Mostrando 181 - 200 Resultados de 202 Para Buscar '"resistor"', tiempo de consulta: 0.07s Limitar resultados
  1. 181
    Publicado 2023
    Tabla de Contenidos: “…6.3.2.1 High-K Dielectric -- 6.3.2.2 Metal Gate -- 6.3.2.3 Multiple Gate -- 6.4 Role of High-K in CMOS Miniaturization -- 6.5 Current Mosfet Technologies -- 6.6 Conclusion -- References -- Chapter 7 Investigation of Diabetic Retinopathy Level Based on Convolution Neural Network Using Fundus Images -- 7.1 Introduction -- 7.2 The Proposed Methodology -- 7.3 Dataset Description and Feature Extraction -- 7.3.1 Depiction of Datasets -- 7.3.2 Preprocessing -- 7.3.3 Detection of Blood Vessels -- 7.3.4 Microaneurysm Detection -- 7.4 Results and Discussions -- 7.5 Conclusions -- References -- Chapter 8 Anti-Theft Technology of Museum Cultural Relics Using RFID Technology -- 8.1 Introduction -- 8.2 Literature Survey -- 8.3 Software Implementation -- 8.4 Components -- 8.4.1 Arduino UNO -- 8.4.2 EM18 Reader Module -- 8.4.3 RFID Tag -- 8.4.4 LCD Display -- 8.4.5 Sensors -- 8.4.5.1 Fire Sensor -- 8.4.5.2 IR Sensor -- 8.4.6 Relay -- 8.5 Working Principle -- 8.5.1 Working Principle -- 8.6 Results and Discussions -- 8.7 Conclusions -- References -- Chapter 9 Smart Irrigation System Using Machine Learning Techniques -- 9.1 Introduction -- 9.2 Hardware Module -- 9.2.1 Soil Moisture Sensor -- 9.2.2 LM35-Temperature Sensor -- 9.2.3 POT Resistor -- 9.2.4 BC-547 Transistor -- 9.2.5 Sounder -- 9.2.6 LCD 16x2 -- 9.2.7 Relay -- 9.2.8 Push Button -- 9.2.9 LED -- 9.2.10 Motor -- 9.3 Software Module -- 9.3.1 Proteus Tool -- 9.3.2 Arduino Based Prototyping -- 9.4 Machine Learning (Ml) Into Irrigation -- 9.5 Conclusion -- References -- Chapter 10 Design of Smart Wheelchair with Health Monitoring System -- 10.1 Introduction -- 10.2 Proposed Methodology -- 10.3 The Proposed System -- 10.4 Results and Discussions -- 10.5 Conclusions -- References -- Chapter 11 Design and Analysis of Anti-Poaching Alert System for Red Sandalwood Safety -- 11.1 Introduction…”
    Libro electrónico
  2. 182
    por Aslaksen, E.
    Publicado 2008
    “…Without standardized construction elements such as nuts, bolts, bearings, beams, resistors and the like, the design of physical equipment is hopelessly inefficient, and engineers are continually bogged down with re-designing these elements over and over again. …”
    Libro electrónico
  3. 183
    Publicado 2021
    Tabla de Contenidos: “…4.1.2 Know the Environment -- 4.2 Standards and Measurements -- 4.3 Failure‐Inducing Stressors -- 4.4 Common Test Types -- 4.4.1 Temperature Cycling -- 4.4.2 Temperature‐Humidity‐Bias Testing -- 4.4.3 Electrical Connection -- 4.4.4 Corrosion Tests -- 4.4.5 Power Cycling -- 4.4.6 Electrical Loads -- 4.4.7 Mechanical Bending -- 4.4.8 Random and Sinusoidal Vibration -- 4.4.9 Mechanical Shock -- 4.4.10 ALT Testing -- 4.4.11 Highly Accelerated Life Testing (HALT) -- 4.4.12 EMC Testing Dos and Don'ts -- 4.5 Test Plan Development -- 4.5.1 The Process -- 4.5.2 Failure Analysis -- 4.5.3 Screening Tests -- 4.5.4 Case Study One -- 4.5.5 Case Study Two -- 4.5.6 Case Study Three -- References -- Chapter 5 Design for Manufacturability -- 5.1 Introduction -- 5.2 Overview of Industry Standard Organizations -- 5.3 Overview of DfM Processes -- 5.3.1 The DfM Process -- 5.4 Component Topics -- 5.4.1 Part Selection -- 5.4.2 Moisture Sensitivity Level (MSL) -- 5.4.3 Temperature Sensitivity Level (TSL) -- 5.4.4 ESD -- 5.4.5 Derating -- 5.4.6 Ceramic Capacitor Cracks -- 5.4.7 Life Expectancies -- 5.4.8 Aluminum Electrolytic Capacitors -- 5.4.9 Resistors -- 5.4.10 Tin Whiskers -- 5.4.11 Integrated Circuits -- 5.5 Printed Circuit Board Topics -- 5.5.1 Laminate Selection -- 5.5.2 Surface Finish -- 5.5.3 Discussion of Different Surface Finishes -- 5.5.4 Stackup -- 5.5.5 Plated Through‐Holes -- 5.5.6 Conductive Anodic Filament (CAF) Formation -- 5.5.7 Copper Weight -- 5.5.8 Pad Geometries -- 5.5.9 Trace and Space Separation -- 5.5.10 Non‐Functional Pads -- 5.5.11 Shipping and Handling -- 5.5.12 Cleanliness and Contamination -- 5.6 Process Materials -- 5.6.1 Solder -- 5.6.2 Solder Paste -- 5.6.3 Flux -- 5.6.4 Stencils -- 5.6.5 Conformal Coating -- 5.6.6 Potting -- 5.6.7 Underfill -- 5.6.8 Cleaning Materials -- 5.6.9 Adhesives -- 5.7 Summary: Implementing DfM -- References…”
