If you have the right tools, designing a microprocessor shouldn’t be complicated. The Verilog hardware description language (HDL) is one such tool. It can enable you to depict, simulate, and synthesize an electronic design, and thus increase your productivity by reducing the overall workload associated with a given project.Monte Dalrymple’s Microprocessor Design Using Verilog HDL is a practical guide to processor design in the real world. It presents the Verilog HDL in a straightforward fashion and serves as a detailed introduction to reducing the computer architecture and as an instruction set to practice. You’re led through the microprocessor design process from start to finish, and essential topics ranging from writing in Verilog to debugging and testing are laid bare.The book details the following, and more: Verilog HDL Review: data types, bit widths/labeling, operations, statements, and design hierarchy Verilog Coding Style: files vs. modules, indentation, and design organization Design Work: instruction set architecture, external bus interface, and machine cycle Microarchitecture: design spreadsheet and essential worksheets (e.g., Operation, Instruction Code, and Next State) Writing in Verilog: choosing encoding, assigning states in a state machine, and files (e.g., defines.v, hierarchy.v, machine.v) Debugging, Verification, and Testing: debugging requirements, verification requirements, testing requirements, and the test bench Post Simulation: enhancements and reduction to practice Monte Dalrymple received a BSEE (with highest honors) and an MSEE from the University of California at Berkeley, where he was elected to Phi Beta Kappa. Monte started his career at Zilog, where he designed a number of successful products, including the Serial Communication Controller (SCC) family and the Universal Serial Controller (USC) family. He was also the architect and lead designer of the Z380 microprocessor. Monte started his own company, Systemyde International Corp., in 1995, and has been doing contract design work ever since. He designed all five generations of Rabbit microprocessors, a Z180 clone that is flying on the Juno mission to Jupiter, and a Z8000 clone that flies in a commercial avionics air data computer. Monte holds 16 patents as well as both amateur and commercial radio licenses. Monte wrote 10 articles for Circuit Cellar magazine between 1996 and 2010. He recently completed a side project to replace the CPU in an HP-41C calculator with a modern FPGA-based version.

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Lorsque vous expérimentez régulièrement avec le Raspberry Pi et que vous connectez une variété de matériel externe au port GPIO via le connecteur, il se peut que vous ayez causé des dommages par le passé. La carte tampon Raspberry Pi d'Elektor est là pour éviter cela ! La carte est compatible avec les Raspberry Pi Zero, Zero 2 (W), 3, 4, 5, 400 et 500. Les 26 GPIO sont protégées par des convertisseurs de tension bidirectionnels afin de protéger le Raspberry Pi lors de l'expérimentation de nouveaux circuits. Le circuit imprimé est destiné à être inséré à l'arrière du Raspberry Pi 400/500. Le connecteur à connecter au Raspberry Pi est un réceptacle 40 voies à angle droit (2x20). La platine est seulement un peu plus large. Un câble plat à 40 voies avec des connecteurs 2x20 appropriés peut être connecté au connecteur de sortie du tampon pour expérimenter avec par exemple un circuit sur une plaque d’expérimentation ou sur une platine. Le circuit utilise 4x circuits intégrés TXS0108E de Texas Instruments. Le circuit imprimé peut également être monté sur un Raspberry Pi. Téléchargements Schematics Layout

