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C# 2010 Programmierung und PC-Anbindung (E-book)

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Smart-Home-Systeme selber bauen Smart Home- und IoT-Technik für den Arduino bietet eine Fülle von Praxisprojekten, die mit einem einzigen Kit aufgebaut werden können. Das "SunFounder Smart Home Internet of Things Kit V2.0 for Arduino" enthält über 30 Komponenten, Bauelemente und Module aus allen Bereichen der modernen Elektronik. Damit lassen sich eine Fülle von Projekten realisieren. Für den Einsteiger werden zunächst einige einfachere Einsteigerexperimente vorgestellt. Der fortgeschrittenere Anwender kann sich dagegen gleich an die komplexeren Themen heranwagen. Neben präzisen digitalen Thermometern, Hygrometern, Belichtungsmessern und verschiedenen Alarmanlagen entstehen auch praktisch einsetzbare Geräte und Anwendungen wie etwa eine vollautomatische Beleuchtungssteuerung ein digitales Thermostat eine multifunktionale Klimamessstation Zudem wird detailliert erklärt, wie Messdaten in das Internet übertragen werden. Dort sind sie grafisch darstellbar und können weltweit abgerufen werden. Auch auf die damit verbundenen Gefahren und die Problematik des Datenschutzes wird eingegangen. Die vorgestellten Praxisprojekte bleiben dabei aber nicht im Status eines „Laborprototyps“ stehen. Durch entsprechende Tipps und Hinweise entstehen vielmehr praxistaugliche Geräte, die in Haushalt, Hobby und Beruf eingesetzt werden können. Selbstverständlich können sämtliche Bauteile auch einzeln beschafft werden, so dass sich die Projekte im Buch auch ohne das komplette IoT-Kit durchführen lassen.

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Raspberry Pi goes Industry (E-book)

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High-End-Röhrenverstärker (E-book)

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A Fast-Lane Ride From Concept to Project The core of the book explains the use of the Raspberry Pi Zero 2 W running the Python programming language, always in simple terms and backed by many tested and working example projects. On part of the reader, familiarity with the Python programming language and some experience with one of the Raspberry Pi computers will prove helpful. Although previous electronics experience is not required, some knowledge of basic electronics is beneficial, especially when venturing out to modify the projects for your own applications. Over 30 tested and working hardware-based projects are given in the book, covering the use of Wi-Fi, communication with smartphones and with a Raspberry Pi Pico W computer. Additionally, there are Bluetooth projects including elementary communication with smartphones and with the popular Arduino Uno. Both Wi-Fi and Bluetooth are key features of the Raspberry Pi Zero 2 W. Some of the topics covered in the book are: Raspberry Pi OS installation on an SD card Python program creation and execution on the Raspberry Pi Zero 2 W Software-only examples of Python running on the Raspberry Pi Zero 2 W Hardware-based projects including LCD and Sense HAT interfacing UDP and TCP Wi-Fi based projects for smartphone communication UDP-based project for Raspberry Pi Pico W communication Flask-based webserver project Cloud storage of captured temperature, humidity, and pressure data TFT projects Node-RED projects Interfacing to Alexa MQTT projects Bluetooth-based projects for smartphone and Arduino Uno communications

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All you need to know about good acoustics and sound systems in performance and worship spaces! Everyone knows that the ability to hear music in balance and to understand speech is essential in any space used for performance or worship. Unfortunately, in the early 21st century, we find that buildings with good acoustics are the exception rather than the rule. Much of the fault leading to this result can be traced to the widespread perception that acoustics is a black art. In fact, scientific acoustics as developed in the last century is a well-defined engineering practice that can lead to predictable excellent results. A basic, non-engineering understanding of acoustics will help building owners, theater managers, ministers and teachers of music, performers, and other professionals to achieve their goals of excellent acoustics in venues with which they work. Performers having a basic understanding of acoustics will be able to make the most of the acoustics of the venue in which they perform. This book helps those responsible for providing good acoustics in performance and worship spaces to understand the variables and choices entailed in proper acoustic design for performance and worship. Practicing acoustical consultants will find the book a useful reference as well. The level of presentation is comfortable and straightforward without being simplistic. If correct acoustical principles are incorporated into the design, renovation, and maintenance of performance and worship venues, good acoustics will be the result.

