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Practical Introduction to 3D Modeling from Enclosure to Front Panel Embedding a vintage component, creating a professional looking home for a circuit board, or even designing a complex apparatus complete with a chassis – these and many other challenges turn into a stimulating pleasure with FreeCAD. Once you have internalized the basic processes, there are virtually no limits to your imagination. Starting to use a new software is never straightforward – especially with a tool as versatile as FreeCAD. Manageable, but at the same time easily usable individual components provide the starting point in this book. Putting these components together later results in assemblies. In the FreeCAD universe, a workable trajectory is demonstrated. The described procedure is illustrative so the examples are easily applied to custom tasks. The devices were made by the author and illustrated with photos. Creating a 3D design is requiring some effort but the initial investment pays off soon. Besides the impressive spatial representation of the projects, the extracted drawings yield a solid base for documentation and production. Extended FreeCAD capabilities like the unfolding of sheet metal parts enormously add to efficiency and pushes models forward into practical assembly. Soon you will definitely not want to do without FreeCAD!

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Program and build Arduino-based ham station utilities, tools, and instruments In addition to a detailed introduction to the exciting world of the Arduino microcontroller and its many variants, this book introduces you to the shields, modules, and components you can connect to the Arduino. Many of these components are discussed in detail and used in the projects included in this book to help you understand how these components can be incorporated into your own Arduino projects. Emphasis has been placed on designing and creating a wide range of amateur radio-related projects that can easily be built in just a few days. This book is written for ham radio operators and Arduino enthusiasts of all skill levels, and includes discussions about the tools, construction methods, and troubleshooting techniques used in creating amateur radio-related Arduino projects. The book teaches you how to create feature-rich Arduino-based projects, with the goal of helping you to advance beyond this book, and design and build your own ham radio Arduino projects. In addition, this book describes in detail the design, construction, programming, and operation of the following projects: CW Beacon and Foxhunt Keyer Mini Weather Station RF Probe with LED Bar Graph DTMF Tone Encoder DTMF Tone Decoder Waveform Generator Auto Power On/Off Bluetooth CW Keyer Station Power Monitor AC Current Monitor This book assumes a basic knowledge of electronics and circuit construction. Basic knowledge of how to program the Arduino using its IDE will also be beneficial.

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Practical Introduction to 3D Modeling from Enclosure to Front Panel Embedding a vintage component, creating a professional looking home for a circuit board, or even designing a complex apparatus complete with a chassis – these and many other challenges turn into a stimulating pleasure with FreeCAD. Once you have internalized the basic processes, there are virtually no limits to your imagination. Starting to use a new software is never straightforward – especially with a tool as versatile as FreeCAD. Manageable, but at the same time easily usable individual components provide the starting point in this book. Putting these components together later results in assemblies. In the FreeCAD universe, a workable trajectory is demonstrated. The described procedure is illustrative so the examples are easily applied to custom tasks. The devices were made by the author and illustrated with photos. Creating a 3D design is requiring some effort but the initial investment pays off soon. Besides the impressive spatial representation of the projects, the extracted drawings yield a solid base for documentation and production. Extended FreeCAD capabilities like the unfolding of sheet metal parts enormously add to efficiency and pushes models forward into practical assembly. Soon you will definitely not want to do without FreeCAD!

