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Einführung in die SPS-Programmierung mit dem Open-Source-Projekt auf dem Raspberry Pi und Modbus-Beispiele mit dem Arduino Uno und ESP8266 Die SPS-Programmierung ist heute in der Industrie und in der Hausautomation sehr weit verbreitet. In diesem Buch beschreibt der Autor, wie der Raspberry Pi 4 als SPS eingesetzt werden kann. Angefangen mit der Softwareinstallation auf dem Raspberry Pi und dem SPS-Editor auf dem PC geht es nach einer Beschreibung der Hardware an das Programmieren. Es folgen interessante Beispiele nach IEC 61131-3 in den verschiedenen Programmiersprachen. Ausführlich wird auch erklärt, wie der SPS-Editor benutzt wird und wie die Programme auf den Raspberry Pi geladen und ausgeführt werden. Angefangen mit der Programmierung mit KOP (Kontaktplan) über ST (Structured Control Language) bis zu AS (Special Function Chart) werden alle IEC-Sprachen mit Beispielen behandelt. Diese können auf der Website des Autors heruntergeladen werden. Auch die Vernetzung kommt nicht zu kurz. Der Arduino Uno und der ESP8266 werden als ModbusRTU- bzw. ModbusTCP-Module programmiert, um Zugriff auf externe Peripherie zu erhalten. Damit ist es möglich, Sensoren einzulesen und Verbraucher zu schalten. Interessant dürften auch E/A-Schaltungen sein, die dem 24V-Industriestandard entsprechen. Befehlsübersichten für ST und KOP runden das Buch ab. Nach dem Durcharbeiten des Buches ist der Leser in der Lage, eigene SPS-Steuerungen mit dem Raspberry Pi zu verwirklichen.

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IMAGE PROCESSING WITH THE NVIDIA JETSON NANO (PART 2)Image Recognition Using Edge Impulse ELEKTOR JUMPSTARTER NEWSUpcoming Campaigns AN OPEN-SOURCE GPS TRACKING PLATFORMTraccar Maps Vehicle Tracking Without the Need for a Third-Party Cloud Server JOY-IT LCR-T7 MULTI-FUNCTION TESTERTesting Passives, Discrete Semiconductors and IR Remote Controls NOISE SYNTHESIZERFrom Noise to Music with the PRBSynth1 STARTING OUT IN ELECTRONICSEasier than Imagined! ... Continuing with the Coil UNDERSTANDING THE NEURONS IN NEURAL NETWORKS (PART 2)Logical Neurons ISSUES WITH SECURITY? FIGHT FIRE WITH FIRE!Flashbulb-Protected Analogue Memory Add-on For the Tamper-Evident Box LCR METER POSTER BLUETOOTH BEACONS IN PRACTICEBeacons Light the Way Ahead C PROGRAMMING ON RASPBERRY PICommunicating over Wi-Fi (Sample Chapter) EMC PRE-COMPLIANCE TEST FOR YOUR DC-POWERED PROJECT (PART 2)The Hardware and How to Use It HANDS ON THE PARALLAX PROPELLER 2 (PART 5)Inside the Smart Pin MODBUS OVER WLAN (PART 1)Hardware and Programming HOMELAB TOURSWhere the Junior Computer Is Brought to Life Again BUILD YOUR OWN HIGH-PRECISION CALIBRATOR-10 V to +10 V, 0 to 40 mA, 0.001% ARDUINO NANO RP2040 CONNECTRaspberry Pi RP2040 + Wi-Fi + Bluetooth THE PHYSICAL BODY OF ARTIFICIAL INTELLIGENCE ERR-LECTRONICSCorrections, Updates and Readers’ Letters CREATE GUIS WITH PYTHONIntroducing guizero CO2 METER KIT FOR THE CLASSROOMAn ESP8266-Based Device from the University of Applied Sciences Aachen NOSTALGIC MK484 MW/LW RADIO...Always Fun to Build! ELEKTOR @ 60Let There Be Light! HEXADOKUThe Original Elektorized Sudoku

