiving of CAN bus data,and can be used in automobile and other CAN bus Communication systems.
上傳時間： 2022-03-27
上傳用戶：
設計了自動控制系統(tǒng)綜合實驗案例“基于LabVIEW和單片機的溫度控制系統(tǒng)設計”。實驗系統(tǒng)硬件部分由單片機、溫度傳感器、D/A轉(zhuǎn)換模塊、調(diào)壓模塊和電烤箱組成,設計了單片機與各個模塊之間的接口電路。軟件部分采用LabVIEW軟件實現(xiàn)控制算法,并設計監(jiān)控界面實現(xiàn)參數(shù)設定、溫度數(shù)據(jù)實時監(jiān)控等功能。設計了單片機與LabVIEW軟件之間的串口通信程序,實現(xiàn)了輸入、輸出數(shù)據(jù)的傳輸。通過綜合實驗系統(tǒng)設計,使學生得到控制系統(tǒng)設計和實驗調(diào)試等綜合能力的訓練。A comprehensive experimental case of the automatic control system is presented,which is the design of the temperature control system based on LabVIEW and SCM.The hardware part of the experimental system is composed of the SCM,temperature sensor,D/A conversion module,voltage regulating module and electric oven.The interface circuit between the SCM and each module is designed.In the software part,LabVIEW software is used to realize the control algorithm,and the monitoring interface is designed to realize the functions of parameter setting,temperature data real-time monitoring,etc.The serial Communication program between the SCM and LabVIEW software is designed to realize the transmission of input and output data.Through the design of this comprehensive experimental system,students can get the comprehensive ability training for the control system design,experiment debugging,etc.
標簽： labview 單片機 自動控制系統(tǒng)
上傳時間： 2022-03-27
上傳用戶：qdxqdxqdxqdx
LED 線陣顯示裝置, 分為 LED 線性旋轉(zhuǎn)顯示主機和圖文錄入器兩部分。主機用直流電機帶動由紅綠 LED 組成的線陣旋轉(zhuǎn), 同時線陣按照時序依次切換顯示狀態(tài), 在固定區(qū)域利用視覺暫留效果形成 16×16 點陣, 用以顯示圖文;圖文錄入器用 HMI 觸控屏作為人機交互界面, 實現(xiàn)圖文錄入和回放功能。主機與圖文錄入器通過無線通信方式進行信息交互,可由圖文錄入器控制主機切換不同工作任務, 以及改變線陣顯示內(nèi)容。The LED linear array display device is divided into two parts:the one is the main unit used to display content,and the other one is used to input the contents.The main unit is driven by a DC motor to rotate the linear array composed by red and green light emitting diodes.At the same time,the 16×16 dot matrix that switching the display state according to the time sequence on the main unit displays pictures and texts in the fixed area,by using the visual temporary effect.The HMI touch screen is used as human machine interface to realize the function that input and playback pictures and texts.The two parts of the device communicate with each other through wireless Communication.The image and text input controller can control the main unit to switch different tasks and change the content of linear array displayed.
標簽： stc12c5a60s2 單片機 led
上傳時間： 2022-03-28
上傳用戶：jiabin
近距電能傳輸——高效安全近距電能傳輸一般基于電磁感應原理進行。在此技術基礎上，當接收器鄰近發(fā)射器時才會進行電能傳輸。電磁感應技術的歷史長達百年，多年米一直應用于各類電子產(chǎn)品中—如此普及全因其簡單、高效以及安全技術概覽以下將為你簡要介紹無線電能傳輸技術。System Overview(Communication)Receiver sends messagesTo provide control information to the transmitterBy load modulation on the power signaTransmitter receives messagesTo receive control information frorn the recelverBy de-modulation of the reflected loadPower Pick Up( Receiver)Secondary coil (L Serial resonance capacitor (C) for efficient power transfer Parallel resonance capacitor(C, )for detection purposes Rectifier: full bridge(diode, or switched)+ capacitor Output switch for(dis)connecting the loadReceiver modulates load by Switching modulation resistor(R,n),or Switching modulation capacitor(Ca)Transmitter de-modulates reflected load by Sensing pnmary coil curent (p)and/o Sensing primary coil voltage (V,
上傳時間： 2022-03-31
上傳用戶：
在全球氣候變暖和石油資源短缺的形勢下,推動新能源汽車的發(fā)展將成為汽車行業(yè)一種新的發(fā)展方向。在大力發(fā)展新能源電動汽車行業(yè)的同時還應兼顧電動汽車充電設施的發(fā)展,因此對電動汽車充電樁的設計與研究顯得十分必要。對電動汽車直流充電樁的硬件系統(tǒng)進行設計,主要的硬件電路包括安全監(jiān)測電路、總壓采集電路、溫濕度檢測電路、語音電路。軟件包括主要流程圖和溫濕度檢測流程圖。Under the situation of global warming and shortage of petroleum resources,promoting the development of new energy vehicles will become a new development direction for the automotive industry.While vigorously developing the new energy electric vehicle industry,we should also take into account the development of electric vehicle charging facilities.Therefore,the design and research of electric vehicle charging piles is very necessary.The hardware system of the electric vehicle DC charging pile is designed.The main hardware circuits include safety monitoring circuit,total voltage collecting circuit,temperature and humidity detecting circuit,voice circuit and CAN Communication.The software includes a main flow chart and a temperature and humidity detection flow chart.
標簽： 電動汽車
上傳時間： 2022-04-03
上傳用戶：jason_vip1
以STM32F103C8T6為核心,設計了無刷直流電機控制器硬件電路。電路主要包括IR2310構(gòu)成的PWM驅(qū)動電路、IRF3808構(gòu)成的逆變電路、增量式旋轉(zhuǎn)編碼構(gòu)成的速度反饋電路。控制器具有CAN和RS232通信接口,可與計算機或PLC構(gòu)成速度或位置伺服系統(tǒng)。利用由xPC目標搭建的半實物仿真平臺對PI參數(shù)進行整定。測試了控制器的速度伺服響應性能,給定速度為2400rpm時,控制器響應時間為0.32s。實驗結(jié)果表明,系統(tǒng)工作可靠,穩(wěn)定性好,響應速度快,可以滿足上肢康復機器人的機械臂速度控制性能要求。The hardware circuit of Brushless DC motor controller is designed by taking STM32F103C8T6 as the core,which mainly includes PWM driving circuits made up of IR2310,inverter circuit formed by IRF3808,speed feedback circuit composed of incremental rotary encoder and so on.Speed servo control system or position servo control system can be composed of BLDM controller with computer or PLC through CAN Communication interface or RS232 serial Communication interface.By using the hardware in the loop simulation platform built by xPC target,the PI parameters are set up.The Speed servo response performance of the controller is tested.When the speed is 2 400 rpm,the response time of the controller is 0...
上傳時間： 2022-05-07
上傳用戶：
說明： 基于CC2541藍牙模塊與單片機的串口通信，ble藍牙透傳 ，安卓手機app與源碼，串口調(diào)試助手(Based on CC2541 Bluetooth module and MCU serial Communication, ble Bluetooth transparent transmission, Android mobile app and source code, serial debugging assistant)
上傳時間： 2022-05-16
上傳用戶：