    Libro electrónico
  4. 184
    Publicado 2018
    Tabla de Contenidos: “…7 - Advanced silicon radiation detectors in the vacuum ultraviolet and the extreme ultraviolet spectral range -- 7.1 Introductory overview -- 7.2 Challenges for radiation detection in the VUV and EUV spectral ranges -- 7.3 Device solutions for radiation detection in the VUV and EUV spectral ranges -- 7.4 Methods of radiometric investigation and characterization -- 7.5 Spectral responsivity and radiation hardness of VUV and EUV radiation detectors -- 7.6 Future trends -- References -- 8 - Advanced interfaces for resistive sensors -- 8.1 Introduction -- 8.2 Resistive sensors -- 8.2.1 Examples of resistive sensors -- 8.2.1.1 Resistive temperature detectors -- 8.2.1.2 Light-dependent resistors -- 8.2.1.3 Resistive gas sensors -- 8.2.1.4 Strain gauges -- 8.2.1.5 Potentiometers -- 8.2.2 Parasitic capacitance -- 8.3 Voltamperometric resistance estimation -- 8.3.1 Implementation in smart sensors -- 8.3.2 Parasitic capacitance issues -- 8.3.3 Calibration procedures -- 8.4 Resistance-to-time conversion methods -- 8.4.1 Oscillator-based systems -- 8.4.1.1 Parasitic capacitance issues -- 8.4.1.2 The problem of long measuring times -- 8.4.2 Systems with constant sensor excitation voltage -- 8.4.2.1 Long measuring time problem -- 8.4.2.2 Direct ramp slope estimation -- 8.4.2.3 Parasitic capacitance estimation -- 8.5 Industrial-related aspects -- 8.6 Conclusion and future trends -- References -- 9 - Reconfigurable ultrasonic smart sensor platform for nondestructive evaluation and imaging applications -- 9.1 Introduction -- 9.2 Fundamentals of ultrasonic sensing and pulse-echo measurements -- 9.3 Reconfigurable ultrasonic smart sensor platform design -- 9.3.1 System features and user interface -- 9.3.2 System response and real-time operational requirements -- 9.3.3 Reconfigurable ultrasonic smart sensor platform architecture…”
    Libro electrónico
  5. 185
    Publicado 2022
    Tabla de Contenidos: “…3.6.3 Physical Properties of Microstrip Lines -- 3.7 Supplementary Problems -- References -- Chapter 4 Planar Circuit Design II -- 4.1 Introduction -- 4.2 Discontinuities in Microstrip -- 4.2.1 Open‐End Effect -- 4.2.2 Step‐Width -- 4.2.3 Corners -- 4.2.4 Gaps -- 4.2.5 T‐Junctions -- 4.3 Microstrip Enclosures -- 4.4 Packaged Lumped‐Element Passive Components -- 4.4.1 Typical Packages for RF Passive Components -- 4.4.2 Lumped‐Element Resistors -- 4.4.3 Lumped‐Element Capacitors -- 4.4.4 Lumped‐Element Inductors -- 4.5 Miniature Planar Components -- 4.5.1 Spiral Inductors -- 4.5.2 Loop Inductors -- 4.5.3 Interdigitated Capacitors -- 4.5.4 Metal-Insulator-Metal Capacitor -- References -- Chapter 5 S‐Parameters -- 5.1 Introduction -- 5.2 S‐Parameter Definitions -- 5.3 Signal Flow Graphs -- 5.4 Mason's Non‐touching Loop Rule -- 5.5 Reflection Coefficient of a Two‐Port Network -- 5.6 Power Gains of Two‐Port Networks -- 5.7 Stability -- 5.8 Supplementary Problems -- {5.A.1} Transmission Parameters (ABCD Parameters) -- {5.A.2} Admittance Parameters (Y‐Parameters) -- {5.A.3} Impedance Parameters (Z‐Parameters) -- References -- Chapter 6 Microwave Ferrites -- 6.1 Introduction -- 6.2 Basic Properties of Ferrite Materials -- 6.2.1 Ferrite Materials -- 6.2.2 Precession