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La carte Motorino est une carte d'extension permettant de contrôler et d'utiliser jusqu'à 16 servomoteurs 5 V contrôlés par PWM. Le générateur d'horloge inclus fournit un signal PWM très précis et un positionnement très précis. La carte dispose de 2 entrées pour une tension de 4,8 V à 6 V qui peuvent être utilisées pour un maximum de 11 A. Avec cette entrée, une alimentation électrique parfaite est toujours garantie et même les projets les plus importants ne posent aucun problème. L'alimentation électrique passe directement par le Motorino, qui fournit une connexion pour la tension, la terre et le contrôle. Le condensateur intégré tamponne la tension, ce qui évite une chute soudaine de tension en cas de charge élevée. Mais il existe également la possibilité de connecter un autre condensateur. Le contrôle et la programmation peuvent être effectués, comme d'habitude, avec l'Arduino. Les manuels et les exemples de code permettent une introduction rapide pour les débutants. Fonctionnalités spéciales 16 canaux, propre générateur d'horloge Entrée 1 Connecteur d'alimentation coaxial 5,5 / 2,1 mm, 4,8-6 V / 5 A max Entrée 2 Bornier à vis, 4,8-6 V / 6 A max Communication 16xPWM Compatible avec Microcontrôleur Arduino Uno, Mega et peut-être plus avec brochage compatible Arduino Dimensions 69x24x56mm Portée Carton, manuel, emballage de vente au détail

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This book is about DC electric motors and their use in Arduino and Raspberry Pi Zero W based projects. The book includes many tested and working projects where each project has the following sub-headings: Title of the project Description of the project Block diagram Circuit diagram Project assembly Complete program listing of the project Full description of the program The projects in the book cover the standard DC motors, stepper motors, servo motors, and mobile robots. The book is aimed at students, hobbyists, and anyone else interested in developing microcontroller based projects using the Arduino Uno or the Raspberry Pi Zero W. One of the nice features of this book is that it gives complete projects for remote control of a mobile robot from a mobile phone, using the Arduino Uno as well as the Raspberry Pi Zero W development boards. These projects are developed using Wi-Fi as well as the Bluetooth connectivity with the mobile phone. Readers should be able to move a robot forward, reverse, turn left, or turn right by sending simple commands from a mobile phone. Full program listings of all the projects as well as the detailed program descriptions are given in the book. Users should be able to use the projects as they are presented, or modify them to suit to their own needs.

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This book is for people who want to understand how AC drives (also known as inverter drives) work and how they are used in industry by showing mainly the practical design and application of drives. The key principles of power electronics are described and presented in a simple way, as are the basics of both DC and AC motors. The different parts of an AC drive are explained, together with the theoretical background and the practical design issues such as cooling and protection. An important part of the book gives details of the features and functions often found in AC drives and gives practical advice on how and where to use these. Also described is future drive technology, including a matrix inverter. The mathematics is kept to an essential minimum. Some basic understanding of mechanical and electrical theory is presumed, and a basic knowledge of single andthree phase AC systems would be useful. Anyone who uses or installs drives, or is just interested in how these powerful electronic products operate and control modern industry, will find this book fascinating and informative.

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Le MotoPi est une carte d'extension permettant de contrôler et d'utiliser jusqu'à 16 servomoteurs 5 V contrôlés par PWM. La carte peut être alimentée en plus par une tension comprise entre 4,8 V et 6 V, ce qui garantit toujours une alimentation parfaite et permet d'alimenter même des projets plus importants. Avec l'alimentation supplémentaire et le convertisseur analogique-numérique intégré, de nouvelles possibilités peuvent être atteintes. Une alimentation supplémentaire par moteur n'est plus nécessaire car toutes les connexions (Tension, Terre, Contrôle) sont directement connectées à la carte. Le contrôle et la programmation peuvent se faire directement, comme d'habitude, sur le Raspberry Pi. Fonctionnalités spéciales 16 canaux, propre générateur d'horloge, Incl. Convertisseur analogique-numérique Entrée 1 Connecteur d'alimentation coaxial 5,5 / 2,1 mm, 5 V / 6 A max Entrée 2 Bornier à vis, 4,8-6 V / 6 A max Compatible avec Framboise Pi A+, B+, 2B, 3B Dimensions 65x56x24mm Etendue de la livraison Tableau, manuel, matériel de fixation