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Réalisez vos propres projets avec la carte d'apprentissage Elektor Arduino Nano MCCAB Le microcontrôleur est probablement le sous-domaine le plus fascinant de l'électronique. Grâce à la multitude de fonctions qu'il combine sur sa puce, il constitue un outil universel permettant aux développeurs de réaliser leurs projets. Pratiquement tous les appareils d'usage quotidien sont aujourd'hui dotés d'un microcontrôleur. Cependant, pour un débutant en électronique, réaliser ses propres idées avec un microcontrôleur est resté jusqu'à présent une chimère en raison de sa complexité. Le concept Arduino a largement simplifié l'utilisation des microcontrôleurs, de sorte que même les débutant peuvent désormais réaliser leurs propres idées électroniques avec un microcontrôleur. Livre et matériel dans un pack : apprendre par la pratique Ce livre, qui est inclus dans le pack, montre comment vous pouvez réaliser vos propres projets avec un microcontrôleur, même sans grande expérience en électronique et en langages de programmation. Il s'agit d'un cours pratique sur les microcontrôleurs pour débutants, car après un aperçu des éléments internes du microcontrôleur et une introduction au langage de programmation C, le cours se concentre sur les exercices pratiques. Le lecteur acquiert les connaissances nécessaires en apprenant par la pratique : dans la vaste section pratique comprenant 12 projets et 46 exercices, ce qui est appris dans la première partie du livre est étayé par de nombreux exemples. Les exercices sont structurés de telle sorte que l'utilisateur se voit confier une tâche à résoudre en utilisant les connaissances acquises dans la partie théorique du livre. Chaque exercice est suivi d'un exemple de solution qui est expliqué et commenté en détail, ce qui aide l'utilisateur à résoudre les problèmes et à les comparer avec sa propre solution. Arduino IDE L'Arduino IDE est un environnement de développement logiciel qui peut être téléchargé gratuitement sur votre PC et qui contient l'ensemble des logiciels nécessaires à la réalisation de vos propres projets de microcontrôleurs. Vous écrivez vos programmes (sketch) avec l'éditeur de l'IDE dans le langage de programmation C. Vous les traduisez en bits et octets que le microcontrôleur comprend à l'aide du compilateur intégré à l'IDE Arduino, puis vous les chargez dans la mémoire du microcontrôleur sur la carte d'apprentissage Elektor Arduino MCCAB Nano à l'aide d'un câble USB. Interroger ou contrôler des capteurs, des moteurs ou des ensembles externes Outre un module microcontrôleur Arduino Nano, la carte d'apprentissage Elektor Arduino Nano MCCAB contient tous les composants nécessaires aux exercices, tels que des diodes électroluminescentes, des interrupteurs, des boutons-poussoirs, des émetteurs de signaux acoustiques, etc. Ce système de formation à microcontrôleur permet également d'interroger ou de commander des capteurs, des moteurs ou des assemblages externes. Spécifications (Carte de formation Arduino Nano MCCAB) Alimentation électrique Via la connexion USB du PC connecté ou un bloc d'alimentation externe (non inclus) Tension de fonctionnement +5 Vcc Tension d'entrée Toutes les entrées 0 V to +5 V VX1 and VX2 +8 V to +12 V (uniquement en cas d'utilisation d'une alimentation externe) Périphérie du matériel LCD 2x16 caractères Potentiomètre P1 & P2 JP3 : sélection de la tension de fonctionnement de P1 et P2 Distributeur SV4 : Distributeur pour les tensions de fonctionnementSV5, SV6 : Distributeur pour les entrées/sorties du microcontrôleur Interrupteurs et boutons Bouton RESET sur le module Arduino Nano 6x interrupteurs à bouton poussoir K1 ... K6 6x interrupteurs à glissière S1 ... S6 JP2 : Connexion des interrupteurs avec les entrées du microcontrôleur Buzzer Buzzer piézo Buzzer1 avec cavalier sur JP6 Voyants lumineux 11 x LED : Indicateur d'état des entrées/sorties LED L sur le module Arduino Nano, connectée au GPIO D13 JP6 : Connexion des LED LD10 ... LD20 avec les GPIO D2 ... D12 Interfaces sérieSPI ET I²C JP4 : Sélection du signal à la broche X du connecteur SPI SV12 SV9 à SV12 : interface SPI (3,3 V/5 V) ou interface I²C Sortie de commutation pour les appareils externes SV1, SV7 : sortie de commutation (maximum +24 V/160 mA, alimentation externe) SV2 : 2x13 connecteurs pour la connexion de modules externes Matrice de 3x3 LED(9 LED rouges) SV3 : Colonnes de la matrice LED 3x3 (sorties D6 ... D8) JP1 : Connexion des lignes avec les GPIOs D3 ... D5 Logiciel Bibliothèque MCCABLib Contrôle des composants matériels (interrupteurs, boutons, DEL, matrice de DEL 3x3, buzzer) sur la carte de formation MCCAB. Température de fonctionnement Jusqu'à +40 °C Dimensions 100 x 100 x 20 mm Spécifications (Arduino Nano) Microcontrôleur ATmega328P Architecture AVR Tension de fonctionnement 5 V Mémoire flash 32 Ko, dont 2 Ko utilisés par le chargeur de démarrage SRAM 2 KB Vitesse d'horloge 16 MHz Connecteurs d'entrée analogique 8 EEPROM 1 KB Courant continu par connecteur d'E/S 40 mA sur un connecteur d'E/S, maximum total de 200 mA sur l'ensemble des connecteurs Tension d'entrée 7-12 V Connecteurs E/S numériques 22 (dont 6 PWM) Sortie PWMt 6 Consommation électrique 19 mA Dimensions 18 x 45 mm Poids 7 g Inclus Elektor Arduino Nano MCCAB Training Board Arduino Nano Livre : Microcontrollers Hands-on Course for Arduino Starters

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Jan Didden a créé Linear Audio en 2010 et a publié 14 volumes entre 2010 et 2017. Chaque volume de 200 pages contient en moyenne 10 articles rédigés par des auteurs experts dans le domaine de l'audio, de l'acoustique et de l'instrumentation. Que vous vous intéressiez aux amplificateurs à tubes, aux équipements à semi-conducteurs, à la conception de haut-parleurs, à la distorsion des condensateurs et des résistances ou à la mesure de la distorsion, vous y trouverez certainement des conseils utiles et des réflexions intéressantes. Du niveau débutant au niveau avancé, pour le professionnel de l'audio ou l'amateur sérieux, cette collection d'experts vous permettra d'améliorer votre compréhension et vous offrira de nouvelles perspectives sur des problématiques courantes. Le contenu bonus inclus dans cette collection est constitué d'une série YouTube en 5 parties sur le feedback négatif appliqué à l'audio par l'auteur renommé Jan Didden, en plus de neuf articles et présentations audio de référence. Si vous vous intéressez sérieusement à l'audio, à l'acoustique et à l'instrumentation, ne manquez pas cette collection ! Le contenu publié est indexé et entièrement consultable et constituera une ressource presque illimitée pour l'avenir. Vous pouvez en savoir plus sur les auteurs deLinear Audio et la table des matières de chaque volume à linearaudio.net.