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Mehr als 50 Grundlagenprojekte mit MicroPython und dem RP2040-Mikrocontroller Der Raspberry Pi Pico ist eine leistungsstarke Mikrocontroller-Platine, die speziell für das Physical Computing – also hardwarenahe Anwendungen – entwickelt wurde. Der Raspberry Pi Pico kann so programmiert werden, dass er eine einzelne Aufgabe sehr effizient ausführt und ermöglicht so schnelle Steuerungs- und Überwachungsanwendungen in Echtzeit. Der 'Pico', wie wir ihn nennen, basiert auf dem schnellen, effizienten und kostengünstigen Dual-Core ARM Cortex-M0+ RP2040 Mikrocontroller-Chip, der mit bis zu 133 MHz läuft und über 264 KB SRAM und 2 MB Flash-Speicher verfügt. Neben dem großen Speicher hat der Pico noch weitere attraktive Eigenschaften, darunter eine große Anzahl von GPIO-Pins sowie gängige Schnittstellen wie ADC, SPI, I²C, UART und PWM. Als Krönung bietet der Chip schnelle und genaue Timer, eine Hardware-Debug-Schnittstelle und einen internen Temperatursensor. Zur Programmierung lassen sich leicht die gängigen Hochsprachen wie MicroPython oder C/C++ verwenden. Dieses Buch ist eine Einführung in die Verwendung des Pico mit der Programmiersprache MicroPython. In allen Projekten wird die Thonny-Entwicklungsumgebung (IDE) eingesetzt. Über 50 Projekte decken folgende Themen ab: Installation von MicroPython auf dem Raspberry Pi Pico Timer-Interrupts und externe Interrupts Projekte mit Analog-Digital-Wandler (ADC) Verwendung des internen sowie externer Temperatursensoren Datenlogger Projekte zur PWM, UART, I²C-Bus und SPI-Bus Wi-Fi und Bluetooth für die Kommunikation mit Smartphones Projekte mit dem Digital-Analog-Wandler (DAC) Alle in diesem Buch vorgestellten Projekte wurden vollständig getestet und sind funktionsfähig. Es werden keine Programmier- oder Elektronikkenntnisse vorausgesetzt, um sie nachzuvollziehen. Für alle beschriebenen Projekte gibt es kurze Beschreibungen, Blockdiagramme, detaillierte Schaltpläne und vollständige MicroPython-Programmlistings. Die Listings sind auch auf der zum Buch gehörenden Elektor-Webseite zu finden.

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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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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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Ready-to-use devices and self-built Arduino nodes in the 'The Things Network' LoRaWAN has developed excellently as a communication solution in the IoT. The Things Network (TTN) has contributed to this. The Things Network was upgraded to The Things Stack Community Edition (TTS (CE)). The TTN V2 clusters were closed towards the end of 2021. This book shows you the necessary steps to operate LoRaWAN nodes using TTS (CE) and maybe extend the network of gateways with an own gateway. Meanwhile, there are even LoRaWAN gateways suitable for mobile use with which you can connect to the TTN server via your cell phone. The author presents several commercial LoRaWAN nodes and new, low-cost and battery-powered hardware for building autonomous LoRaWAN nodes. Registering LoRaWAN nodes and gateways in the TTS (CE), providing the collected data via MQTT and visualization via Node-RED, Cayenne, Thingspeak, and Datacake enable complex IoT projects and completely new applications at very low cost. This book will enable you to provide and visualize data collected with battery-powered sensors (LoRaWAN nodes) wirelessly on the Internet. You will learn the basics for smart city and IoT applications that enable, for example, the measurement of air quality, water levels, snow depths, the determination of free parking spaces (smart parking), and the intelligent control of street lighting (smart lighting), among others.

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Designing, Wiring, and Controlling Build Your Own Coffee Roaster is a practical guide to constructing and operating the Cobra Smart Roaster and its companion Open Roaster Controller (ORC). The e-book walks the reader through every stage of the build, from assembling the powerhead and wiring the system to installing and configuring the controller. Along the way, you’ll learn how to use the Raspberry Pi to bring precision and flexibility to your roasting process. Clear, step-by-step chapters cover: Powerhead construction and required components Low- and high-voltage wiring Installing the ORC, network setup, and using the web interface Roasting coffee with the Cobra in different setups, including hand-stir and bread-machine roasting Advanced topics such as manual mode, fixed profiles, Artisan-Scope connections, and ORC system programming A complete parts list, practical guidance throughout, and concise explanations make this e-book a useful reference for anyone interested in building, modifying, or understanding their own coffee-roasting system.

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Motorsteuerung mit Arduino und Raspberry Pi (E-book)

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