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Projects Using Arduino IDE and the LVGL Graphics Library The ESP32 is probably one of the most popular microcontrollers used by many people, including students, hobbyists, and professional engineers. Its low cost, coupled with rich features makes it a popular device to use in many projects. Recently, a board called the ESP32 Cheap Yellow Display (CYD for short) is available from its manufacturers. The board includes a standard ESP32 microcontroller together with a 320x240 pixel TFT display. Additionally, the board provides several connectors for interfaces such as GPIO, serial port (TX/RX), power and Ground. The inclusion of a TFT display is a real advantage as it enables users to design complex graphics-based projects without resorting to an external LCD or graphics displays. The book describes the basic hardware of the ESP32 CYD board and provides details of its on-board connectors. Many basic, simple, and intermediate-level projects are given in the book based on the ESP32 CYD, using the highly popular Arduino IDE 2.0 integrated development environment. The use of both the basic graphics functions and the use of the popular LVGL graphics library are discussed in the book and projects are given that use both types of approaches. All the projects given in the book have been tested and are working. The block diagram, circuit diagram, and the complete program listings and program descriptions of all the projects are given with explanations. Readers can use the LVGL graphics library to design highly popular eye-catching full-color graphics projects using widgets such as buttons, labels, calendars, keypads, keyboards, message boxes, spinboxes, sliders, charts, tables, menus, bars, switches, drop-down lists, animations, and many more widgets.

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Programming with GNU Radio HackRF is an open-source hardware platform developed by Great Scott Gadgets and serves as a versatile front end for software-defined radio (SDR). With HackRF One and its successor, HackRF Pro, users can develop their own SDR applications, build powerful receivers and transmitters, and tackle demanding RF measurement tasks. This book provides a practical introduction to the world of SDR. Step by step, the author shows how powerful SDR projects can be implemented with HackRF – from the fundamentals of RF technology to advanced applications using GNU Radio. In addition to working with SDR Sharp (SDR#), RadioConda, and GNU Radio, the book also covers the fundamentals of modern digital signal processing. Numerous experiments and easy-to-follow practical examples guide readers through topics such as AM, FM, and SSB reception, digital filters, shortwave radio, amateur radio, signal generators, and custom RF projects up to 6 GHz. Whether you are a maker, radio amateur, electronics enthusiast, or SDR beginner, this book provides solid knowledge, practical applications, and the motivation to creatively explore the possibilities of modern SDR technology.