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Les membres d'Elektor GREEN et GOLD peuvent télécharger ce numéro ici . Pas encore membre? Cliquez ici pour souscrire une adhésion. Le Raspberry Pi 5 bien mieux que son prédécesseur L'IA dans le laboratoire d'électronique conception, recherche de composants et programmation Générateur de forme d'onde Arduino Nano Nano + code = générateur de fonctions Guirlande de Noël à énergie solaire solution écologique pour le balcon Détecteur de tueur USB mieux vaut prévenir CNC un boîtier simple avec Autodesk Fusion 360 pour un usage personnel Produire des tirages en petit nombre avec et sans assemblage La simulation IoT simplifiée avec Wokwi le développeur Uri Shaked sur la conception, les logiciels et plus encore Un guide de programmation puriste (partie 3) En-têtes CMSIS, tests automatisés et serveur Web LoRa, un couteau suisse partie 2 : le matériel et les logiciels Micro MEMS Conception et construction Essayez d'abord, puis soudez outils gratuits de simulation et de conception 3D Nouveaux outils de Microchip ! PICkit 5 et MPLAB ICD 5 maintenant disponibles ! Prototypage rapide d'électronique flexible et extensible comment la Voltera NOVA accélère l'innovation dans le domaine des wearables Isolation galvanique utiliser avec succès les optocoupleurs à phototransistor Le complexe ou la solution Anybus ? Ethernet industriel intégré en deux jours au lieu de plusieurs mois La liste de contrôle essentielle du DFM concevoir pour la production – comment faire ? Filaments pour l'impression 3D types, caractéristiques et utilisations en prototypage Spécialistes pour une analyse efficace des signaux de la bande ELF à la bande EHF les derniers analyseurs de spectre en temps réel de la série SPECTRAN® V6 d'Aaronia Défis de l'analyse DFM pour les conceptions flexibles et rigides-flexibles Installation d'une ligne de production SMT Infographie Elektor prototypage et réalisation Une révolution pour l'industrie l’essor des robots mobiles autonomes Conçu pour les grands défis Rohde & Schwarz ajoute le R&S MXO 5 à huit canaux à ses oscilloscopes de nouvelle génération Tous les débuts... ...renforce les différences Mini plaque de refusion pour l'assemblage ou la réparation de petits circuits CMS Ne commencez pas avec un prototype – commencez par un prétotype ! Vérifiez s'il existe un marché pour votre produit avant de chauffer le fer à souder 2023 : une odyssée de l’IA aider à la conception d'un projet concret Bruxelles innove prise en charge de la technologie profonde

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Resonances From Aether Days A Pictorial and Technical Analysis from WWII to the Internet Age From the birth of radio to the late 1980s, much of real life unfolded through shortwave communication. World War II demonstrated—beyond a shadow of a doubt—that effective communications equipment was a vital prerequisite for military success. In the postwar years, shortwave became the backbone on which many of the world's most critical services depended every day. All the radio equipment—through whose cathodes, grids, plates, and transistors so much of human history has flowed—is an exceptional subject of study and enjoyment for those of us who are passionate about vintage electronics. In this book, which begins in the aftermath of World War II, you’ll find a rich collection of information: descriptions, tips, technical notes, photos, and schematics that will be valuable for anyone interested in restoring—or simply learning about—these extraordinary witnesses to one of the most remarkable eras in technological history. My hope is that these pages will help preserve this vast treasure of knowledge, innovation, and history—a heritage that far transcends the purely technical.

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Program, build, and master over 50 projects with MicroPython and the RP2040 microprocessor The Raspberry Pi Pico is a high-performance microcontroller module designed especially for physical computing. Microcontrollers differ from single-board computers, like the Raspberry Pi 4, in not having an operating system. The Raspberry Pi Pico can be programmed to run a single task very efficiently within real-time control and monitoring applications requiring speed. The ‘Pico’ as we call it, is 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 its large memory, the Pico has even more attractive features including a vast number of GPIO pins, and popular interface modules like ADC, SPI, I²C, UART, and PWM. To cap it all, the chip offers fast and accurate timing modules, a hardware debug interface, and an internal temperature sensor. The Raspberry Pi Pico is easily programmed using popular high-level languages such as MicroPython and or C/C++. This book is an introduction to using the Raspberry Pi Pico microcontroller in conjunction with the MicroPython programming language. The Thonny development environment (IDE) is used in all the projects described. There are over 50 working and tested projects in the book, 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 temperature sensor chips Datalogging projects PWM, UART, I²C, and SPI projects Using Wi-Fi and apps to communicate with smartphones Using Bluetooth and apps to communicate with smartphones Digital-to-analogue converter (DAC) projects All projects given in the book have been fully tested and are working. Only basic programming and electronics experience is required to follow the projects. Brief descriptions, block diagrams, detailed circuit diagrams, and full MicroPython program listings are given for all projects described. Readers can find the program listings on the Elektor web page created to support the book.

