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Le compteur LCR portable UT622E présente des fonctions puissantes, une haute précision, une vitesse rapide et une longue durée de veille. Avec un écran LCD TFT clair et intuitif de 2,8 pouces, une batterie rechargeable de grande capacité et une fréquence de test de 100 kHz, l'appareil de mesure peut être utilisé pour des mesures précises et pratiques de longue date en toute occasion. Il convient à la mesure et au dépistage de l'inductance, de la capacité et de la résistance dans les laboratoires, les lignes de production, les points de maintenance, etc. Caractéristiques Max. fréquence d'essai : 100 kHz Précision : 0,1 % Nombre d'affichages : 99999 Max. taux de test : 20 fois/s DCR : Oui Connectivité : Mini-USB Écran : ACL TFT 2,8 pouces Spécifications Fréquence de test 100 Hz, 120 Hz, 1 kHz, 10 kHz, 100 kHz Niveau d'essai 0,1 Vmrs, 0,3 Vrms, 1 Vrms Impédance de sortie 100 Ω Paramètres de mesure Primaire : L/C/R/Z/DCR Secondaire : D/Q/Θ/ESR Test de vitesse DSR Rapide (20 fois/s), moyen (5 fois/s) ou lent (2 fois/s) Gamme Auto/Maintien Plage de tolérance 1%~20% Mode équivalent Série/Parallèle Effacement de la connexion Circuit ouvert/court-circuit Fusible des ports de test 0,1 A/250 V Interface de Communication Mini-USB Lecture MAX des paramètres primaires 99999 Résolution MINI 0,0001 Précision maximale 0,10% L 0,00 µH~99,999 H C 0,00 pF~99,999 mF Z/R 0,0000 ~ 9,9999 MΩ RSE 0,0000 Ω ~ 999,99 Ω D 0,0000 ~ 9,9999 Q 0,0000 ~ 99999 Θ -179,9°~179,9° RCD 0,01 mΩ ~ 20 000 MΩ Source de courant Batterie lithium-polymère 3,7 V/1 800 mAh Afficher Écran LCD TFT 2,8" (320 x 240) Dimensions 93x192x44mm Poids 420g Inclus Compteur LCR UT622E Carte de court-circuit Fils de test Kelvin à quatre bornes Cable USB Manuel Téléchargements Fiche de données Manuel Logiciel

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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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Der Themenbereich Solartechnik hat in 2023 vor allem auch wegen der Aussetzung der Mehrwertsteuer für alle Produkte und Dienstleistungen im direkten Zusammenhang mit Solaranlagen einen beispiellosen Boom in Deutschland erfahren. Die Nachfrage nach Anlagen aller Arten und Größenordnungen ist enorm gestiegen. Dieses Special bietet viele kleine Schaltungen vom Solar-Akkulader über solare Nachführsteuerungen bis hin zu Regelungen für Warmwasseranlagen und Tipps aus den unterschiedlichsten Bereichen der Solartechnik. Außerdem gibt es noch einen umfangreichen Beitrag zum Thema Balkonkraftwerke und wie man diese „ins Internet“ bringt plus praktische Informationen zum Aufbau und der Technik hinter Solarmodulen. Inhalt Grundlagen Photovoltaik-Systeme Berechnen und RealisierenGrundlegende Zusammenhänge und neue Entwicklungen zum Thema Energiegewinnung aus der Sonne. LichtsensorikTageslicht mit LEDs gemessen. SonnenstromSolares Laden mit und ohne Laderegler. Kabelquerschnitte und Energieverluste in SolaranlagenWichtige Gedanken zu unterschiedlichen Maximalwerten im Hinblick auf den Strom, der durch Solaranlagenkabel fließen darf. SolarmoduleWas Sie schon immer über Solarpanels wissen wollten… Ideal Diode Controller„Dioden“ mit geringer Verlustleistung. Projekte EnergieloggerEnergie messen und aufzeichnen. Winzige SolarversorgungSonnenlicht rein, 3,3 V raus. DIY-DTUDaten kleiner Wechselrichter per μC auslesen. Solar ChargerSolarladegerät für unterwegs. Regelung für Solar-WarmwasseranlagenEnergiegewinnung auf hohem Niveau. MPP T-SolarladerMaximale Leistung aus der Sonne. HeliostatSonne und Sternen auf der Spur. Solar-LeuchteEinfach (und) funktionell. Solarspannungswandler für IoT-GeräteDas Licht in Innenräumen nutzen. Akkulader für GlobetrotterEnergie vom Himmel. Solar-AkkuladerMit Schutz gegen Tiefentladung. Akkulader mit SolarzellenPIC12C671 umgeht Über- und Tiefenladen. Spannungswandler für Photovoltaik-ModuleEin Beitrag von Transfer MultisortElektronik. Solar-LadereglerFür Panele bis 53 Watt. Sonnenkur für müde Akkus Überwachung von SolarmodulenErkennen und Lokalisieren von problematischen Panels in großen Anordnungen. Akkulader mit Solarzellen und MAX1771. Balkonkraftwerk 2.0Alles neu: Solarpanels, Aufstellung und Wechselrichter. Tipps Solar-Feuchtesensor Solar-Lader mit hohem Wirkungsgrad Shunt für Solaranlage Nachführung für Solarmodul zBot: Solar/Batterie-Stromversorgung Simpler Solar-Lader Solarzellen-Spannungsanzeige Solar-Nachtlicht Alternativer Solarakkulader