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Quelles que soient les méthodes ou même les moyens financiers dont vous disposez pour faire fonctionner vos circuits, l'alimentation électrique doit figurer en bonne place, voire numéro un, dans vos considérations. Le bloc de conception simplement appelé « alimentation » est extrêmement sous-estimé, tant dans la création que dans la réparation de produits électroniques. Pourtant, le « PSU » présente une énorme diversité et se présente sous des formes très différentes comme AC/DC, générateur, batterie (rechargeable ou non), panneau photovoltaïque, de table, linéaire ou à découpage, pour n'en citer que quelques-uns. Les plages de sortie sont également stupéfiantes, du nano-ampère au kiloampère et il en va de même pour les tensions. Ce spécial couvre les caractéristiques et les aspects de conception des alimentations. Contenu Les bases Gestion de la batterie Ce qu'il faut savoir lors de l'utilisation de piles (au lithium). Alimentation à tension fixe utilisant des régulateurs linéaires Le meilleur résultat juste après les piles. Récupération d'énergie lumineuse Un petit panneau solaire est utilisé dans un projet de récupération d'énergie pour gérer et charger quatre cellules AAA. Conception de l'adaptateur alimenté par secteur Circuits de base et conseils pour transformateurs, redressement, filtrage et stabilisation. Démarrage progressif LM317 L'impulsion de courant d'appel élevée doit être évitée. Redresseurs contrôlables Quelques suggestions pour maintenir la perte de puissance dans le régulateur linéaire aussi faible que possible. Composants Feuille de travail : Les régulateurs de tension LM117 / LM217 / LM317 Supercapsules Basse tension mais beaucoup de courant… ou pas ? Commentaires Kit d'alimentation de table JOY-iT RD6006 Charge électronique CC programmable Siglent SDL1020X Projets Centrale électrique du balcon Balcon solaire DIY = retour sur investissement rapide ! Kit de compresseur LiPo DIY De l'artisanat au marché de masse Thyristor MOSFET à double anode Plus rapide et moins coûteux que l'ancien SCR Presse-agrumes à batterie Ne jetez pas, pressez ! Alimentation haute tension avec traceur de courbe Générez des tensions jusqu'à 400 V et tracez des courbes caractéristiques pour les vannes et les transistors Alimentation haute tension pour RIAA Pour préamplis à lampes RIAA et autres applications. MicroApprovisionnement Une alimentation de laboratoire pour les appareils connectés Alimentation fantôme utilisant des condensateurs commutés Tripleur de tension utilisant trois circuits intégrés L'alimentation à découpage SMPS800RE pour l'Elektor Fortissimo-100 Fiable, léger et abordable Démarrage progressif pour bloc d'alimentation Soyez gentil avec votre alimentation – et sa charge UniLab 2 Alimentation de laboratoire compacte à découpage 0-30 V, 3 A Conseils Démarrage progressif pour les régulateurs à découpage abaisseurs Limite de courant de perte faible Batterie externe Surprise Un terrain virtuel Mainteneur de batterie Déchargeur de batterie Connexion des régulateurs de tension en parallèle

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A Fast-Lane Ride From Concept to Project The core of the book explains the use of the Raspberry Pi Zero 2 W running the Python programming language, always in simple terms and backed by many tested and working example projects. On part of the reader, familiarity with the Python programming language and some experience with one of the Raspberry Pi computers will prove helpful. Although previous electronics experience is not required, some knowledge of basic electronics is beneficial, especially when venturing out to modify the projects for your own applications. Over 30 tested and working hardware-based projects are given in the book, covering the use of Wi-Fi, communication with smartphones and with a Raspberry Pi Pico W computer. Additionally, there are Bluetooth projects including elementary communication with smartphones and with the popular Arduino Uno. Both Wi-Fi and Bluetooth are key features of the Raspberry Pi Zero 2 W. Some of the topics covered in the book are: Raspberry Pi OS installation on an SD card Python program creation and execution on the Raspberry Pi Zero 2 W Software-only examples of Python running on the Raspberry Pi Zero 2 W Hardware-based projects including LCD and Sense HAT interfacing UDP and TCP Wi-Fi based projects for smartphone communication UDP-based project for Raspberry Pi Pico W communication Flask-based webserver project Cloud storage of captured temperature, humidity, and pressure data TFT projects Node-RED projects Interfacing to Alexa MQTT projects Bluetooth-based projects for smartphone and Arduino Uno communications