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The Internet of Things (IoT) is a new concept in intelligent automation and intelligent monitoring using the Internet as the communications medium. The “Things” in IoT usually refer to devices that have unique identifiers and are connected to the Internet to exchange information with each other. Such devices usually have sensors and/or actuators that can be used to collect data about their environments and to monitor and control their environments. The collected data can be processed locally or it can be sent to centralized servers or to the cloud for remote storage and processing. For example, a small device at the size of a matchbox can be used to collect data about the temperature, relative humidity and the atmospheric pressure. This data can be sent and stored in the cloud. Anyone with a mobile device can then access and monitor this data at any time and from anywhere on Earth provided there is Internet connectivity. In addition, users can for example, adjust the central heating remotely using their mobile devices and accessing the cloud. This book is written for students, for practising engineers and for hobbyists who want to learn more about the building blocks of an IoT system and also learn how to setup an IoT system using these blocks. Chapter 1 is an introduction to the IoT systems. In Chapter 2, the basic concepts and possible IoT architectures are discussed. The important parts of any IoT system are the sensors and actuators and they are described briefly in Chapter 3. The devices in an IoT system usually communicate with each other and the important aspect of IoT communication is covered in Chapter 4. Chapter 5 proceeds with the features of some of the commonly used development kits. One of these, the Clicker 2 for PIC18FJ manufactured by mikroElektronika, can be used as a processor in IoT systems and its features are described in detail in Chapter 6. A popular microcontroller C language, mikroC Pro for PIC gets introduced in Chapter 7. Chapter 8 covers the use of a click board with the Clicker 2 for PIC18FJ development kit. Similarly, the use of a sensor click board is described as a project in Chapter 9, and an actuator board in Chapter 10. Chapters 11 and 12 cover Bluetooth and Wi-Fi technologies in microcontroller based systems, and the remaining chapters of the book demo the creation of a simple Wi-Fi based IoT system with cloud-based data storage. This book has been written with the assumption that the reader has taken a course on digital logic design and has been exposed to writing programs using at least one high-level programming language. Knowledge of the C programming language will be very useful. Also, familiarity with at least one member of the PIC series of microcontrollers (e.g. PIC16 or PIC18) will be an advantage. The knowledge of assembly language programming is not required because all the projects in the book are based on using the C language. If you are a total beginner in programming you can still access the e-book, but first you are advised to study introductory books on microcontrollers.

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Elektor GREEN and GOLD members can download their digital edition here. Not a member yet? Click here. The Raspberry Pi 5A Huge Improvement From Its Predecessor AI in the Electronics LabGoogle Bard and Flux Copilot Put to the Test Arduino Nano Waveform GeneratorNano + Code = Function Generator Solar-Powered Christmas GarlandAn Eco-Friendly Solution for Garnishing Your Balcony USB Killer DetectorBetter Safe Than Sorry A Simple CNCed EnclosureWith Autodesk Fusion 360 for Personal Use Low-Volume Board ProductionWith and without Assembly IoT Simulation Simplified with WokwiDeveloper Uri Shaked on Design, Software, and More A Bare-Metal Programming Guide (Part 3)CMSIS Headers, Automatic Testing, and a Web Server LoRa, a Swiss Army Knife (2)The Hardware and Software MEMS Microphone Design and Construction Tools to Try Before You SolderSimulation and 3D Modeling Tools That Can Be Used for Free New Tools From Microchip!PICkit 5 and MPLAB ICD 5 Available Now! Rapid Prototyping of Flexible, Stretchable ElectronicsHow the Voltera NOVA Speeds Up Innovation in Wearable Electronic Systems Galvanic IsolationUsing Phototransistor Optocouplers Successfully The Complex Solution or the Anybus Solution?Embedded Industrial Ethernet in 2 Days Rather Than Many Months Your Essential DFM ChecklistHow to Start Designing for Manufacture 3D Printing FilamentsTypes, Features and Use in Prototyping Specialists for Effective Signal Analysis from ELF to EHF BandAaronia’s latest real-time SPECTRAN® V6 series spectrum analyzers Challenges of DFM Analysis for Flex and Rigid-Flex Design Setting Up an SMT Line The Right Combination for a Reliable Assembly Revolutionizing IndustriesThe Rise of Autonomous Mobile Robots (AMRs) Evolved for More ChallengesRohde & Schwarz Adds Eight-Channel R&S MXO 5 to Next-Generation Oscilloscopes Starting Out in Electronics……Amplifying Differences Mini Reflow PlateFor Assembling or Repairing Small SMD Circuits Don’t Start with a Prototype – Start with a Pretotype!Check That a Market Exists for Your Product Before Warming Your Soldering Iron 2023: An AI OdysseyGetting Help Designing a Physical Project Brussels Is InnovatingSupport for Deep Tech