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High-End mit Röhren (PDF)

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Una ricca selezione di articoli dal Mondo Elektor! Gli articoli di questo libro sono una selezione accurata, il "meglio del meglio" di circuiti e progetti recenti, realizzati da tecnici di grande talento provenienti da tutto il mondo. Nel tipico stile di Elektor, questa raccolta offre qualcosa di interessante per tutti, dai progettisti esperti a coloro che praticano l'elettronica nel tempo libero. Sommario Super Servo TesterProva Fino a Quattro Servocomandi, Stand-Alone o in Sistema The TubeUn Insolito Amplificatore a Valvole Cloc 2.0La Sveglia che Avete Sempre Desiderato Stazione Meteo LoRa Low-PowerCostruitevi una Stazione Meteorologica “Long Range” Uscita Video con Microcontrollori (Parte 1)Video Composito Uscita Video con Microcontrollori (Parte 2)Uscita VGA e DVI Un Raspberry Pi Pico come Analizzatore di SpettroFFT su Base Hardware a Basso Costo PIC O’Clock – In Contatto col TempoProgettare un Ricevitore di Segnali Orari SDR Frequenzimetro di Rete ACMisura Frequenza e Tensione della Rete Elettrica Generatore di Funzioni con Arduino NanoNano + Codice = Generatore di Funzioni Monitor CO2Un Approccio Fai-Da-Te per Il Controllo della Qualità dell‘Aria ChatMagLevLa Levitazione Magnetica con AI Alimentatore Lineare Variabile Combinato0…50 V / 0…2 A con Struttura Simmetrica Duale Ricevitore Digitale FM con Arduino e TEA5767Restate in Ascolto con un Arduino Nano Protezione Antigelo per Piante da FruttoCon Registrazione della Temperatura Carico Elettronico con Generatore di clock IntegratoPer Collaudare Alimentatori, Convertitori di Tensione e Batterie 128 Termostato Web con ESP32Mantieni il Vino alla Giusta Temperatura Iniezione di Segnali e di Potenza......per Rilevare le Interruzioni nei Cavi DIY LiPo Supercharger KitDal Prototipo al Mercato di Massa Livella Digitale con Stroboscopio AttivoCalibra il Tuo giradischi con Questo Strumento "Tutto-in-Uno" The Game of Life – 262.144 Modi di GiocareDal Progetto di un Lettore Rilevatore di PerditeCollegato ad Arduino Cloud Orologio di LissajousL’Incedere del Tempo con le Figure di Lissajous Mastermind – Controllato da ArduinoUna Versione Moderna del Classico Gioco di Decifrazione Generatore Audio Analogico 1 kHzOnda Sinusoidale a Bassa Distorsione Aggiorna il tuo Caricabatteria (Parte 1)Non Buttarlo, Modificalo! Aggiorna il tuo Caricabatteria (Parte 2)Non Buttarlo, Modificalo! Sistemi GNSS RTK a Basso CostoCon Accuratezza a Livello Centimetrico Esperimenti a 10 GHz con LNB Satellitari ModificatiSbloccare la Banda X a Basso Costo Telecamera per FerromodellismoInstalla un Modulo ESP32 CAM a Bordo! Monitor di Tensione con MicrocontrolloreProtezione dalla Scarica Profonda per Batterie e Altro Nodo Sensore AutonomoTrasmissione Dati LoRa con Alimentazione a Batterie Solari Layout e Sicurezza sul PCBConsigli per un Progetto Sicuro e Durevole

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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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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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Elektor GREEN and GOLD members can download their digital edition here. Not a member yet? Click here. PbMonitor v2.0 UpdateBattery Monitoring with Improved Analog Design Audio Latency MeasurementA Standalone Tool for Evaluating Errors and Latency in Audio Transmission Square Wave vs. Bode PlotChecking the Performances of an Audio Device embedded world 2026 Clever Coding with AIAI in Software Development for Electronics Engineers QA403 Audio AnalyzerAffordable Precision for Audio Professionals and Hobbyists EasyGimbalAutonomous Camera Tracking with AI, Stepper and Servo Motors Sigfox Breakout Board (2)Sending Messages Circuit ProtectionControlling Overvoltages with TVS Diodes Emerging Battery Testing ApproachesA New Era of Diagnostics AudiotronicsA First Preamplifier CANopenTermAn Open-Source Tool That Brings CAN to Makers and Engineers Alike Stabilization of Operational AmplifiersAvoiding Feedback Instability Err-lectronicsCorrections, Updates, and Readers’ Letters Signal ConditioningTips and Tricks to Fit Voltage Ranges TDR Attachment for OscilloscopesLength, Short Circuit, Mismatch: Measure Cables Using Reflections! From Life's ExperienceLED It Be Speaker Oscillator and Resonance TesterA Fully Experimental Project for Your Speakers Elektor Community Perspectives on Test and Measurement ESP32 Audio Transceiver Board (Part 5)Audio Processing and Remote Control 2026: An AI OdysseyAI Has a Context Problem Battery Storage for Balcony Power PlantsSmall Batteries, Big Impact