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This book discusses the basic components of any alarm system. All alarm systems have two basic functions. First, they monitor their environment looking for a change such as a door or window opening or someone moving about in the room. Second, they alert the legal owner or user to this change. The system described in this book uses a scanning type software to detect intruders. It behaves like a guard dog, pacing up and down the fence line on the lookout for either an intruder or a familiar person. If you have an alarm key, you can disarm the system and enter. With the scanning method, the software is easy to write and explain. It can scan eight alarm zones plus two special fire zones in about one second. You don’t have to be an electrical engineer to install an alarm system, just a decent carpenter, painter, and plasterer! Because this alarm system runs on 12 volts, you don’t have to be a licensed electrician either to install it. The alarm system presented here uses Python software on the Raspberry Pi combined with some elementary electronic circuits. The code described in the book, as well as CAD files and a bill of materials for the alarm panel, are available for free downloading. The book provides the reader with examples of typical configurations coming straight from the author‘s experience. After reviewing the hardware components typically used in common alarm systems, the author shows how to plan one yourself. To implement a modular alarm, no matter if it is for a single house or for a business or restaurant, the book shows how to skillfully combine a Raspberry Pi with small auxiliary electronic circuits. These are not installation instructions but food for thought that will enable readers to find a solution to their needs.

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Projects with Arduino Uno & Raspberry Pi with Examples for the MCP2515 CAN Bus Interface Module This book details the use of the Arduino Uno and the Raspberry Pi 4 in practical CAN bus based projects. Using either the Arduino Uno or the Raspberry Pi with off-the-shelf CAN bus interface modules considerably ease developing, debugging, and testing CAN bus based projects. This book is written for students, practicing engineers, enthusiasts, and for everyone else wanting to learn more about the CAN bus and its applications. The book assumes that the reader has some knowledge of basic electronics. Knowledge of the C and Python programming languages and programming the Arduino Uno using its IDE and Raspberry Pi will be useful, especially if the reader intends to develop microcontroller-based projects using the CAN bus. The book should be a useful source of reference material for anyone interested in finding answers to questions such as: What bus systems are available for the automotive industry? What are the principles of the CAN bus? How can I create a physical CAN bus? What types of frames (or data packets) are available in a CAN bus system? How can errors be detected in a CAN bus system and how dependable is a CAN bus system? What types of CAN bus controllers exist? How do I use the MCP2515 CAN bus controller? How do I create 2-node Arduino Uno-based CAN bus projects? How do I create 3-node Arduino Uno-based CAN bus projects? How do I set the acceptance masks and acceptance filters? How do I analyze data on the CAN bus? How do I create 2-node Raspberry Pi-based CAN bus projects? How do I create 3-node Raspberry Pi-based CAN bus projects?

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This book details the use of the Arduino Uno and the Raspberry Pi 4 in practical CAN bus based projects. Using either the Arduino Uno or the Raspberry Pi with off-the-shelf CAN bus interface modules considerably ease developing, debugging, and testing CAN bus based projects. This book is written for students, practicing engineers, enthusiasts, and for everyone else wanting to learn more about the CAN bus and its applications. The book assumes that the reader has some knowledge of basic electronics. Knowledge of the C and Python programming languages and programming the Arduino Uno using its IDE and Raspberry Pi will be useful, especially if the reader intends to develop microcontroller-based projects using the CAN bus. The book should be a useful source of reference material for anyone interested in finding answers to questions such as: What bus systems are available for the automotive industry? What are the principles of the CAN bus? How can I create a physical CAN bus? What types of frames (or data packets) are available in a CAN bus system? How can errors be detected in a CAN bus system and how dependable is a CAN bus system? What types of CAN bus controllers exist? How do I use the MCP2515 CAN bus controller? How do I create 2-node Arduino Uno-based CAN bus projects? How do I create 3-node Arduino Uno-based CAN bus projects? How do I set the acceptance masks and acceptance filters? How do I analyze data on the CAN bus? How do I create 2-node Raspberry Pi-based CAN bus projects? How do I create 3-node Raspberry Pi-based CAN bus projects?

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Learn programming for Alexa devices, extend it to smart home devices and control the Raspberry Pi The book is split into two parts: the first part covers creating Alexa skills and the second part, designing Internet of Things and Smart Home devices using a Raspberry Pi. The first chapters describe the process of Alexa communication, opening an Amazon account and creating a skill for free. The operation of an Alexa skill and terminology such as utterances, intents, slots, and conversations are explained. Debugging your code, saving user data between sessions, S3 data storage and Dynamo DB database are discussed. In-skill purchasing, enabling users to buy items for your skill as well as certification and publication is outlined. Creating skills using AWS Lambda and ASK CLI is covered, along with the Visual Studio code editor and local debugging. Also covered is the process of designing skills for visual displays and interactive touch designs using Alexa Presentation Language. The second half of the book starts by creating a Raspberry Pi IoT 'thing' to control a robot from your Alexa device. This covers security issues and methods of sending and receiving MQTT messages between an Alexa device and the Raspberry Pi. Creating a smart home device is described including forming a security profile, linking with Amazon, and writing a Lambda function that gets triggered by an Alexa skill. Device discovery and on/off control is demonstrated. Next, readers discover how to control a smart home Raspberry Pi display from an Alexa skill using Simple Queue Service (SQS) messaging to switch the display on and off or change the color. A node-RED design is discussed from the basic user interface right up to configuring MQTT nodes. MQTT messages sent from a user are displayed on a Raspberry Pi. A chapter discusses sending a proactive notification such as a weather alert from a Raspberry Pi to an Alexa device. The book concludes by explaining how to create Raspberry Pi as a stand-alone Alexa device.