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Le PC a depuis longtemps dépassé sa fonction d’ordinateur pur et est devenu une machine à tout faire. Ce livre s'adresse aux personnes qui souhaitent contrôler du matériel existant ou construit par elles-mêmes depuis leur ordinateur. En utilisant Visual Basic comme outil de développement rapide d'applications, nous vous emmènerons dans un voyage pour ouvrir le monde au-delà des connecteurs du PC. Après vous être familiarisé avec Visual Basic, son environnement de développement et l'ensemble d'outils qu'il propose, des éléments tels que les communications série, les ports d'imprimante, le bit-banging, l'émulation de protocole, l'interfaçage ISA, USB et Ethernet et le contrôle à distance des équipements de test sur le bus GPIB, sont couverts dans leur étendue. Chaque sujet est accompagné d'un code clair, prêt à être exécuté, et si nécessaire, des schémas sont fournis qui permettront à vos projets d'être opérationnels en un rien de temps. Ce livre vous montrera des choses avancées telles que : utiliser des outils comme Debug pour trouver des adresses matérielles, configurer une communication à distance à l'aide de sockets TCP/IP et UDP et même écrire vos propres serveurs Internet. Ou que diriez-vous de connecter votre propre bloc de matériel via USB ou Ethernet et de le contrôler depuis Visual Basic. D'autres éléments tels que la communication entre programmes Internet, DDE et la nouvelle interface graphique de Windows XP sont également couverts. Tous les exemples sont prêts à être compilés en utilisant Visual Basic 5.0, 6.0, NET ou 2005. Une couverture complète est donnée sur les différences entre ce que l'on pourrait appeler Visual Basic Classic et Visual basic .NET/2005.

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Learn to use Python productively in real-life scenarios at work and in everyday life If you have mastered the basics of Python and are wanting to explore the language in more depth, this book is for you. By means of concrete examples used in different applications, the book illustrates many aspects of programming (e.g. algorithms, recursion, data structures) and helps problem-solving strategies. Including general ideas and solutions, the specifics of Python and how these can be practically applied are discussed. Python 3 for Science and Engineering Applications includes: practical and goal-oriented learning basic Python techniques modern Python 3.6+ including comprehensions, decorators and generators complete code available online more than 40 exercises, solutions documented online no additional packages or installation required, 100% pure Python Topics cover: identifying large prime numbers and computing Pi writing and understanding recursive functions with memorisation computing in parallel and utilising all system cores processing text data and encrypting messages comprehending backtracking and solving Sudokus analysing and simulating games of chance to develop optimal winning strategies handling genetic code and generating extremely long palindromes Downloads Software

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Program and build Arduino-based ham station utilities, tools, and instruments In addition to a detailed introduction to the exciting world of the Arduino microcontroller and its many variants, this book introduces you to the shields, modules, and components you can connect to the Arduino. Many of these components are discussed in detail and used in the projects included in this book to help you understand how these components can be incorporated into your own Arduino projects. Emphasis has been placed on designing and creating a wide range of amateur radio-related projects that can easily be built in just a few days. This book is written for ham radio operators and Arduino enthusiasts of all skill levels, and includes discussions about the tools, construction methods, and troubleshooting techniques used in creating amateur radio-related Arduino projects. The book teaches you how to create feature-rich Arduino-based projects, with the goal of helping you to advance beyond this book, and design and build your own ham radio Arduino projects. In addition, this book describes in detail the design, construction, programming, and operation of the following projects: CW Beacon and Foxhunt Keyer Mini Weather Station RF Probe with LED Bar Graph DTMF Tone Encoder DTMF Tone Decoder Waveform Generator Auto Power On/Off Bluetooth CW Keyer Station Power Monitor AC Current Monitor This book assumes a basic knowledge of electronics and circuit construction. Basic knowledge of how to program the Arduino using its IDE will also be beneficial.