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A Toolbox for Audio Lovers and Engineers Without any ambition to reach scientific levels, this book aims to be a toolbox for both audio lovers and high-end equipment designers. The elementary theory presented is the bare minimum for readers to grasp the operation and practical use of electrical, electromagnetic, physics, and electronic operations available in the designers’ toolbox. Each tool is explained in a minimum of words and theory without needless coverage of underlying equations or figures. The book chapters guide you through the process of designing quality amplifiers with vacuum tubes, from the very beginning, considering both technical and subjective requirements – in theory and practice. The book is a compilation of the author’s notes used in his professional and educational career but was nevertheless primarily written as a result of true love for the audiophile hobby.

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Whether you are an electronics enthusiast or engineering professional, this book provides the reader with an introduction to the use of the CadSoft’s EAGLE PCB design software package. EAGLE is a user-friendly, powerful and affordable software package for the efficient design of printed circuit boards. It offers the same power and functionality to all users, at a smaller cost than its competitors. A free version of EAGLE is available to enthusiasts for their own use. EAGLE can be used on the main computing platforms including: Microsoft Windows (XP, Vista or Windows 7); Linux (based on kernel 2.6 or above) and Apple Mac OS X (Version 10.6 or higher). Any hardware that supports these software platforms will run the EAGLE application. The book is intended for anyone who wants an introduction to the capabilities of EAGLE. The reader may be a novice at PCB design or a professional wanting to learn about EAGLE, with the intention of migrating from another CAD package. This book will quickly allow you to: obtain an overview of the main modules of EAGLE: the schematic editor; layout editor and autorouter in one single interface; learn to use some of the basic commands in the schematic and layout editor modules of EAGLE; apply your knowledge of EAGLE commands to a small project; learn more about some of the advanced concepts of EAGLE and its capabilities; understand how EAGLE relates to the stages of PCB manufacture; create a complete project, from design through to PCB fabrication. The project discussed in the book is a popular, proven design from the engineering team at Elektor. After reading this book while practicing some of the examples, and completing the projects, the reader should feel confident about taking on more challenging endeavors.

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Schrittweise Einführung in das praktische Schaltungsdesign Der Einstieg in die Elektronik ist nicht so schwierig, wie man vielleicht denkt. Mit diesem Buch werden die wichtigsten Konzepte der Elektrotechnik und Elektronik auf spielerische Weise erkundet, indem verschiedene Experimente durchgeführt und Schaltungen simuliert werden. Es vermittelt Elektronik praxisnah, ohne in komplexen Fachjargon oder lange Berechnungen einzutauchen. Dadurch werden schon bald eigene Projekte ermöglicht. Es sind keine Vorkenntnisse in Elektronik erforderlich; lediglich einige grundlegende Algebra-Kenntnisse werden in wenigen einfachen Berechnungen verwendet. Viele getestete und funktionierende Projekte und Simulationen werden vorgestellt, um mit dem Aufbau elektronischer Schaltungen vertraut zu werden. Für problemloses Experimentieren – ohne die Gefahr, etwas zu beschädigen – werden zudem frühzeitig auch softwarebasierte Schaltungssimulationen vorgestellt. Lernziele: Konzepte von Spannung, Strom und Leistung Wechselstrom (AC) und Gleichstrom (DC) Grundlegende Lampenschaltungen mit Schaltern Passive Bauteile: Widerstände, Kondensatoren und Induktivitäten RC- und RCL-Schaltungen und Elektromagnetismus Lautsprecher, Relais, Summer und Transformatoren Aktive Bauteile: Dioden und LEDs, Bipolartransistoren und MOSFETs Transistorbasierte Schaltungen Optokoppler-Schaltungen Astabile und monostabile Multivibratoren Verwendung des 555-Timer-ICs Operationsverstärkertechnik Digitale Logik Beispiele: Verstärker, Oszillatoren, Filter und Sensoren Test- und Messwerkzeuge Mikrocontroller: Arduino Uno, ESP32, Raspberry Pi Pico und Raspberry Pi Datenblätter lesen und Auswahl von Komponenten EMV & EMI sowie Normen & Vorschriften

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