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Cette carte permet au Raspberry Pi Pico (connecté via un connecteur) de commander deux moteurs simultanément avec un contrôle complet de marche avant, arrière et stop, ce qui la rend idéale pour les projets de buggy contrôlés par le Pico. Elle peut également être utilisée pour alimenter un moteur pas à pas. Elle comporte le circuit intégré de commande de moteur DRV8833, qui dispose d'une protection interne contre les courts-circuits, les surintensités et la chaleur. La carte dispose de 4  connexions externes aux broches GPIO et d'une alimentation 3 V et GND du Pico. Cela permet d'ajouter des options d'E/S supplémentaires pour vos projets de buggy, qui peuvent être lues ou contrôlées par le Pico. En outre, il y a un interrupteur marche/arrêt et une LED d'état d'alimentation, vous permettant de vérifier si la carte est sous tension et d'économiser vos piles lorsque votre projet n'est pas en cours d'utilisation. Pour utiliser la carte de commande de moteur, le Pico doit être doté d'un connecteur soudé et être fermement inséré. La carte fournit une alimentation régulée qui est utilisée par le connecteur à 40 voies pour alimenter le Pico, éliminant ainsi la nécessité d'alimenter le Pico directement. La carte de pilotage du moteur est alimentée soit par des bornes à vis, soit par un connecteur de type servo. Kitronik a développé un module micro-python et un exemple de code pour soutenir l'utilisation de la carte de commande de moteur avec le Pico. Ce code est disponible sur GitHub repo. Caractéristiques Une carte compacte mais dotée de nombreuses fonctionnalités, conçue pour être au cœur de vos projets de robots buggy avec le Raspberry Pi Pico. La carte peut commander 2 moteurs simultanément avec une contrôle complet de la marche avant, arrière et de l'arrêt. Il est équipé du circuit intégré de commande de moteur DRV8833, qui dispose d'une protection intégrée contre les courts-circuits, les surintensités et la température. En plus, la carte comporte un interrupteur marche/arrêt et une LED d'état d'alimentation. Alimentez la carte via un connecteur de type bornier. Les broches 3V et GND sont également sorties, ce qui permet d'alimenter des dispositifs externes. Codez-le avec MicroPython avec un éditeur tel que the Thonny editor. Dimensions: 63 mm (L) x 35 mm (W) x 11.6 mm (H) Téléchargement Fiche technique

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Learn to interface and program hardware devices in a wide range of useful applications, using ARM7 microcontrollers and the C programming language. Examples covered in full detail include a simple LED to a multi-megabyte SD card running the FAT file system. Features of this book Build prototype circuits on breadboard or Veroboard and interface to ARM microcontrollers. A 32-bit ARM7 microcontroller is used in interfacing and software examples. Interfacing principles apply to other ARM microcontrollers and other non-ARM microcontrollers as well. Example programs are written in the C programming language. Use only free or open source software. Download and install all programming tools from the Internet. Template project files are provided for easy project creation. Hardware Interface to LEDs, transistors, optocouplers, relays, solenoids, switches, keypads, LCD displays, seven segment displays, DC motors, stepper motors, external analogue signals using the ADC, RS232, RS-485, TWI, USB, SPI and SD memory cards. Software Once hardware has been interfaced to a microcontroller, software must be written to control the hardware. You will learn how to write programs to operate externally interfaced hardware devices, use timers and interrupts. Also learn how to port FAT file system code for use with an SD memory card, program the PWM to produce an audio sine wave, program the PWM to speed control a DC motor and more. A chapter on more advanced ARM microcontrollers is included with an overview of some of the newest ARM microcontrollers and their features.

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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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'À bord de chaque moto:bit se trouvent plusieurs broches d’E/S, ainsi qu’un connecteur Qwiic vertical, capable de brancher des servomoteur, des capteurs et d’autres circuits. En appuyant sur le bouton, vous pouvez faire bouger votre micro:bit ! Le moto:bit se connecte au micro:bit via un SMD mis à jour, connecteur de bord en haut de la carte, ce qui facilite la configuration. Cela crée un moyen pratique d’échanger micro:bits pour la programmation tout en fournissant des connexions fiables à toutes les différentes broches sur le micro:bit. Nous avons également inclus un connecteur d’alimentation coaxial de base sur la moto:bit qui est capable de fournir de l’énergie à tout ce que vous connectez à la carte de support. Caractéristiques : Connecteur Edge plus fiable pour une utilisation facile avec le micro:bit Full H-Bridge pour la commande de deux moteurs Commande des servomoteurs Connecteur Qwiic vertical Port I2C pour étendre les fonctionnalités Gestion de l’alimentation et de la batterie à bord pour le micro:bit'