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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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Ce cours complet de programmation de microcontrôleurs basé sur le Raspberry Pi Pico comprend un manuel, un kit de composants, des projets pratiques ainsi qu’un cours en ligne complet avec simulations. Il est idéal pour apprendre pas à pas la programmation des systèmes embarqués avec MicroPython grâce à une approche pratique. Une introduction pratique aux systèmes embarqués avec le Raspberry Pi Pico Ce cours s’adresse aux débutants en systèmes embarqués recherchant une approche structurée et basée sur des exemples. Un kit de composants comprenant des LED et des résistances, des interrupteurs, des capteurs et actionneurs, des afficheurs, une breadboard et des fils est inclus. Ceux-ci sont utilisés dans le cours pour illustrer des applications concrètes. Aucune expérience préalable avec Arduino ou le développement embarqué n’est requise. Chaque section propose des exemples pratiques et des mini-projets conçus pour renforcer les concepts clés et encourager l’exploration. À la fin du cours, vous serez capable non seulement de reproduire les exemples, mais aussi de développer vos propres idées et applications. Que allez-vous apprendre ? Programmation de microcontrôleurs en MicroPython sur le Raspberry Pi Pico via l'IDE Thonny Utilisation des entrées/sorties numériques, lecture de boutons et encodeurs, commande de LED et relais Lecture des entrées analogiques, tensions et capteurs analogiques Génération de signaux analogiques et PWM Utilisation des communications série comme UART, I²C et SPI pour piloter des afficheurs et lire des capteurs numériques et cartes SD Gestion du temps Utilisation des interruptions Entrées capteurs en temps réel et contrôle via boutons, LED et afficheurs Commande d’actionneurs comme relais et servomoteurs À qui s’adresse ce cours ? Étudiants et autodidactes explorant les systèmes embarqués Makers et passionnés d’IoT souhaitant améliorer leurs compétences en hardware Formateurs et enseignants à la recherche de matériel pédagogique prêt à l’emploi Contenu de la boîte Accès au cours complet sur la plateforme Elektor Academy Pro Carte microcontrôleur Raspberry Pi Pico + câble USB Livre : Programming Microcontrollers in MicroPython Fichiers de projet téléchargeables pour chaque module Boîte de composants : 2× LED, rouge, 5 mm LED, verte, 5 mm 3× résistance, 470 Ω, 0,25 W LDR Potentiomètre, 10 kΩ, linéaire Bouton-poussoir Module encodeur rotatif Module relais Capteur DHT22 (température & humidité) Afficheur 7 segments 4 digits compatible TM1637 MPU-6050 IMU avec connecteurs Afficheur OLED I²C compatible SSD1306 Adaptateur carte micro SD avec connecteur Buzzer Micro servo SG90 Écran TFT SPI 240×320 compatible ILI9341 20× fils jumper Breadboard Tous les cours de programmation (et différences de contenu) Cours Arduino Raspberry Pi Pico with Arduino C/C++ ESP32 with Arduino C/C++ Raspberry Pi Pico with MicroPython ESP32 with MicroPython Cours en ligne Access to Arduino Course Access to Pico with Arduino C/C++ Course Access to ESP32 with Arduino C/C++ Course Access to Pico with MicroPython Course Access to ESP32 with MicroPython Course Carte Uno R3 Raspberry Pi Pico ESP32 Raspberry Pi Pico ESP32 Livre Programming Microcontrollers in C/C++ Using Arduino Programming Microcontrollers in C/C++ Using Arduino Programming Microcontrollers in C/C++ Using Arduino Programming Microcontrollers in MicroPython Programming Microcontrollers in MicroPython Kit Boîte de composants (40 pièces) Boîte de composants (40 pièces) Boîte de composants (40 pièces) Boîte de composants (40 pièces) Boîte de composants (40 pièces)

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The Raspberry Pi is a $35 credit-card sized computer with many applications, such as in desktop computing, audio and video playback, and as a controller in many industrial, commercial and domestic applications. This book is about the Raspberry Pi computer and its use in control applications. The book explains in simple terms, with examples, how to configure the RPi, how to install and use the Linux operating system, how to write programs using the Python programming language and how to develop hardware based projects. The book starts with an introduction to the Raspberry Pi computer and covers the topics of purchasing all the necessary equipment and installing/using the Linux operating system in command mode. Use of the user-friendly graphical desktop operating environment is explained using example applications. The RPi network interface is explained in simple steps and demonstrates how the computer can be accessed remotely from a desktop or a laptop computer. The remaining parts of the book cover the Python programming language, hardware development tools, hardware interface details, and RPi based hardware projects. All the 23 projects given in the book have been tested and are working. The following headings are given for each project: Project title Project description Project block diagram Project circuit diagram Project program description using the Program Description Language (PDL) Complete program listing Description of the program The book is ideal for self-study, and is intended for electronic/electrical engineering students, practising engineers, research students, and hobbyists.