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There are many so-called 'Arduino compatible' platforms on the market. The ESP8266 – in the form of the WeMos D1 Mini Pro – is one that really stands out. This device includes WiFi Internet access and the option of a flash file system using up to 16 MB of external flash memory. Furthermore, there are ample in/output pins (though only one analogue input), PWM, I²C, and one-wire. Needless to say, you are easily able to construct many small IoT devices! This book contains the following builds: A colourful smart home accessory refrigerator controller 230 V power monitor door lock monitor and some further spin-off devices. All builds are documented together with relevant background information for further study. For your convenience, there is a small PCB for most of the designs; you can also use a perf board. You don’t need to be an expert but the minimum recommended essentials include basic experience with a PC, software, and hardware, including the ability to surf the Internet and assemble PCBs. And of course: A handle was kept on development costs. All custom software for the IoT devices and PCB layouts are available for free download from at Elektor.com.

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Open-netwerk weerstation mk2deel 1: inleiding en hardware-elementen AI voor beginners (1)objectherkenning met het Maixduino-board Universele triac-stuurmodule met ATmegaschakelen en dimmen van verschillende belastingen Hoe... iets van GitHub downloadenGitHub Voor Dummies My IoT-Button: de knop voor het netdeel 2: prototyping met board en cloud TMS0280 spraaksynthesizervreemde onderdelen Interactiefcorrecties & updates | vragen & antwoorden BASIC voor ESP32/ESP8266 (2)zandloper met ESP8266 en Annex WiFi RDS Developer’s Zonetips & trucs, vakkunstigheden en andere nuttige informatie BalBot: een zelfbalancerende robotmoderne versnellingssensoren vergemakkelijken de bouw Alle begin......hoeft niet zo moeilijk te zijn Wie het kleine niet eertuit de ideeënbus van Elektor Verzendbox met manipulatie-indicatiegegevens veilig met de post verzenden Nieuwe Nauwkeurige Nixie-klok: verbeteringentechnisch nieuwsbulletin voor nieuwe en bestaande enthousiaste gebruikers Multitasking met de ESP32 (3)software-timers Met de vos in het IoT (4)inrichten van het dashboard Start-up update: het Elektor Investment Program Review: Elektronische USB-belasting Joy-IT HD35test de belastbaarheid van USB-poorten CAN-bus + Arduino houden zonnepanelen in de gatenlokaliseer panelen in grote arrays die onderhoud nodig hebben Analoge elektronica ontwerpencase-study #1 – deel 3: optimalisatie van de responsie van de voorversterker en compromissen Sound Blinkdraagbare zelfbouwspeaker met LED-lichtshow USB-stroombewakingintelligente bescherming voor USB-poorten Oost West Lab Besteen blik in het allerheiligste, waar onbevoegden geen toegang hebben... Review: Labvoeding PeakTech 6080 Aveel voeding voor weinig geld Een grote uitdagingveilige producten in het IoT-tijdperk Elektor 1,2-GHz-universeelteller (1992/93)voorbij de magische 1GHz-grens Hexadoku

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A Project-Based Introduction to Microcontrollers and Drone Control A Practical Introduction to Embedded Systems with the ESP32 This book is intended for readers who are new to embedded systems and looking for a structured, example-driven way to begin. If you’ve explored general-purpose electronics or Arduino-based resources but found them too broad or lacking in practical application, this guide offers a more focused alternative. With a small, affordable set of components – such as LEDs, sensors, an OLED screen and a motion sensor – you’ll build and work with the same hardware setup throughout the book. This allows you to focus on learning and experimenting without constant reconfiguration. Topics include: Understanding and programming the ESP32 microcontroller Using the Arduino IDE to write and deploy code Exploring cyber-physical systems, culminating in basic drone control No prior experience with Arduino or embedded development is required. Each section includes hands-on examples and mini-projects designed to reinforce core concepts and encourage deeper exploration. By the end, you’ll be equipped not only to reproduce the book’s examples, but also to extend them toward your own ideas and applications. Whether your interest is in learning embedded programming, building interactive systems, or exploring educational drone control, this book provides a clear and practical path to getting started.

