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Analogue Electronics and Microcontrollers Projects Hobbyist electronics can be a fun way to learn new skills that can be helpful to your career. Those who understand the basics of electronics can design their own circuits and projects. However, before you run, you need to learn to walk. It all starts with analogue electronics. You should be familiar with the simple components and circuits and understand their basic behaviors and the issues you may encounter. The best way to do this is through real experiments. Theory alone is not enough. This book offers a large number of practical entry-level circuits, with which everyone can gain the basic experience. Through the widespread introduction of microcontrollers, a new chapter in electronics has begun. Microcontrollers are now performing more and more tasks that were originally solved using discrete components and conventional ICs. Starting out has become easier and easier thanks to platforms including Bascom, Arduino, micro:bit. The book introduces numerous manageable microcontroller applications. It’s now a case of less soldering and more programming.

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Third, extended and revised edition with AVR Playground and Elektor Uno R4 Arduino boards have become hugely successful. They are simple to use and inexpensive. This book will not only familiarize you with the world of Arduino but it will also teach you how to program microcontrollers in general. In this book theory is put into practice on an Arduino board using the Arduino programming environment. Some hardware is developed too: a multi-purpose shield to build some of the experiments from the first 10 chapters on; the AVR Playground, a real Arduino-based microcontroller development board for comfortable application development, and the Elektor Uno R4, an Arduino Uno R3 on steroids. The author, an Elektor Expert, provides the reader with the basic theoretical knowledge necessary to program any microcontroller: inputs and outputs (analog and digital), interrupts, communication busses (RS-232, SPI, I²C, 1-wire, SMBus, etc.), timers, and much more. The programs and sketches presented in the book show how to use various common electronic components: matrix keyboards, displays (LED, alphanumeric and graphic color LCD), motors, sensors (temperature, pressure, humidity, sound, light, and infrared), rotary encoders, piezo buzzers, pushbuttons, relays, etc. This book will be your first book about microcontrollers with a happy ending! This book is for you if you are a beginner in microcontrollers, an Arduino user (hobbyist, tinkerer, artist, etc.) wishing to deepen your knowledge,an Electronics Graduate under Undergraduate student or a teacher looking for ideas. Thanks to Arduino the implementation of the presented concepts is simple and fun. Some of the proposed projects are very original: Money Game Misophone (a musical fork) Car GPS Scrambler Weather Station DCF77 Decoder Illegal Time Transmitter Infrared Remote Manipulator Annoying Sound Generator Italian Horn Alarm Overheating Detector PID Controller Data Logger SVG File Oscilloscope 6-Channel Voltmeter All projects and code examples in this book have been tried and tested on an Arduino Uno board. They should also work with the Arduino Mega and every other compatible board that exposes the Arduino shield extension connectors. Please note For this book, the author has designed a versatile printed circuit board that can be stacked on an Arduino board. The assembly can be used not only to try out many of the projects presented in this book but also allows for new exercises that in turn provide the opportunity to discover new techniques. Also available is a kit of parts including the PCB and all components. With this kit you can build most of the circuits described in the book and more. Datasheets Active Components Used (.PDF file): ATmega328 (Arduino Uno) ATmega2560 (Arduino Mega 2560) BC547 (bipolar transistor, chapters 7, 8, 9) BD139 (bipolar power transistor, chapter 10) BS170 (N-MOS transistor, chapter 8) DCF77 (receiver module, chapter 9) DS18B20 (temperature sensor, chapter 10) DS18S20 (temperature sensor, chapter 10) HP03S (pressure sensor, chapter 8) IRF630 (N-MOS power transistor, chapter 7) IRF9630 (P-MOS power transistor, chapter 7) LMC6464 (quad op-amp, chapter 7) MLX90614 (infrared sensor, chapter 10) SHT11 (humidity sensor, chapter 8) TS922 (dual op-amp, chapter 9) TSOP34836 (infrared receiver, chapter 9) TSOP1736 (infrared receiver, chapter 9) MPX4115 (analogue pressure sensor, chapter 11) MCCOG21605B6W-SPTLYI (I²C LCD, chapter 12) SST25VF016B (SPI EEPROM, chapter 13) About the author Clemens Valens, born in the Netherlands, lives in France since 1997. Manager at Elektor Labs and Webmaster of ElektorLabs, in love with electronics, he develops microcontroller systems for fun, and sometimes for his employer too. Polyglot—he is fluent in C, C++, PASCAL, BASIC and several assembler dialects—Clemens spends most of his time on his computer while his wife, their two children and two cats try to attract his attention (only the cats succeed). Visit the author’s website: www.polyvalens.com.Authentic testimony of Hervé M., one of the first readers of the book:'I almost cried with joy when this book made me understand things in only three sentences that seemed previously completely impenetrable.'

