Technik + Sound Was wäre die heutige Rock- und Popmusik ohne Elektrogitarren und Elektrobässe? Diese Instrumente geben seit mehr als vierzig Jahren klar den Ton an. Ihr Sound wird zum großen Teil von den elektrischen Komponenten bestimmt. Doch wie funktionieren sie eigentlich? Kaum jemand ist in der Lage, diese Frage auch dem Vollblutmusiker ohne technischen Background verständlich zu beantworten. Dieses Buch beantwortet viele offene Fragen unkompliziert und in einer leicht verständlichen Art und Weise. Was bisher noch weitgehend als Herstellergeheimnis galt, entschleiert dieses Buch für jeden interessierten Musiker (auch für andere) in einer deutlichen und fundierten Art. Der Blick geht tief ins Innere der Gitarren bis in die Tonabnehmer (Pickups) und ihr elektrisches Umfeld. Damit ist die Gitarrenelektronik im Kern kein Buch mehr mit sieben Siegeln. Mit ein paar geschickten Eingriffen lassen sich viele Instrumente im Klang noch deutlich verbessern und vielseitiger machen – mit optimalem Verhältnis von investiertem Geld zu Nutzeffekt. Der Autor ist langjähriger Elektronik-Profi und aktiver Musiker. Was hier beschrieben ist, hat er alles selbst ausgiebig in der Praxis getestet.

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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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Mikrocontroller haben sich in den letzten Jahren in praktisch allen Bereichen der modernen Technik etabliert. In zunehmendem Maße dringen sie auch in die Gebiete der Künstlichen Intelligenz und der Robotertechnik vor. Das vorliegende Buch gibt eine umfassende Einführung in die Welt der Controller-Technik mit all ihren Facetten, von der einfachen Steuerung über die Sensor-Technik bis hin zur Datenübertragung in das Internet. Als Basis dafür dient das von Elektor entwickelte AVR-Playground-Board. Das Board kann mit Controllern der ATmega-Familie bestückt werden und ist mit dem bekannten Arduino-System kompatibel, so dass auch die verschiedenen Arduino-Hardware-Erweiterungen verwendet werden können. Für die Programmierung kommt die Sprache „C“ zum Einsatz. Auch hier wird im Buch auf das Arduino-System zurückgegriffen. Die frei verfügbare Arduino-Entwicklungsumgebung erlaubt den leichten Einstieg, ohne dass später Einschränkungen in Kauf genommen werden müssen. Die Hardware-nahe Programmierung steht dabei besonders im Fokus. Nach der Erläuterung von grundlegenden Anwendungen wird auf die anspruchsvolleren Themen wie Interrupts, Timer und Counter, Pulsweitenmodulation und Analog-Digital-Wandlung eingegangen. Praktische Anwendungen können sowohl mit einem Arduino als auch mit dem AVR-Playground-Board durchgeführt werden. Da das AVR-Playground-Board bereits über eine Vielzahl von Peripherie-Einheiten verfügt, sind nur noch wenige externe Bauteile erforderlich. Das Board kann im Elektor-Shop hier bezogen werden.