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Learning Embedded Systems with STM32 Nucleo Boards Embedded programming has become more accessible than ever before. Development boards are inexpensive, software tools are easy to install, and the Arduino IDE provides a familiar environment for creating embedded applications. Combined with the STM32 Nucleo family of development boards, it offers an excellent platform for learning how modern microcontrollers interact with the physical world. This book introduces embedded programming using the Arduino environment on STM32 Nucleo boards. You will learn how a microcontroller continuously reads inputs, processes information, and controls outputs in a predictable real-time loop. Through practical examples, you will discover how to control LEDs, read switches and sensors, generate PWM signals, drive motors, and exchange data with other devices, all while becoming familiar with the capabilities of STM32 microcontrollers. Although the STM32 family includes devices with different performance levels, memory sizes, and peripheral sets, they all share the same architectural concepts. Digital and analog I/O, timers, interrupts, PWM, communication interfaces, and low-power operation are fundamental features found throughout the STM32 ecosystem. Understanding these building blocks will enable you to work confidently with a wide range of STM32 devices, from entry-level microcontrollers to more advanced applications. By focusing on practical programming techniques rather than hardware complexity, this book develops skills that remain useful well beyond the examples presented. Whether you are taking your first steps in embedded systems or expanding your experience with STM32 microcontrollers, you will gain a solid understanding of both the Arduino development environment and the principles that underpin embedded software design.

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Diese Ausgabe steht allen GOLD- und GREEN-Mitgliedern auf der ElektorMagazine-Website zum Download bereit! Sie sind noch kein Mitglied? Hier klicken! Stromquelle zum Testen von (Z-)DiodenPrüfen von Z-Dioden von 1 bis 54 V bei 1 bis 50 mA ESD-Armband-TesterEin Tool zur Funktionsprüfung von Erdungsarmbändern Transientenmesser für LabornetzteileEin reproduzierbarer Lastsprung-Generator für Labornetzteile 3D-Viewer für HTML-SeitenEinfach und fast ohne Code LED-Blinkleuchte für Tore und mehr mit akustischem Alarm Benötigen Sie Leiterplatten? Der Elektor-Leiterplattenservice ist für Sie da. Zahnbürsten-TimerMit einem kleinen PIC Ein berührungsloses magnetisches Kombinationsschlossmit dem AS5600-Drehpositionssensor Rauscharmer, batteriebetriebener Vorverstärkerfür dynamische Mikrofone Das Arduino Nano TestLabMessen, Steuern, Regeln Rhythmische BassleuchteBetonen Sie den Rhythmus Ihrer Musik Low-cut-FilterKein Risiko von Audio-Rückkopplungen in Ihrem System Präziser 1-Hz-Rechteckwellengenerator für SteckbrettEine zuverlässige CMOS-basierte Taktquelle 555 auf den Kopf gestelltTastverhältnisse bis hinunter auf Null Vom „Halfgeleidergids“ zu Circuit Specials65 Jahre Elektronik-Innovation Galvanische TrennungCAN-Schnittstelle mit Digitalisolator und Powermodul SpongillatorEin schwammbasierter Oszillator Echter Zufallszahlengeneratormit integriertem Chi-Quadrat-Test Euklidischer Sequencer ohne MikrocontrollerTrigger-Pattern und CV-Sequenzen mit einfacher CMOS-Logik Programmieren mit TLScriptEine Skriptsprache zum Messen, Testen und Steuern Schaltungsdesign: Tipps von Experten RückkopplungWas ist das und warum ist sie wichtig? Ein Board, endlose Ideen: Arduino UNO QVon Retro-Gaming zur Echtzeit-Umweltüberwachung So bringen Sie eine Donut-Antenne in Ordnung Standby-KillerEin echter Ein-/Ausschalter für den Fernseher Akkus im TestAkkus vermessen mit dem Arduino Nano Stromversorgung für Audio-EndstufenEin gutes Netzteil ohne Netzbrummen Lochrasterplatinen für HFSchnelle Aufbauten mit DIY-Prototyping-Boards T3-ÜberspannungsschutzEin Typ-3-Schutzmodul für empfindliche Geräte IoT-Raumthermostat-Platinemit dem Xiao-MCU-Modul auf Basis des ESP32-C3/S3 Von starr zu smartFlexible und gedruckte Elektronik – zwischen Vision und industrieller Realität

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