In writing this text my intention was to collect together in a single place practical predictive modeling techniques, ideas and strategies that have been proven to work but which are rarely taught in business schools, data science courses or contained in any other single text.
標簽： Predictive Techniques Modeling Applied 92
上傳時間： 2020-06-06
上傳用戶：shancjb
The Raspberry Pi has become a computing phenomenon. This single-board miniature computer, first released in February 2012 by the Raspberry Pi Foundation, has grown into a series of nearly a dozen models that have sold a total of more than 10 million units in five years. Inexpensive to buy and to run, Raspberry Pi computers are great for enthusiasts, good for games, and fun for children. Raspberry Pi computers are also terrific in the classroom, enabling you to put on each desk an easily-manageable computer on which students can do everything from learning Internet use and essential office software skills, through grasping programming basics in an easy-to-learn format, to performing full-on programming in Python, Java, C, and other languages. Better yet, you can install all the software needed for those activities automatically alongside the operating system.
標簽： Deploying Classroom Raspberry the Pi in
上傳時間： 2020-06-06
上傳用戶：shancjb
A power semiconductor module is basically a power circuit of different materials assembled together using hybrid technology, such as semiconduc- tor chip attachment, wire bonding, encapsulation, etc. The materials involved cover a wide range from insulators, conductors, and semiconduc- tors to organics and inorganics. Since these materials all behave differently under various environmental, electrical, and thermal stresses, proper selec- tion of these materials and the assembly processes are critical. In-depth knowledge of the material properties and the processing techniques is there- fore required to build a high-performance and highly reliable power module.
標簽： Manufacture Electronic Modules Design Power
上傳時間： 2020-06-07
上傳用戶：shancjb
This book is about the systematic application of the switching function technique for theanalysisofpowerelectroniccircuits. Theswitchingfunctionmethodofanalysisis basedonthederivationofthevoltage–currentexpressionsofaswitchedcircuitcover- ing all modes into a single expression, a ‘unified expression’. A ‘unified expression’ istheresultofapplyingthesuperpositiontheoreminordertocombinetheexpressions of all modes of the circuit into one expression with time varying parameters.
上傳時間： 2020-06-07
上傳用戶：shancjb
We are in the era of ubiquitous computing in which the use and development of Radio Frequency Iden- tification (RFID) is becoming more widespread. RFID systems have three main components: readers, tags, and database. An RFID tag is composed of a small microchip, limited logical functionality, and an antenna. Most common tags are passive and harvest energy from a nearby RFID reader. This energy is used both to energize the chip and send the answer back to the reader request. The tag provides a unique identifier (or an anonymized version of that), which allows the unequivocal identification of the tag holder (i.e. person, animal, or items).
上傳時間： 2020-06-08
上傳用戶：shancjb
Phenomenon is an overused and overloaded term, but somehow it seems appropriate for Arduino—an endeavor that has caught the attention of an astonishingly wide range of people and provided opportunities for those who might otherwise have never picked up a soldering iron or written a single line of code. From dyed-in-the-wool hardware hackers to web page developers, robotics enthusiasts to installation artists, textile students to musicians: all can be found in the Arduino community. The versatility of the platform encompassing both hardware and software, combined with its inherent openness, has captured the imagination of tens of thousands of developers.
標簽： Practical Projects Arduino Cool
上傳時間： 2020-06-09
上傳用戶：shancjb
This book describes a unifying framework to networked teleoperation systems cutting across multiple research fields including networked control system for linear and nonlinear forms, bilateral teleoperation, trilateral teleoperation, multilateral teleoperation, cooperative teleoperation, and some teleoperation application examples. Networked control has been deeply studied at the intersection of systems & control and robotics for a long time, and many scholarly books on the topic have been already published. Nevertheless, the approach remains active even in several new research fields, such as bilateral teleoperation, single master and multiple slaves, trilateral teleoperation, and multilateral teleoperation
標簽： Teleoperation Intelligent Networked Control
上傳時間： 2020-06-10
上傳用戶：shancjb
This book will discuss the topic of Control Systems, which is an interdisciplinary engineering topic. Methods considered here will consist of both "Classical" control methods, and "Modern" control methods. Also, discretely sampled systems (digital/computer systems) will be considered in parallel with the more common analog methods. This book will not focus on any single engineering discipline (electrical, mechanical, chemical, etc.), although readers should have a solid foundation in the fundamentals of at least one discipline.
