Pwm Led Dimmer Circuit
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FPGA Prototyping by VHDL Examples
A hands-on introduction to FPGA prototyping and SoC design This Second Edition of the popular book follows the same “learning-by-doing” approach to teach the fundamentals and practices of VHDL synthesis and FPGA prototyping. It uses a coherent series of examples to demonstrate the process to develop sophisticated digital circuits and IP (intellectual property) cores, integrate them into an SoC (system on a chip) framework, realize the system on an FPGA prototyping board, and verify the hardware and software operation. The examples start with simple gate-level circuits, progress gradually through the RT (register transfer) level modules, and lead to a functional embedded system with custom I/O peripherals and hardware accelerators. Although it is an introductory text, the examples are developed in a rigorous manner, and the derivations follow strict design guidelines and coding practices used for large, complex digital systems. The new edition is completely updated. It presents the hardware design in the SoC context and introduces the hardware-software co-design concept. Instead of treating examples as isolated entities, the book integrates them into a single coherent SoC platform that allows readers to explore both hardware and software “programmability” and develop complex and interesting embedded system projects. The revised edition: Adds four general-purpose IP cores, which are multi-channel PWM (pulse width modulation) controller, I2C controller, SPI controller, and XADC (Xilinx analog-to-digital converter) controller. Introduces a music synthesizer constructed with a DDFS (direct digital frequency synthesis) module and an ADSR (attack-decay-sustain-release) envelop generator. Expands the original video controller into a complete stream-based video subsystem that incorporates a video synchronization circuit, a test pattern generator, an OSD (on-screen display) controller, a sprite generator, and a frame buffer. Introduces basic concepts of software-hardware co-design with Xilinx MicroBlaze MCS soft-core processor. Provides an overview of bus interconnect and interface circuit. Introduces basic embedded system software development. Suggests additional modules and peripherals for interesting and challenging projects. The FPGA Prototyping by VHDL Examples, Second Edition makes a natural companion text for introductory and advanced digital design courses and embedded system course. It also serves as an ideal self-teaching guide for practicing engineers who wish to learn more about this emerging area of interest.
A Geek Girl's Guide to Electronics and the Internet of Things
A straightforward demystification of electronics and the Internet of Things A Geek Girl's Guide to Electronics and the Internet of Things breaks down and simplifies electronics and the Internet of Things for the layperson. Written by a leading technical school instructor with a talent for bringing complex topics to everyday people, this book provides concrete examples and practical advice for anyone interested in building, repairing, or studying electronics and functional Internet of Things (IoT) devices. A Geek Girl's Guide to Electronics and the Internet of Things explores a wide range of topics including, among others: Ohm's and Watt's Law Series and Parallel Circuits Diodes, transistors, capacitors and relays Motors and Pulse with Modulation Using light to control electricity Photovoltaic Cells and Transducers Enhancing circuits with Arduino Connecting circuits to networks The distinguished author's website includes videos to help you build and enhance projects, along with deeper information to enrich your learning. Additionally, the book goes beyond theory and teaches readers how circuit components become IoT devices and provide the data that drive our modern world. The combination of hands-on activities and solid pedagogy ensures long-lasting retention of the material for everyone.
Fundamentals of Architectural Lighting
The theme of this book is that light is an inseparable part of architectural design, and is intended to provide students of architecture and interior design with a graphic guideline to the fundamental role lighting plays in this process. While simple light sources may be enough to satisfy practical needs, the design process must expand beyond basic illumination. The challenge for architects and designers is the creation of luminous environments offering visual interest and a sense of well-being, while also meeting basic seeing needs. Technological advances provide opportunities for the lighting designer's creative introduction of light, and the visual and psychological perceptions of the illuminated architectural environment. Fundamentals of Architectural Lighting offers a complete comprehensive guide to the basics of lighting design, equipping students and practitioners with the tools and ideas they need to master a variety of lighting techniques. The book is extensively illustrated with over 250 illustrations to demonstrate basic principles and procedures. It is an excellent resource for anyone interested in the fundamentals of integrated lighting for architectural interior spaces.