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Hands-on in more than 50 projects STM32 Nucleo family of processors are manufactured by STMicroelectronics. These are low-cost ARM microcontroller development boards. This book is about developing projects using the popular STM32CubeIDE software with the Nucleo-L476RG development board. In the early Chapters of the book the architecture of the Nucleo family is briefly described. The book covers many projects using most features of the Nucleo-L476RG development board where the full software listings for the STM32CubeIDE are given for each project together with extensive descriptions. The projects range from simple flashing LEDs to more complex projects using modules, devices, and libraries such as GPIO, ADC, DAC, I²C, SPI, LCD, DMA, analogue inputs, power management, X-CUBE-MEMS1 library, DEBUGGING, and others. In addition, several projects are given using the popular Nucleo Expansion Boards. These Expansion Boards plug on top of the Nucleo development boards and provide sensors, relays, accelerometers, gyroscopes, Wi-Fi, and many others. Using an expansion board together with the X-CUBE-MEMS1 library simplifies the task of project development considerably. All the projects in the book have been tested and are working. The following sub-headings are given for each project: Project Title, Description, Aim, Block Diagram, Circuit Diagram, and Program Listing for the STM32CubeIDE. In this book you will learn about STM32 microcontroller architecture; the Nucleo-L476RG development board in projects using the STM32CubeIDE integrated software development tool; external and internal interrupts and DMA; DEBUG, a program developed using the STM32CubeIDE; the MCU in Sleep, Stop, and in Standby modes; Nucleo Expansion Boards with the Nucleo development boards. What you need a PC with Internet connection and a USB port; STM32CubeIDE software (available at STMicroelectronics website free of charge) the project source files, available from the book’s webpage hosted by Elektor; Nucleo-L476RG development board; simple electronic devices such as LEDs, temperature sensor, I²C and SPI chips, and a few more; Nucleo Expansion Boards (optional).

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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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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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Caractéristiques Interface USB vers série intégrée Antenne PCB intégrée Alimenté par Pineseed BL602 SoC utilisant le modèle Pinenut : tampon 12S 2 Mo de mémoire Flash Connexion USB-C Convient au projet BIY de maquette Sortie LED à trois couleurs à bord Dimensions : 25,4 x 44,0 mm Remarque : le câble USB n'est pas inclus.

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STM32 Nucleo family of processors are manufactured by STMicroelectronics. These are low-cost ARM microcontroller development boards. This book is about developing projects using the popular Nucleo development board. In the early chapters of the book, the architecture of the Nucleo family is briefly described. Software development tools that can be used with the Nucleo boards such as the Mbed, Keil MDK, TrueSTUDIO, and the System Workbench are described briefly in later Chapters. The book covers many projects using most features of the STM32 Nucleo development boards where the full software listings for Mbed and System Workbench are given for every project. The projects range from simple flashing LEDs to more complex projects using modules and devices such as GPIO, ADC, DAC, I²C, LCD, analog inputs and others. In addition, several projects are given using the Nucleo Expansion Boards, including popular expansion boards such as solid-state relay, MEMS and environmental sensors, DC motor driver, Wi-Fi, and stepper motor driver. These Expansion Boards plug on top of the Nucleo development boards and simplify the task of project development considerably. Features of this book Learn the architecture of the STM32 microcontrollers Learn how to use the Nucleo development board in projects using Mbed and System Workbench Toolchains Learn how to use the Nucleo Expansion Boards with the Nucleo development boards Update The Mbed compiler has been replaced with two software packages: The Mbed Studio and Keil Studio Cloud. Both of these software packages are free of charge and are available on the Internet. If you need assistance using the Keil Studio Cloud, please download the Guide below.

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Build your own AI microcontroller applications from scratch The MAX78000FTHR from Maxim Integrated is a small development board based on the MAX78000 MCU. The main usage of this board is in artificial intelligence applications (AI) which generally require large amounts of processing power and memory. It marries an Arm Cortex-M4 processor with a floating-point unit (FPU), convolutional neural network (CNN) accelerator, and RISC-V core into a single device. It is designed for ultra-low power consumption, making it ideal for many portable AI-based applications. This book is project-based and aims to teach the basic features of the MAX78000FTHR. It demonstrates how it can be used in various classical and AI-based projects. Each project is described in detail and complete program listings are provided. Readers should be able to use the projects as they are, or modify them to suit their applications. This book covers the following features of the MAX78000FTHR microcontroller development board: Onboard LEDs and buttons External LEDs and buttons Using analog-to-digital converters I²C projects SPI projects UART projects External interrupts and timer interrupts Using the onboard microphone Using the onboard camera Convolutional Neural Network

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