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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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STmicroelectronics’ wireless IoT & wearable sensor development kit ‘SensorTile.box’ is a portable multi-sensor circuit board housed in a plastic box and developed by STMicroelectronics. It is equipped with a high-performance 32-bit ARM Cortex-M4 processor with DSP and FPU, and various sensor modules, such as accelerometer, gyroscope, temperature sensor, humidity sensor, atmospheric pressure sensor, microphone, and so on. SensorTile.box is ready to use with wireless IoT and Bluetooth connectivity that can easily be used with an iOS or Android compatible smartphone, regardless of the level of expertise of the users. SensorTile.box is shipped with a long-life battery and all the user has to do is connect the battery to the circuit to start using the box. The SensorTile.box can be operated in three modes: Basic mode, Expert mode, and Pro mode. Basic mode is the easiest way of using the box since it is pre-loaded with demo apps and all the user has to do is choose the required apps and display or plot the measured data on a smartphone using an app called STE BLE Sensor. In Expert mode users can develop simple apps using a graphical wizard provided with the STE BLE Sensor. Pro mode is the most complex mode allowing users to develop programs and upload them to the SensorTile.box. This book is an introduction to the SensorTile.box and includes the following: Brief specifications of the SensorTile.box; description of how to install the STE BLE Sensor app on an iOS or Android compatible smartphone required to communicate with the box. Operation of the SensorTile.box in Basic mode is described in detail by going through all of the pre-loaded demo apps, explaining how to run these apps through a smartphone. An introduction to the Expert mode with many example apps developed and explained in detail enabling users to develop their own apps in this mode. Again, the STE BLE Sensor app is used on the smartphone to communicate with the SensorTile.box and to run the developed apps. The book then describes in detail how to upload the sensor data to the cloud. This is an important topic since it allows the sensor measurements to be accessed from anywhere with an Internet connection, at any time. Finally, Pro mode is described in detail where more experienced people can use the SensorTile.box to develop, debug, and test their own apps using the STM32 open development environment (STM32 ODE). The Chapter explains how to upload the developed firmware to the SensorTile.box using several methods. Additionally, the installation and use of the Unicleo-GUI package is described with reference to the SensorTile.box. This PC software package enables all of the SensorTile.box sensor measurements to be displayed or plotted in real time on the PC.

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With 20+ Practical Projects in Logic and Circuit Design This book is a practical guide to digital electronics, covering the essential components of modern digital systems: number systems, logic gates, Boolean algebra, combinational and sequential logic, and more. Through more than 20 structured projects, you’ll design and build digital systems using real-world components such as logic gates, multiplexers, decoders, flip-flops, counters, and shift registers. The projects range from basic LED logic circuits to digital locks, display systems, traffic light controllers, and timing-based designs. Selected projects introduce the use of tools such as CircuitVerse for circuit simulation, while several designs make use of 74HC-series logic devices, commonly used in digital hardware prototyping. Inside, you’ll find: Clear coverage of number systems and binary arithmetic Logic gate fundamentals and universal gate implementations Step-by-step projects using flip-flops, counters, and registers Real-world design with 74HC-series logic chips Techniques for designing combinational and sequential systems This book takes a design-first, application-driven approach to digital electronics—built around working circuits, tested logic, and hands-on experimentation.

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AI Projects for the Raspberry Pi with the AI HAT+ Edge AI is transforming everyday devices by putting intelligence where it matters most: directly inside the hardware. With on-device inference, a camera can recognize a visitor instantly, a phone can translate speech without streaming audio to the cloud, and a wearable can detect anomalies in real time—fast, private, and reliable even when the network disappears. This book is your practical guide to building exactly those kinds of systems with the Raspberry Pi AI HAT+ and the Hailo-8L accelerator. You’ll start with clear foundations: core AI and machine-learning concepts, how neural networks work, and what truly distinguishes Edge AI from cloud AI—plus an honest look at ethical considerations and future impacts. Then it’s straight to hands-on physical computing. Step by step, you’ll set up Raspberry Pi OS, power and cooling, and develop in Python using the Thonny IDE. You’ll learn GPIO basics with lights and servos, mount the AI HAT+ hardware, install and verify the Hailo software stack, and connect the right camera—official modules or USB webcams, even multiple cameras. From your first pipeline to real projects, you’ll run person detection, pose estimation, segmentation, and depth estimation, then level up with YOLO object detection: smart alerts, guest counters, and custom extensions. You’ll even connect vision to motion by combining gesture recognition with servo-driven mechanisms, including a robotic arm. With troubleshooting tips, hardware essentials, and a practical Python refresher, this book turns Edge AI from buzzword into buildable reality.