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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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Cette offre groupée pratique vous permet de créer de véritables applications d’IA en périphérie avec le Raspberry Pi Raspberry Pi AI HAT+ (13 TOPS) Le Raspberry Pi AI HAT+ est une carte d'extension conçue pour le Raspberry Pi 5, dotée d'un accélérateur Hailo AI intégré. Ce module complémentaire offre une approche rentable, efficace et accessible pour intégrer des capacités d'IA hautes performances, avec des applications couvrant le contrôle des processus, la sécurité, la domotique et la robotique. L'AI HAT+ se connecte via l'interface PCIe Gen3 du Raspberry Pi 5. Lorsque le Raspberry Pi 5 exécute une version actuelle du système d'exploitation Raspberry Pi, il détecte automatiquement l'accélérateur Hailo intégré, rendant l'unité de traitement neuronal (NPU) disponible pour les tâches d'IA. De plus, les applications de caméra rpicam-apps incluses dans Raspberry Pi OS prennent en charge de manière transparente le module AI, en utilisant automatiquement le NPU pour les fonctions de post-traitement compatibles. Raspberry Pi Camera Module 3 Le module Caméra Raspberry Pi 3 est un appareil photo compact de Raspberry Pi. Il est doté d'un capteur IMX708 de 12 mégapixels avec HDR et d'un autofocus à détection de phase. Le Camera Module 3 est disponible en version standard et en version grand angle, toutes deux avec ou sans filtre infrarouge. Le Camera Module 3 peut être utilisé pour prendre des vidéos full HD ainsi que des photos, et dispose d'un mode HDR jusqu'à 3 mégapixels. Son fonctionnement est entièrement pris en charge par la bibliothèque libcamera, y compris la fonction d'autofocus rapide de Camera Module 3 : cela le rend facile à utiliser pour les débutants, tout en offrant beaucoup pour les utilisateurs avancés. Camera Module 3 est compatible avec tous les ordinateurs Raspberry Pi. Livre : Edge AI Made Practical – AI Projects for the Raspberry Pi with the AI HAT+ L'intelligence artificielle embarquée (Edge AI) transforme les appareils du quotidien en intégrant l'intelligence là où elle est la plus utile : directement au cœur du matériel. Grâce à l'inférence embarquée, une caméra peut reconnaître instantanément un visiteur, un téléphone peut traduire la parole sans envoyer l'audio vers le cloud et un objet connecté peut détecter les anomalies en temps réel – rapidement, en toute confidentialité et de manière fiable, même en cas de perte de réseau. Ce livre est votre guide pratique pour construire précisément ce type de systèmes avec le Raspberry Pi AI HAT+ et l'accélérateur Hailo-8L. Vous commencerez par des bases solides : les concepts fondamentaux de l'IA et de l'apprentissage automatique, le fonctionnement des réseaux neuronaux et ce qui distingue véritablement l'Edge AI de l'IA cloud – ainsi qu'une analyse franche des considérations éthiques et des impacts futurs. Cette offre groupée contient : Livre : Edge AI Made Practical Raspberry Pi AI HAT+ (13 TOPS) Raspberry Pi Camera Module 3 Refroidisseur actif pour Raspberry Pi 5 Câble d'écran FPC pour Raspberry Pi 5 (300 mm) Kit de composants Elektor Connecteur GPIO 40 broches Module de feux de signalisation LED rouge 5 V avec résistance intégrée LED jaune 5 V avec résistance intégrée LED verte 5 V avec résistance intégrée LED bleue 5 V avec résistance intégrée Plaque d'essai (400 points de connexion) 10 connecteurs Dupont Câbles (mâle-femelle) Module de capteur DHT22 Servomoteur Requis Raspberry Pi 5

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Programming and Projects for the Minima and WiFi Based on the low-cost 8-bit ATmega328P processor, the Arduino Uno R3 board is likely to score as the most popular Arduino family member, and this workhorse has been with us for many years. Eleven years later, the long-overdue successor, the Arduino Uno R4, was released. It is built around a 48 MHz, 32-bit Arm Cortex-M4 microcontroller and provides significantly expanded SRAM and Flash memory. Additionally, a higher-precision ADC and a new DAC are added to the design. The Uno R4 board also supports the CAN Bus with an interface. Two versions of the board are available: Uno R4 Minima, and Uno R4 WiFi. This book is about using these new boards to develop many different and interesting projects with just a handful of parts and external modules. All projects described in the book have been fully tested on the Uno R4 Minima or the Uno R4 WiFi board, as appropriate. The project topics include the reading, control, and driving of many components and modules in the kit as well as on the relevant Uno R4 board, including LEDs 7-segment displays (using timer interrupts) LCDs Sensors RFID Reader 4x4 Keypad Real-time clock (RTC) Joystick 8×8 LED matrix Motors DAC (Digital-to-analog converter) LED matrix WiFi connectivity Serial UART CAN bus Infrared controller and receiver Simulators … all in creative and educational ways with the project operation and associated software explained in great detail.