in Ferrite Materials -- 6.2.3 Permeability Tensor -- 6.2.4 Faraday Rotation -- 6.3 Ferrites in Metallic Waveguide -- 6.3.1 Resonance Isolator -- 6.3.2 Field Displacement Isolator -- 6.3.3 Waveguide Circulator -- 6.4 Ferrites in Planar Circuits -- 6.4.1 Planar Circulators -- 6.4.2 Edge‐Guided‐Mode Propagation -- 6.4.3 Edge‐Guided‐Mode Isolator -- 6.4.4 Phase Shifters -- 6.5 Self‐Biased Ferrites -- 6.6 Supplementary Problems -- References -- Chapter 7 Measurements -- 7.1 Introduction -- 7.2 RF and Microwave Connectors -- 7.2.1 Maintenance of Connectors -- 7.2.2 Connecting to Planar Circuits…”
    Libro electrónico
  6. 186
    por Das, LyLa B.
    Publicado 2012
    Tabla de Contenidos: “…1.8 History of Embedded Systems -- 1.9 Current Trends -- Conclusion -- Key Points of this Chapter -- Questions -- Exercises -- Chapter 2: Embedded Systems-The Hardware Point of View -- Introduction -- 2.1 Microcontroller Unit (MCU) -- 2.1.1 The Processor -- 2.1.2 The Harvard Architecture -- 2.2 A Popular 8-bit MCU -- 2.2.1 General Purpose I/O (GPIO) -- 2.2.2 Clock -- 2.2.3 Power on Reset -- 2.2.4 Brown Out Reset -- 2.2.5 Timers and Counters -- 2.2.6 Watchdog Timer -- 2.2.7 Real-time Clock (RTC) -- 2.2.8 Stack -- 2.2.9 Interrupts -- 2.2.10 DMA -- 2.2.11 Communication Ports -- 2.3 Memory for Embedded Systems -- 2.3.1 Semiconductor Memory -- 2.3.2 Random Access Memory (RAM) -- 2.3.3 Dynamic RAM (DRAM) -- 2.3.4 ROM (Read Only Memory) -- 2.3.5 Caches -- 2.4 Low Power Design -- 2.5 Pullup and Pulldown Resistors -- 2.5.1 Floating State of an Input -- 2.5.2 Pulldown and Pullup Resistances -- 2.5.3 Open Collector/Open Drain Gates -- 2.5.4 Weak and Strong Pullup -- 2.5.5 High Impedance State, Hi-Z -- Conclusion -- Key Points of this Chapter -- Questions -- Exercises -- Chapter 3: Sensors, ADCs and Actuators -- Introduction -- 3.1 Sensors -- 3.1.1 Temperature Sensors -- 3.1.2 Light Sensors -- 3.1.3 Proximity/Range Sensors -- 3.1.4 Encoders -- 3.1.5 Humidity Sensors -- 3.1.6 Other Sensors -- 3.2 Analog to Digital Converters -- 3.2.1 ADC Interfacing * -- 3.3 Actuators -- 3.3.1 Displays -- 3.3.2 Motors -- 3.3.3 Optocouplers/Opto Isolators -- 3.3.4 Relays -- Conclusion -- Key Points of this Chapter -- Questions -- Exercises -- Chapter 4: Examples of Embedded Systems -- Introduction -- 4.1 Mobile Phone -- 4.1.1 Block Diagram -- 4.1.2 The Cellular Concept -- 4.1.3 Multiple Access -- 4.1.4 Frequency Re-use -- 4.1.5 Handoff (Handover) -- 4.1.6 Spread Spectrum Techniques -- 4.1.7 Set Up and Maintanence -- 4.1.8 Conclusion -- 4.2 Automotive Electronics…”
    Libro electrónico
  7. 187
    Publicado 2018
    Tabla de Contenidos: “…Cover -- Title -- Copyright -- Contents -- Preface -- Acknowledgements -- Chapter 1 Electrical and electronic principles -- 1.1 Safe working practices -- 1.1.1 Introduction -- 1.1.2 Risk assessment and reduction -- 1.2 Basic electrical principles -- 1.2.1 Introduction -- 1.2.2 Electron flow and conventional flow -- 1.2.3 Effects of current flow -- 1.2.4 Fundamental quantities -- 1.2.5 Describing electrical circuits -- 1.2.6 Conductors, insulators and semiconductors -- 1.2.7 Factors affecting the resistance of a conductor -- 1.2.8 Resistors and circuit networks -- 1.2.9 Magnetism and electromagnetism -- 1.2.10 Electromagnetic induction -- 1.2.11 Mutual induction -- 1.2.12 Definitions and laws -- 1.3 Electronic components and circuits -- 1.3.1 Introduction -- 1.3.2 Components -- 1.3.3 Integrated circuits -- 1.3.4 Amplifiers -- 1.3.5 Bridge circuits -- 1.3.6 Schmitt trigger -- 1.3.7 Timers -- 1.3.8 Filters -- 1.3.9 Darlington pair -- 1.3.10 Stepper motor driver -- 1.3.11 Digital-to-analogue conversion -- 1.3.12 Analogue-to-digital conversion -- 1.4 Digital electronics -- 1.4.1 Introduction to digital circuits -- 1.4.2 Logic gates -- 1.4.3 Combinational logic -- 1.4.4 Sequential logic -- 1.4.5 Timers and counters -- 1.4.6 Memory circuits -- 1.4.7 Clock or astable circuits -- 1.5 Microprocessor systems -- 1.5.1 Introduction -- 1.5.2 Ports -- 1.5.3 Central processing unit (CPU) -- 1.5.4 Memory -- 1.5.5 Buses -- 1.5.6 Fetch-execute sequence -- 1.5.7 A typical microprocessor -- 1.5.8 Microcontrollers -- 1.5.9 Testing microcontroller systems -- 1.5.10 Programming -- 1.6 Measurement -- 1.6.1 What is measurement? …”