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Affordable solutions with the ESP8266 and 3D printing If you are looking for a small yet powerful IoT device, you are likely to come across the ESP8266 and compatible products on the market today. One of these, the Wemos/Lolin D1 Mini Pro board strikes a remarkable balance between cost and performance. A small and very affordable prototype board, the D1 Mini Pro stands out with its WiFi functionality and a 16-Mbytes flash memory for easy creation of a flash file system. In addition, there are sufficient input and output pins (only one analog input though) to support PWM, I²C, and One-Wire systems to mention but a few. The book describes the operation, modding, construction, and programming of home appliances including a colorful smart home accessory, a refrigerator/greenhouse controller, an AC powerline monitor, a door lock monitor, and an IKEA Trådfri controller. As a benefit, all firmware developed for these DIY, "IoT-ized" devices can be updated over-the-air (OTA). For most of the designs in the book, a small printed circuit board (PCB) and an enclosure are presented so readers can have a finished and attractive-looking product. Readers having – or with access to! – a 3D printer can "print" the suggested enclosures at home or in a shop. Some of the constructions benefit from a Raspberry Pi configured as a gateway or cms server. This is also described in detail with all the necessary configuring. You don’t need to be an expert but the prerequisites to successful replication of the projects include basic skills with PC software including the ability to surf the Internet. In terms of hardware, you should be comfortable with soldering and generally assembling the PCBs presented in the book. All custom software written for the IoT devices, the PCB layouts, and 3D print files described in the book are available for free downloading.

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Program, build, and master 60+ projects with the Wireless RP2040 The Raspberry Pi Pico and Pico W are based on the fast, efficient, and low-cost dual-core ARM Cortex M0+ RP2040 microcontroller chip running at up to 133 MHz and sporting 264 KB of SRAM and 2 MB of Flash memory. Besides spacious memory, the Pico and Pico W offer many GPIO pins, and popular peripheral interface modules like ADC, SPI, I²C, UART, PWM, timing modules, a hardware debug interface, and an internal temperature sensor. The Raspberry Pi Pico W additionally includes an on-board Infineon CYW43439 Bluetooth and Wi-Fi chipset. At the time of writing this book, the Bluetooth firmware was not yet available. Wi-Fi is however fully supported at 2.4 GHz using the 802.11b/g/n protocols. This book is an introduction to using the Raspberry Pi Pico W in conjunction with the MicroPython programming language. The Thonny development environment (IDE) is used in all of the 60+ working and tested projects covering the following topics: Installing the MicroPython on Raspberry Pi Pico using a Raspberry Pi or a PC Timer interrupts and external interrupts Analogue-to-digital converter (ADC) projects Using the internal temperature sensor and external sensor chips Using the internal temperature sensor and external temperature sensor chips Datalogging projects PWM, UART, I²C, and SPI projects Using Bluetooth, WiFi, and apps to communicate with smartphones Digital-to-analogue converter (DAC) projects All projects are tried & tested. They can be implemented on both the Raspberry Pi Pico and Raspberry Pi Pico W, although the Wi-Fi-based subjects will run on the Pico W only. Basic programming and electronics experience are required to follow the projects. Brief descriptions, block diagrams, detailed circuit diagrams, and full MicroPython program listings are given for all projects.

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Program, build, and master 60+ projects with the Wireless RP2040 The Raspberry Pi Pico and Pico W are based on the fast, efficient, and low-cost dual-core ARM Cortex M0+ RP2040 microcontroller chip running at up to 133 MHz and sporting 264 KB of SRAM and 2 MB of Flash memory. Besides spacious memory, the Pico and Pico W offer many GPIO pins, and popular peripheral interface modules like ADC, SPI, I²C, UART, PWM, timing modules, a hardware debug interface, and an internal temperature sensor. The Raspberry Pi Pico W additionally includes an on-board Infineon CYW43439 Bluetooth and Wi-Fi chipset. At the time of writing this book, the Bluetooth firmware was not yet available. Wi-Fi is however fully supported at 2.4 GHz using the 802.11b/g/n protocols. This book is an introduction to using the Raspberry Pi Pico W in conjunction with the MicroPython programming language. The Thonny development environment (IDE) is used in all of the 60+ working and tested projects covering the following topics: Installing the MicroPython on Raspberry Pi Pico using a Raspberry Pi or a PC Timer interrupts and external interrupts Analogue-to-digital converter (ADC) projects Using the internal temperature sensor and external sensor chips Using the internal temperature sensor and external temperature sensor chips Datalogging projects PWM, UART, I²C, and SPI projects Using Bluetooth, WiFi, and apps to communicate with smartphones Digital-to-analogue converter (DAC) projects All projects are tried & tested. They can be implemented on both the Raspberry Pi Pico and Raspberry Pi Pico W, although the Wi-Fi-based subjects will run on the Pico W only. Basic programming and electronics experience are required to follow the projects. Brief descriptions, block diagrams, detailed circuit diagrams, and full MicroPython program listings are given for all projects.