上傳時間： 2020-06-10
上傳用戶：shancjb
modbus-demo, Public M_3W_D(50) As Long Public M_4W_D(500) As Long Public M_0W_B(100) As Long Public M_1W_B(100) As Long Public PLC_B(50) As Single Public PLC_C(50) As Long Public T1t(500) As Long Public M_3x(500) As Long Public M_4x(500) As Long Public MODEL As Long Public Party As Long
標簽： modbusdemo
上傳時間： 2020-11-09
上傳用戶：
深圳市永嘉微電科技有限公司，原廠直銷！原裝現貨更有優勢！工程服務，技術支持，讓您的生產高枕無憂！量大價優，保證原裝。您有量，我有價！ 聯系人：許先生 聯系手機：188 9858 2398 （微信） 聯系QQ：191 888 5898 E-mail：zes1688@163.com VK2C22系列 產品品牌：VINKA永嘉微電 產品型號：VK2C22 驅動芯片：LCD驅動 針腳數：52/48 封裝形式：LQFP52/48 產品年份：全新年份 概述 VK2C22系列是一款存儲器映射和多功能LCD控制/驅動芯片。該系列芯片顯示模式有176點(44×4)。VK2C22軟件配置特性使得它適用于多種LCD應用，包括LCD模塊和顯示子系統。VK2C22通過雙線雙向I2C接口與大多數微處理器/微控制器進行通信。 功能特性 1.工作電壓：2.4V ~ 5.5V 2.內部32kHz RC振蕩器 3.Bias：1/2或1/3；Duty：1/4 4.帶電壓跟隨器的內部LCD偏置發生器 5.I2C接口 6.兩個可選LCD幀頻率：80Hz或160Hz 7.多達 44×4位RAM用來存儲顯示數據 8.顯示模式44×4：44 SEGs和4COMs 9.多種閃爍模式 10.讀/寫地址自動增加 11.內建16級VLCD電壓調整電路 12.低功耗 13.提供VLCD引腳來調整LCD工作電壓 14.采用硅柵極CMOS制造工藝 15.封裝類型：48-pin LQFP，52-pin LQFP，chip和COG 應用領域 ● 電表 ● 水表 ● 氣表 ● 熱能表 ● 家用電器 ● 游戲機 ● 電話機 ● 消費類電子產品 極限參數 電源供應電壓 .......................................VSS-0.3V~VSS+6.5V 端口輸入電壓 .......................................VSS-0.3V~VDD+0.3V 儲存溫度 ...........................................-55°C~150°C 工作溫度 ...........................................-40°C~85°C 注：這里只強調額定功率，超過極限參數所規定的范圍將對芯片造成損害，無法預期芯片在上述標示范圍外的工作狀態，而且若長期在標示范圍外的條件下工作，可能影響芯片的可靠性。YH49 永嘉原廠LED/LCD液晶控制器及驅動器系列 芯片簡介如下： 內存映射的LED控制器及驅動器 VK1628 --- 通訊接口:STb/CLK/DIO 電源電壓:5V(4.5～5.5V) 驅動點陣:70/52 共陰驅動:10段7位/13段4位 共陽驅動:7段10位 按鍵:10x2 封裝SOP28 VK1629 --- 通訊接口:STb/CLK/DIN/DOUT 電源電壓:5V(4.5～5.5V) 驅動點陣:128 共陰驅動:16段8位 共陽驅動:8段16位 按鍵:8x4 封裝QFP44 VK1629A --- 通訊接口:STb/CLK/DIO 電源電壓:5V(4.5～5.5V) 驅動點陣:128 共陰驅動:16段8位 共陽驅動:8段16位 按鍵:--- 封裝SOP32 VK1629B --- 通訊接口:STb/CLK/DIO 電源電壓:5V(4.5～5.5V) 驅動點陣:112 共陰驅動:14段8位 共陽驅動:8段14位 按鍵:8x2 封裝SOP32 VK1629C --- 通訊接口:STb/CLK/DIO 電源電壓:5V(4.5～5.5V) 驅動點陣:120 共陰驅動:15段8位 共陽驅動:8段15位 按鍵:8x1 封裝SOP32 VK1629D --- 通訊接口:STb/CLK/DIO 電源電壓:5V(4.5～5.5V) 驅動點陣:96 共陰驅動:12段8位 共陽驅動:8段12位 按鍵:8x4 封裝SOP32 VK1640 --- 通訊接口: CLK/DIN 電源電壓:5V(4.5～5.5V) 驅動點陣:128 共陰驅動:8段16位 共陽驅動:16段8位 按鍵:--- 封裝SOP28 VK1650 --- 通訊接口: SCL/SDA 電源電壓:5V(3.0～5.5V) 驅動點陣:8x16 共陰驅動:8段4位 共陽驅動:4段8位 按鍵:7x4 封裝SOP16/DIP16 VK1668 ---通訊接口:STb/CLK/DIO 電源電壓:5V(4.5～5.5V) 驅動點陣:70/52 