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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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Using the RFID Starter Kit An Arduino board has now become ‘the’ basic component in the maker community. No longer is an introduction to the world of microcontrollers the preserve of the expert. When it comes to expanding the capabilities of the basic Arduino board however, the developer is still largely on his own. If you really want to build some innovative projects it’s often necessary to get down to component level. This can present many beginners with major problems. That is exactly where this book begins. This book explains how a wide variety of practical projects can be built using items supplied in a single kit together with the Arduino board. This kit, called the 'RFID Starter Kit for Arduino' (SKU 17240) is not just limited to RFID applications but contains more than 30 components, devices and modules covering all areas of modern electronics. In addition to more simple components such as LEDs and resistors there are also complex and sophisticated modules that employ the latest technology such as: A humidity sensor A multicolor LED A large LED matrix with 64 points of light A 4-character 7-segment LED display An infra red remote-controller unit A complete LC-display module A servo A stepper motor and controller module A complete RFID reader module and security tag On top of that you will get to build precise digital thermometers, hygrometers, exposure meters and various alarm systems. There are also practical devices and applications such as a fully automatic rain sensor, a sound-controlled remote control system, a multifunctional weather station and so much more. All of the projects described can be built using the components supplied in the Elektor kit.

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Projets avec Arduino, ESPHome, Home Assistant, et Raspberry Pi & Co. Ce livre électronique contient plusieurs exemples de projets, en commençant par une introduction à l'électronique. Il explique également comment installer Home Assistant sur un Raspberry Pi, comment utiliser des capteurs de climat intérieur pour la température et l'humidité, comment mettre en œuvre le protocole MQTT et d'autres interfaces, et comment utiliser ESPHome pour intégrer des capteurs et des actionneurs dans Home Assistant. De nombreux tutoriels vidéo complètent le livre. Fundamentals of electrical engineering The book begins with an introduction to electrical engineering. You will learn the basics of voltage, current, resistors, diodes and transistors. Arduino and microcontrollers A complete section is dedicated to the Arduino Uno. You will get to know the structure, write your first programs and work on practical examples. Home Assistant and automation You will learn how to set up Home Assistant on a Raspberry Pi and how to use automations, scenes and devices. In addition, Zigbee, MQTT and ESP-NOW – important technologies for home automation – will be discussed. ESP8266, ESP32 and ESP32-CAM The popular ESP microcontrollers are covered in detail. A theoretical introduction is followed by practical projects that show you how to get the most out of these devices. Sensors and actuators The book explains the functionality and application of numerous sensors such as temperature and humidity sensors, motion detectors and RFID readers. For actuators, stepper motors, e-ink displays, servo motors and much more are covered. There are practical application examples for all devices. ESPHome This chapter shows you how to integrate sensors and actuators into Home Assistant without any programming effort. You will be guided step by step through the setup with ESPHome. LEDs and lighting technology In this chapter, you will learn about different types of LEDs and how they can be used. The basics of lighting technology are also explained. Node-RED A whole chapter is dedicated to Node-RED. You will learn the basics of this powerful tool and be guided step by step through its setup and use. Integrated Circuits (ICs) In electronics, there are numerous ICs that make our lives easier. You will get to know the most important ones and apply your knowledge in practical projects. Professional programming Advanced topics such as the correct use of buttons, the use of interrupts and the use of an NTP server for time synchronisation are covered in detail in this chapter. Downloads GitHub

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Multitasking and multiprocessing have become a very important topic in microcontroller-based systems, namely in complex commercial, domestic, and industrial automation applications. As the complexity of projects grows, more functionalities are demanded from the projects. Such projects require the use of multiple inter-related tasks running on the same system and sharing the available resources, such as the CPU, memory, and input-output ports. As a result of this, the importance of multitasking operations in microcontroller-based applications has grown steadily over the last few years. Many complex automation projects now make use of some form of a multitasking kernel. This book is project-based and its main aim is to teach the basic features of multitasking using the Python 3 programming language on Raspberry Pi. Many fully tested projects are provided in the book using the multitasking modules of Python. Each project is described fully and in detail. Complete program listings are given for each project. Readers should be able to use the projects as they are, or modify them to suit their own needs. The following Python multitasking modules have been described and used in the projects: Fork Thread Threading Subprocess Multiprocessing The book includes simple multitasking projects such as independently controlling multiple LEDs, to more complex multitasking projects such as on/off temperature control, traffic lights control, 2-digit, and 4-digit 7-segment LED event counter, reaction timer, stepper motor control, keypad based projects, car park controller, and many more. The fundamental multitasking concepts such as process synchronization, process communication, and memory sharing techniques have been described in projects concerning event flags, queues, semaphores, values, and so on.

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