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Praxisnahe Projekte, Profi-Tricks und eigene Anwendungen Dieses Buch führt Sie Schritt für Schritt in die faszinierende Welt der State Machines ein und zeigt, wie Sie Hardware direkt und effizient ansteuern können – jenseits klassischer CPU-gesteuerter Ansätze. In diesem Buch lernen Sie: LEDs und NeoPixel kreativ steuern: Blinken, Dimmen, Farbwechsel und komplexe Animationen Taster und Encoder zuverlässig auslesen und in Echtzeit in Ihre Projekte integrieren Analoge Eingänge (ADC) nutzen und Signale digital steuern Servos präzise ansteuern und Bewegungsabläufe automatisieren SPI mit PIO umsetzen, um Displays, Sensoren und Module anzusteuern Menüsysteme und Submenüs auf SPI-Displays realisieren, inklusive Navigation über mehrere Taster PWM, Signalgenerierung und Frequenzsteuerung für akustische oder visuelle Effekte Debugging-Strategien und Tipps, um Ihre PIO-Programme effizient zu entwickeln Alle Beispiele sind praxisnah, sofort umsetzbar und zuverlässig. Mit klaren Anleitungen, Hintergrundwissen und fertigen Codebeispielen lernen Sie, die PIO-Fähigkeiten des Pico maximal zu nutzen – egal ob für Maker-Projekte, Prototypen oder professionelle Anwendungen. Erleben Sie, wie Sie komplexe Hardwaresteuerung elegant mit dem Pico realisieren können – schneller, flexibler und leistungsfähiger als je zuvor.

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Learn to Build Intelligent Embedded Systems Build smarter embedded systems with Arduino UNO Q. This book gives you the tools, knowledge, and confidence to turn ideas into intelligent, working solutions using the Arduino UNO Q platform. Discover how to build intelligent embedded systems with the Arduino UNO Q and AI. Unlock the full potential of the Arduino UNO Q, a next-generation platform that combines the real-time power of the STM32U585 microcontroller with the flexibility of a Qualcomm Dragonwing QRB2210 microprocessor. Learn how to rapidly prototype real-world applications using the Arduino IDE for low-level embedded control and Python in Arduino App Lab for high-level development. Build confidence through hands-on projects that guide you step by step from basic board features to complete working systems. Explore ready-to-use, AI based Arduino App Lab examples and see how they can jump-start your development and reduce time to deployment. Step into the world of Edge AI with a clear, practical introduction to Edge Impulse Studio—no prior AI experience required. Follow a complete, real-world workflow to create a Keyword Spotting AI application, covering data collection, model training, optimization, and on-device inference using the Edge Impulse Studio. Bridge the gap between embedded systems and machine learning and learn how to bring intelligence directly onto your hardware. Perfect for embedded engineers, educators, students, and makers looking to stay ahead in AI-enabled product development.

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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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Practical Projects and Programs With Experimenting with Red Pitaya STEMlab Gen 2, Red Pitaya goes beyond a versatile board. It becomes a powerful laboratory instrument for precision measurement, analysis, and control. From the fundamentals of electronic project development, monitoring, control, and design to testing, this book walks you step-by-step through everything you need to know to harness the full potential of Red Pitaya hardware and software. The book presents real-time, FPGA-based projects that are developed on a PC using the Vivado environment, then transferred to the Red Pitaya for execution and testing. You will learn about enhanced performance, expanded I/O capabilities, improved FPGA features, and advanced connectivity options that open up new frontiers for precision measurement, monitoring, and control in your embedded applications. Inside the book you will discover: A deep dive into Red Pitaya architecture and hardware design Electronic experiments using Red Pitaya for measurement and monitoring Hands-on projects using the Python programming language Practical guidance for FPGA programming using Red Pitaya Red Pitaya FPGA projects using the Verilog HDL under Vivado IDE Practical design of electronic projects including measurement and testing Step-by-step examples that bridge theory and real-world implementation Whether you are designing your own electronic circuits, developing signal analysis tools, or creating real-time control or monitoring systems, this book provides you the knowledge and confidence you need to fully learn and customize the Red Pitaya platform.

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