共陰驅動:10段7位/13段4位 共陽驅動:7段10位 按鍵:10x2 封裝SOP24 VK6932 --- 通訊接口:STb/CLK/DIN 電源電壓:5V(4.5～5.5V) 驅動點陣:128 共陰驅動:8段16位17.5/140mA 共陽驅動:16段8位 按鍵:--- 封裝SOP32 RAM映射LCD控制器和驅動器系列 VK1024b 2.4V～5.2V 6seg*4com 6*3 6*2 偏置電壓1/2 1/3 S0P-16 VK1056b 2.4V～5.2V 14seg*4com 14*3 14*2 偏置電壓1/2 1/3 SOP-24/SSOP-24 VK1072B 2.4V～5.2V 18seg*4com 18*3 18*2 偏置電壓1/2 1/3 SOP-28 VK1072C 2.4V～5.2V 18seg*4com 18*3 18*2 偏置電壓1/2 1/3 SOP-28 VK1088b 2.4V～5.2V 22seg*4com 22*3 偏置電壓1/2 1/3 QFN-32L（4MM*4MM） VK0192 2.4V～5.2V 24seg*8com 偏置電壓1/4 LQFP-44 VK0256 2.4V～5.2V 32seg*8com 偏置電壓1/4 QFP-64 VK0256b 2.4V～5.2V 32seg*8com 偏置電壓1/4 LQFP-64 VK0256C 2.4V～5.2V 32seg*8com 偏置電壓1/4 LQFP-52 VK1621S-1 2.4V～5.2V 32*4 32*3 32*2 偏置電壓1/2 1/3 LQFP44/48/SSOP48/SKY28/DICE裸片 VK1622B 2.7V～5.5V 32seg*8com 偏置電壓1/4 LQFP-48 VK1622S 2.7V～5.5V 32seg*8com 偏置電壓1/4 LQFP44/48/52/64/QFP64/DICE裸片 VK1623S 2.4V～5.2V 48seg*8com 偏置電壓1/4 LQFP-100/QFP-100/DICE裸片 VK1625 2.4V～5.2V 64seg*8com 偏置電壓1/4 LQFP-100/QFP-100/DICE VK1626 2.4V～5.2V 48seg*16com 偏置電壓1/5 LQFP-100/QFP-100/DICE (高品質 高性價比：液晶顯示驅動IC 原廠直銷 工程技術支持！) 高抗干擾LCD液晶控制器及驅動系列 VK2C21A 2.4～5.5V 20seg*4com 16*8 偏置電壓1/3 1/4 I2C通訊接口 SOP-28 VK2C21B 2.4～5.5V 16seg*4com 12*8 偏置電壓1/3 1/4 I2C通訊接口 SOP-24 VK2C21C 2.4～5.5V 12seg*4com 8*8 偏置電壓1/3 1/4 I2C通訊接口 SOP-20 VK2C21D 2.4～5.5V 8seg*4com 4*8 偏置電壓1/3 1/4 I2C通訊接口 NSOP-16 VK2C22A 2.4～5.5V 44seg*4com 偏置電壓1/2 1/3 I2C通訊接口 LQFP-52 VK2C22B 2.4～5.5V 40seg*4com 偏置電壓1/2 1/3 I2C通訊接口 LQFP-48 VK2C23A 2.4～5.5V 56seg*4com 52*8 偏置電壓1/3 1/4 I2C通訊接口 LQFP-64 VK2C23B 2.4～5.5V 36seg*8com 偏置電壓1/3 1/4 I2C通訊接口 LQFP-48 VK2C24 2.4～5.5V 72seg*4com 68*8 60*16 偏置電壓1/3 1/4 1/5 I2C通訊接口 LQFP-80 超低功耗LCD液晶控制器及驅動系列 VKL060 2.5～5.5V 15seg*4com 偏置電壓1/2 1/3 I2C通訊接口 SSOP-24 VKL128 2.5～5.5V 32seg*4com 偏置電壓1/2 1/3 I2C通訊接口 LQFP-44 VKL144A 2.5～5.5V 36seg*4com 偏置電壓1/2 1/3 I2C通訊接口 TSSOP-48 VKL144B 2.5～5.5V 36seg*4com 偏置電壓1/2 1/3 I2C通訊接口 QFN48L (6MM*6MM) 靜態顯示LCD液晶控制器及驅動系列 VKS118 2.4～5.2V 118seg*2com 偏置電壓 -- 4線通訊接口 LQFP-128 VKS232 2.4～5.2V 116seg*2com 偏置電壓1/11/2 4線通訊接口 LQFP-128 聯系人：許先生 聯系手機：188 9858 2398 （微信） 聯系QQ：191 888 5898 E-mail：zes1688@163.com 以上介紹內容為IC參數簡介，難免有錯漏，且相關IC型號眾多，未能一一收錄。歡迎聯系索取完整資料及樣品！生意無論大小，做人首重誠信！本公司全體員工將既往開來，再接再厲。更高性價比的好產品.竭誠希望能與各位客戶朋友深入溝通，攜手共進，共同成長，合作共贏！謝謝。
標簽： LCD驅動IC 液晶驅動芯片 抗干擾驅動芯片 顯示屏驅動IC
上傳時間： 2021-04-03
上傳用戶：szqxw1688