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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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Apprenez à utiliser et programmer le microcontrôleur ESP32 en MicroPython dans vos futurs projets ! Ce livre (en anglais) de projets par Dogan Ibrahim, auteur populaire de livres Elektor contient de nombreux projets logiciels et matériels spécialement développés pour le kit de développement ESP32 de MakePython. Le kit est livré avec plusieurs LED, capteurs et actionneurs. Le kit vous aidera à acquérir les connaissances de base pour créer des projets IdO. Les projets testés dans le livre sont basés sur les composants fournis. Chaque projet est décrit par un schéma fonctionnel, un schéma de circuit, un listage complet ainsi qu’une description détaillée du programme. Contenu du kit 1x Carte de développement MakePython ESP32 avec LCD 1x Module de mesure à ultrasons 1x Capteur de température et d'humidité 1x Module buzzer 1x Module DS18B20 1x Module infrarouge 1x Potentiomètre 1x Module WS2812 1x Capteur de son 1x Capteur de vibrations 1x Module de résistance photosensible 1x Capteur de pouls 1x Servomoteur 1x Câble USB 2x Bouton 2x Plaque d'essai 45x Fils de connexion 10x résistances 330R 10x LED (Rouges) 10x LED (Verts) 1x Livre de projets (en anglais, 206 pages) 46 projets dans le livres Projets à LED LED clignotante SOS clignotant LED clignotante – utilisation d'un timer LED clignotantes en alternance Contrôle des boutons Modification de la fréquence de clignotement des LED à l'aide d'interruptions de boutons-poussoirs LED de poursuite Compteur binaire à LED Lumières de Noël (8 LEDs clignotant de façon aléatoire) Dés électronique Jour de chance de la semaine Projets de modulation de la largeur d'impulsion (PWM) Génération d'une forme d'onde PWM de 1000 Hz avec un rapport cyclique de 50% Contrôle de la luminosité des LED Mesures de la fréquence et du rapport cyclique d'une forme d'onde PWM Compositeur de mélodies Orgue électronique simple Servo motor control Thermomètre DS18B20 à servomoteur Projets de convertisseur analogique-numérique (CAN) Voltmètre Traçage de la tension d'entrée analogique Capteur de température interne de l'ESP32 Ohmmètre Module de résistance photosensible Projets de convertisseur numérique-analogique (CNA) Génération de tensions fixes Génération d'un signal en dents de scie Génération d'un signal à onde triangulaire Forme d'onde périodique arbitraire Génération d'un signal sinusoïdal Génération d'un signal sinusoïdal précis au moyen d'interruptions du timer Utilisation de l'afficheur OLED Compteur de secondes Compteur d'événements Thermomètre numérique à base d'OLED DS18B20 Contrôleur de température ON-OFF Mesure de la température et de l'humidité Mesure de la distance par ultrasons Taille d'une personne (stadiomètre) Mesure de la fréquence cardiaque (pouls) Autres capteurs fournis dans le kit Alarme antivol Lumière activée par le son Détection d'obstacles par infrarouge avec buzzer Anneau de LED RVB WS2812 Horodatage des données de température et d'humidité Programmation réseau Scanner Wi-Fi Contrôle à distance depuis le navigateur Internet (à l'aide d'un smartphone ou d'un PC) – Serveur Web Stockage des données de température et d'humidité dans le cloud Fonctionnement à faible puissance Utilisation d'un timer pour activer le processeur

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This e-book (pdf), a software-only follow up to the best-selling Elektor Visual Studio C# range of books, is aimed at Engineers, Scientists and Enthusiasts who want to learn about the C# language and development environment. It covers steps from installation, the .NET framework and object oriented programming, through to more advanced concepts including database applications, threading and multi-tasking, internet/network communications and writing DLLs. The DirectX chapters also include video capture. The e-book concludes with several chapters on writing Android applications in C# using the Xamarin add-on. This e-book is based on the Visual Studio 2015 development environment and latest C# additions including WPF applications, LINQ queries, Charts and new commands such as await and async. The latest Visual Studio debugging features (PerfTips, Diagnostic Tool window and IntellTrace) are covered. Finally, the Android chapters include GPS, E-mail and SMS applications. Additionally, the e-book provides free on-line access to extensive, well-documented examples — in a try for yourself style — together with links to the author’s videos, guiding you through the necessary steps to get the expected results.

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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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