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This book contains more than 400 simple electronic circuits which are developed and tested in practice by the authors. The technical solutions presented in the book are intended to stimulate the creative imagination of readers and broaden their area of thought. This should allow readers to look beyond the horizons of possibilities and use ordinary electronic items in a new way. This book includes new and original radio electronic multipurpose circuits. The chapters of the book are devoted to power electronics and measuring equipment and contain numerous original circuits of generators, amplifiers, filters, electronic switches based on thyristors and CMOS switch elements. Wired and wireless systems as well as security and safety systems are presented. Due to the high relevance and increased interest of readers in little-known or not readily available information, the different chapters of this book describe the use of electronic devices in industrial electronics and for research, as well as new instruments and equipment for medical use, gas-discharge and Kirlian photography. A number of technical devices presented in this book are related to research of the mysteries of the earth, nature and human beings by using radio electronic devices. This book will be useful for both radio amateurs and professionals.

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Plot, Cut, Drill, Mill and Laser with the Z99 This book covers the construction, hardware, software, and operation of the Z99 – CNC machine. This is a multifunctional 4-axis machine for home construction. The capabilities of the Z99 machine include: large-format schematic plotting PCB plotting with etch-resist pens schematic plotting with conductive-ink pens letter cutting out of vinyl paper cutting PCB/substrate drilling PCB/substrate milling text milling laser engraving laser cutting of solder paste masks By making the support software available as freeware, readers of the book are challenged and encouraged to develop new applications for the Z99. The machine would not be of much use if the user has no option to create suitable files for the designs in mind. A large part of this book is dedicated to creating source files in a variety of freeware software packages, including Inkscape, DesignSpark PCB, KiCad, and FlatCAM. The book is also useful for readers keen to comprehend and then master the basic structure of HPGL, Gerber, Drill, and G-code files, as well as to have a go at deciphering them using software.

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With the availability of free and open source C/C++ compilers today, you might wonder why someone would be interested in assembler language. What is so compelling about the RISC-V Instruction Set Architecture (ISA)? How does RISC-V differ from existing architectures? And most importantly, how do we gain experience with the RISC-V without a major investment? Is there affordable hardware available? The availability of the Espressif ESP32-C3 chip provides a way to get hands-on experience with RISC-V. The open sourced QEMU emulator adds a 64-bit experience in RISC-V under Linux. These are just two ways for the student and enthusiast alike to explore RISC-V in this book. The projects in this book are boiled down to the barest essentials to keep the assembly language concepts clear and simple. In this manner you will have “aha!” moments rather than puzzling about something difficult. The focus in this book is about learning how to write RISC-V assembly language code without getting bogged down. As you work your way through this tutorial, you’ll build up small demonstration programs to be run and tested. Often the result is some simple printed messages to prove a concept. Once you’ve mastered these basic concepts, you will be well equipped to apply assembly language in larger projects.

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The Arduino Uno is an open-source microcontroller development system encompassing hardware, an Integrated Development Environment (IDE), and a vast number of libraries. It is supported by an enormous community of programmers, electronic engineers, enthusiasts, and academics. The libraries in particular really smooth Arduino programming and reduce programming time. What’s more, the libraries greatly facilitate testing your programs since most come fully tested and working. The Raspberry Pi 4 can be used in many applications such as audio and video media devices. It also works in industrial controllers, robotics, games, and in many domestic and commercial applications. The Raspberry Pi 4 also offers Wi-Fi and Bluetooth capability which makes it great for remote and Internet-based control and monitoring applications. This book is about using both the Raspberry Pi 4 and the Arduino Uno in PID-based automatic control applications. The book starts with basic theory of the control systems and feedback control. Working and tested projects are given for controlling real-life systems using PID controllers. The open-loop step time response, tuning the PID parameters, and the closed-loop time response of the developed systems are discussed together with the block diagrams, circuit diagrams, PID controller algorithms, and the full program listings for both the Raspberry Pi and the Arduino Uno. The projects given in the book aim to teach the theory and applications of PID controllers and can be modified easily as desired for other applications. The projects given for the Raspberry Pi 4 should work with all other models of Raspberry Pi family. The book covers the following topics: Open-loop and closed-loop control systems Analog and digital sensors Transfer functions and continuous-time systems First-order and second-order system time responses Discrete-time digital systems Continuous-time PID controllers Discrete-time PID controllers ON-OFF temperature control with Raspberry Pi and Arduino Uno PID-based temperature control with Raspberry Pi and Arduino Uno PID-based DC motor control with Raspberry Pi and Arduino Uno PID-based water level control with Raspberry Pi and Arduino Uno PID-based LED-LDR brightness control with Raspberry Pi and Arduino Uno