    Libro electrónico
  8. 188
    Publicado 2016
    “…Practical Electronics for Inventors, Fourth Edition, covers: Resistors, capacitors, inductors, and transformers Diodes, transistors, and integrated circuits Optoelectronics, solar cells, and phototransistors Sensors, GPS modules, and touch screens Op amps, regulators, and power supplies Digital electronics, LCD displays, and logic gates Microcontrollers and prototyping platforms Combinational and sequential programmable logic DC motors, RC servos, and stepper motors Microphones, audio amps, and speakers Modular electronics and prototypes…”
    Libro electrónico
  9. 189
    Publicado 2018
    “…Dielectric liquids are used as impregnates of solid insulations or filling products in many kinds of equipment, such as transformers (power, rectifier, distribution, traction, furnace, potential, current), resistors, reactors, capacitors, cables, bushings, circuit breakers, tap changers, and thyristor cooling in power electronics, et cetera Their role is paramount in the sense that their presence is one of the fundamental conditions for the proper functioning of such equipment. …”
    Libro electrónico
  10. 190
    Publicado 2020
    “…However, to further increase training speed and energy efficiency while decreasing system size, the combination of CMOS neurons with memristor synapses is being explored. The memristor is a resistor with memory which behaves similarly to biological synapses. …”
    Libro electrónico
  11. 191
    Publicado 2020
    “…Circuit basics — learn what voltage is, where current flows (and doesn't flow), and how power is used in a circuit Critical components — discover how resistors, capacitors, inductors, diodes, and transistors control and shape electric current Versatile chips — find out how to use analog and digital integrated circuits to build complex projects with just a few parts Analyze circuits — understand the rules that govern current and voltage and learn how to apply them Safety tips — get a thorough grounding in how to protect yourself—and your electronics—from harm Electronics For Dummies (9781119675594) was previously published as Electronics For Dummies (9781119117971). …”
    Libro electrónico
  12. 192
    Publicado 2019
    “…Learn how to: •Control your robot remotely using only a Wii remote •Teach your robot to use sensors to avoid obstacles •Program your robot to follow a line autonomously •Customize your robot with LEDs and speakers to make it light up and play sounds •See what your robot sees with a Pi Camera As you work through the book, you’ll learn fundamental electronics skills like how to wire up parts, use resistors and regulators, and determine how much power your robot needs. …”
    Libro electrónico
  13. 193
    Publicado 2020
    “…You will: Interface new sensors, devices, and communications with LEGO Mindstorms EV3 Work with communication protocols of pulse width modulation (PWM), I2c, and SPI Convert pulse width modulation to analog voltage with resistor and capacitor components…”
    Libro electrónico
  14. 194
    Publicado 2024
    “…The course begins with an introduction to essential components, including resistors, LEDs, and push buttons, providing a solid foundation in circuit basics. …”
    Vídeo online
  15. 195
    Publicado 2017