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The Arduino Uno is an open-source microcontroller development system encompassing hardware, an Integrated Development Environment (IDE), and a vast number of libraries. It is supported by an enormous community of programmers, electronic engineers, enthusiasts, and academics. The libraries in particular really smooth Arduino programming and reduce programming time. What’s more, the libraries greatly facilitate testing your programs since most come fully tested and working. The Raspberry Pi 4 can be used in many applications such as audio and video media devices. It also works in industrial controllers, robotics, games, and in many domestic and commercial applications. The Raspberry Pi 4 also offers Wi-Fi and Bluetooth capability which makes it great for remote and Internet-based control and monitoring applications. This book is about using both the Raspberry Pi 4 and the Arduino Uno in PID-based automatic control applications. The book starts with basic theory of the control systems and feedback control. Working and tested projects are given for controlling real-life systems using PID controllers. The open-loop step time response, tuning the PID parameters, and the closed-loop time response of the developed systems are discussed together with the block diagrams, circuit diagrams, PID controller algorithms, and the full program listings for both the Raspberry Pi and the Arduino Uno. The projects given in the book aim to teach the theory and applications of PID controllers and can be modified easily as desired for other applications. The projects given for the Raspberry Pi 4 should work with all other models of Raspberry Pi family. The book covers the following topics: Open-loop and closed-loop control systems Analog and digital sensors Transfer functions and continuous-time systems First-order and second-order system time responses Discrete-time digital systems Continuous-time PID controllers Discrete-time PID controllers ON-OFF temperature control with Raspberry Pi and Arduino Uno PID-based temperature control with Raspberry Pi and Arduino Uno PID-based DC motor control with Raspberry Pi and Arduino Uno PID-based water level control with Raspberry Pi and Arduino Uno PID-based LED-LDR brightness control with Raspberry Pi and Arduino Uno

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Contents Projects PicoVoiceVoice alienation and sound effects with the Raspberry Pi Pico Navigation with Vibration Feedback POV Display Pulse Width Modulation (PWM) with the Raspberry Pi Pico Wi-Fi with the Raspberry Pi Pico 'Hello World' from the Raspberry Pi Pico and RP2040A look at the Raspberry Pi Foundation’s first microcontroller Simple On-Off Temperature Controller with Raspberry Pi HAT Multitasking with the Raspberry PiShowcase: a traffic lights controller The Raspberry Pi Ruler GadgetFun with a time-of-flight sensor Raspberry Pi Buffer Board (Mk. 1)Never blow up the I/O again FM radio with RDSA top HAT project for the Raspberry Pi LoRa with the Raspberry Pi PicoFun with MicroPython! Tutorials Qt for the Raspberry Pi Raspberry Pi Pico Programmingwith MicroPython and Thonny Raspberry Pi Full StackRPi and RF24 at the heart of a sensor network Raspberry Pi Bash Command Cheat Sheet Community Java on the Raspberry PiAn interview with Frank Delporte Reviews Introducing the New Raspberry Pi Pico W, H, and WH Secure Boot Solution for Raspberry PiRetrofit security at a reasonable price Review: SmartPi – Smart Meter Extension for Raspberry Pi Review: The Enviro+ Raspberry Pi HATMeasuring environmental data with Raspberry Pi and the HAT Enviro+ Review: Meet the Raspberry Pi 4All new but still good? Raspberry Pi Gets a Fast 3.5' Touch DisplayMore power at no extra charge Book Launch: Raspberry Pi for Radio Amateurs

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Clever Tricks with ATmega328 Pro Mini Boards With a simple Pro Mini board and a few other components, projects that 20 or 30 years ago were unthinkable (or would have cost a small fortune) are realized easily and affordably in this book: From simple LED effects to a full battery charging and testing station that will put a rechargeable through its paces, there’s something for everyone. All the projects are based on the ATmega328 microcontroller, which offers endless measuring, switching, and control options with its 20 input and output lines. For example, with a 7-segment display and a few resistors, you can build a voltmeter or an NTC-based thermometer. The Arduino platform offers the perfect development environment for programming this range of boards. Besides these very practical projects, the book also provides the necessary knowledge for you to create projects based on your own ideas. How to measure, and what? Which transistor is suitable for switching a certain load? When is it better to use an IC? How do you switch mains voltage? Even LilyPad-based battery-operated projects are discussed in detail, as well as many different motors, from simple DC motors to stepper motors. Sensors are another exciting topic: For example, a simple infrared receiver that can give disused remote controls a new lease on life controlling your home, and a tiny component that can actually measure the difference in air pressure between floor and table height!

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Get Cracking with the Arduino Nano V3, Nano Every, and Nano 33 IoT The seven chapters in this book serve as the first step for novices and microcontroller enthusiasts wishing to make a head start in Arduino programming. The first chapter introduces the Arduino platform, ecosystem, and existing varieties of Arduino Nano boards. It also teaches how to install various tools needed to get started with Arduino Programming. The second chapter kicks off with electronic circuit building and programming around your Arduino. The third chapter explores various buses and analog inputs. In the fourth chapter, you get acquainted with the concept of pulse width modulation (PWM) and working with unipolar stepper motors. In the fifth chapter, you are sure to learn about creating beautiful graphics and basic but useful animation with the aid of an external display. The sixth chapter introduces the readers to the concept of I/O devices such as sensors and the piezo buzzer, exploring their methods of interfacing and programming with the Arduino Nano. The last chapter explores another member of Arduino Nano family, Arduino Nano 33 IoT with its highly interesting capabilities. This chapter employs and deepens many concepts learned from previous chapters to create interesting applications for the vast world of the Internet of Things. The entire book follows a step-by-step approach to explain concepts and the operation of things. Each concept is invariably followed by a to-the-point circuit diagram and code examples. Next come detailed explanations of the syntax and the logic used. By closely following the concepts, you will become comfortable with circuit building, Arduino programming, the workings of the code examples, and the circuit diagrams presented. The book also has plenty of references to external resources wherever needed. An archive file (.zip) comprising the software examples and Fritzing-style circuit diagrams discussed in the book may be downloaded free of charge below.

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For Raspberry Pi, ESP32 and nRF52 with Python, Arduino and Zephyr Bluetooth Low Energy (BLE) radio chips are ubiquitous from Raspberry Pi to light bulbs. BLE is an elaborate technology with a comprehensive specification, but the basics are quite accessible. A progressive and systematic approach will lead you far in mastering this wireless communication technique, which is essential for working in low power scenarios. In this book, you’ll learn how to: Discover BLE devices in the neighborhood by listening to their advertisements. Create your own BLE devices advertising data. Connect to BLE devices such as heart rate monitors and proximity reporters. Create secure connections to BLE devices with encryption and authentication. Understand BLE service and profile specifications and implement them. Reverse engineer a BLE device with a proprietary implementation and control it with your own software. Make your BLE devices use as little power as possible. This book shows you the ropes of BLE programming with Python and the Bleak library on a Raspberry Pi or PC, with C++ and NimBLE-Arduino on Espressif’s ESP32 development boards, and with C on one of the development boards supported by the Zephyr real-time operating system, such as Nordic Semiconductor's nRF52 boards. Starting with a very little amount of theory, you’ll develop code right from the beginning. After you’ve completed this book, you’ll know enough to create your own BLE applications.

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For Raspberry Pi, ESP32 and nRF52 with Python, Arduino and Zephyr Bluetooth Low Energy (BLE) radio chips are ubiquitous from Raspberry Pi to light bulbs. BLE is an elaborate technology with a comprehensive specification, but the basics are quite accessible. A progressive and systematic approach will lead you far in mastering this wireless communication technique, which is essential for working in low power scenarios. In this book, you’ll learn how to: Discover BLE devices in the neighborhood by listening to their advertisements. Create your own BLE devices advertising data. Connect to BLE devices such as heart rate monitors and proximity reporters. Create secure connections to BLE devices with encryption and authentication. Understand BLE service and profile specifications and implement them. Reverse engineer a BLE device with a proprietary implementation and control it with your own software. Make your BLE devices use as little power as possible. This book shows you the ropes of BLE programming with Python and the Bleak library on a Raspberry Pi or PC, with C++ and NimBLE-Arduino on Espressif’s ESP32 development boards, and with C on one of the development boards supported by the Zephyr real-time operating system, such as Nordic Semiconductor's nRF52 boards. Starting with a very little amount of theory, you’ll develop code right from the beginning. After you’ve completed this book, you’ll know enough to create your own BLE applications.

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La plupart des gens sont de plus en plus confrontés aux applications de l’intelligence artificielle (IA). Les classements de musique ou de vidéo, les systèmes de navigation, les conseils d'achat, etc. reposent sur des méthodes qui peuvent être attribuées à ce domaine. Le terme intelligence artificielle a été inventé en 1956 lors d’une conférence internationale connue sous le nom de Dartmouth Summer Research Project. Une approche fondamentale consistait à modéliser le fonctionnement du cerveau humain et à construire des systèmes informatiques avancés sur cette base. Bientôt, le fonctionnement de l’esprit humain devrait être clair. Le transférer sur une machine n’était considéré qu’une petite étape. Cette notion s'est avérée un peu trop optimiste. Néanmoins, les progrès de l’IA moderne, ou plutôt de sa sous-spécialité appelée Machine Learning (ML), ne peuvent plus être niés. Dans ce livre, plusieurs systèmes différents seront utilisés pour connaître plus en détail les méthodes d’apprentissage automatique. En plus du PC, le Raspberry Pi et le Maixduino démontreront leurs capacités dans les différents projets. Outre des applications telles que la reconnaissance d'objets et de visages, des systèmes pratiques tels que des détecteurs de bouteilles, des compteurs de personnes ou un « œil qui parle » seront également créés. Ce dernier est capable de décrire acoustiquement des objets ou des visages détectés automatiquement. Par exemple, si un véhicule se trouve dans le champ de vision de la caméra connectée, l'information « Je vois une voiture ! est émis via une parole générée électroniquement. De tels appareils sont des exemples très intéressants de la manière dont, par exemple, les personnes aveugles ou gravement malvoyantes peuvent également bénéficier des systèmes d’IA.

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