    “…Some examples defining the contents can be highlighted: system reliability analysis based on goal-oriented methodology; reliability design of water-dispensing systems; reliability evaluation of drivetrains for off-highway machines; extending the useful life of asset; network reliability for faster feasibility decision; analysis of standard reliability parameters of technical systems' parts; cannibalisation for improving system reliability; mathematical study on the multiple temperature operational life testing procedure, for electronic industry; reliability prediction of smart maximum power point converter in photovoltaic applications; reliability of die interconnections used in plastic discrete power packages; the effects of mechanical and electrical straining on performances of conventional thick-film resistors; software and hardware development in the electric power system; electric interruptions and loss of supply in power systems; feasibility of autonomous hybrid AC/DC microgrid system; predictive modelling of emergency services in electric power distribution systems; web-based decision-support system in the electric power distribution system; preventive maintenance of a repairable equipment operating in severe environment; and others…”
    Libro electrónico
  16. 196
    Publicado 2019
    “…Next, you’ll build nine simple projects using just a handful of readily available components, like resistors, transistors, capacitors, and other parts. …”
    Libro electrónico
  17. 197
    Publicado 2019
    “…The memristor is a passive one-port element, together with the capacitor, inductor and resistor. The Williams Hewlett Packard (HP) research group has made a link between resistive switching devices and the memristor proposed by Chua. …”
    Libro electrónico
  18. 198
    Publicado 2016
    “…Designed for learners with a very basic understanding of programming, electronic components (resistors, switches, etc.), and the interconnection between servers and browsers, this course requires the following IoT hardware and software: Arduino IDE, ESP8266 SDK, the Adafruit Huzzah, an FTDI Cable, and a set of Grove prototyping devices. …”
    Video
  19. 199
    Publicado 2017
    “…What You Will Learn Write simple programs using variables, functions, loops, arrays, and libraries Set up the Arduino and understand its internal functioning Get to grips with connections in electronics and arrive at ways to connect various components yourself Delve into various sensors and their selection and build your own sensor Unravel the concept of resistors and capacitors along with understanding the physics of electronics Become an inventor through interactive exercises (such as making a friend happy with a proximity sensor, and giving "life" to a plant) In Detail The mission of this book is to integrate technology with the tools that children already use for crafts so that they feel that the technology is an extension of their playtime. …”
    Libro electrónico
  20. 200
    Publicado 2017
    “…What You Will Learn Write Arduino sketches and understand the fundamentals of building prototype circuits using basic electronic components, such as resistors, transistors, and diodes Build simple, compound, and standalone devices with auxiliary storage (SD card), a DC battery, and AC power supplies Deal with basic sensors and interface sensor modules by using sensor datasheets Discover the fundamental techniques of prototyping with actuators Build remote-controlled devices with infrared (IR), radio frequency (RF), and telephony with GSM Learn IoT edge device prototyping (using ESP8266) and IoT cloud configuration In Detail This book is a quick, 10-day crash course that will help you become well acquainted with the Arduino platform. …”
    Libro electrónico