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In ESP32 programmeren voor beginners bekijken we de ESP32 en zijn voorganger, de ESP8266. Deze kleine, maar zeer krachtige Chinese chips bestaan uit een processor, geheugen, input- en outputaansluitingen en hebben draadloze netwerktoegang via WiFi. Met dit boek tonen we hoe de programmeeromgeving Arduino werkt en hoe die kan gebruikt worden met ESP-hardware. Aan de hand van voorbeelden en projecten verduidelijken we hoe de ESP-hardware kan worden toegepast. In vogelvlucht: We beschrijven de opbouw van ESP-experimenten. We tonen hoe displays worden aangesloten. Eeprom_24c16 demonstreert hoe een externe geheugenchip wordt gebruikt om getallen en tekst op te slaan en weer uit te lezen. Project Klok is de eenvoudige implementatie van een digitale klok. We geven een handleiding voor het gebruik van temperatuur- en luchtvochtigheidsensoren. Webclient laat zien hoe de ESP32 gegevens van het internet kan halen. Met Webserver kunnen we op afstand met een pc of smartphone gegevens halen uit een ESP32, sensoren uitlezen en toestellen aan- en uitschakelen. Een NTP-klok haalt tijdinformatie van Tijdserver. Die geeft zowel de tijd als het aantal seconden sinds 1 januari 1900. Het boek beschrijft hoe hieruit de tijd kan worden berekend. In het laatste hoofdstuk gebruiken we het internet om nauwkeurige weerinformatie en voorspellingen op te vragen.

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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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Practical Multitasking Fundamentals Programming embedded systems is difficult because of resource constraints and limited debugging facilities. Why develop your own Real-Time Operating System (RTOS) as well as your application when the proven FreeRTOS software is freely available? Why not start with a validated foundation? Every software developer knows that you must divide a difficult problem into smaller ones to conquer it. Using separate preemptive tasks and FreeRTOS communication mechanisms, a clean separation of functions is achieved within the entire application. This results in safe and maintainable designs. Practicing engineers and students alike can use this book and the ESP32 Arduino environment to wade into FreeRTOS concepts at a comfortable pace. The well-organized text enables you to master each concept before starting the next chapter. Practical breadboard experiments and schematics are included to bring the lessons home. Experience is the best teacher. Each chapter includes exercises to test your knowledge. The coverage of the FreeRTOS Application Programming Interface (API) is complete for the ESP32 Arduino environment. You can apply what you learn to other FreeRTOS environments, including Espressif’s ESP-IDF. The source code is available from GitHub. All of these resources put you in the driver’s seat when it is time to develop your next uber-cool ESP32 project. What you will learn: How preemptive scheduling works within FreeRTOS The Arduino startup “loopTask” Message queues FreeRTOS timers and the IDLE task The semaphore, mutex, and their differences The mailbox and its application Real-time task priorities and its effect Interrupt interaction and use with FreeRTOS Queue sets Notifying tasks with events Event groups Critical sections Task local storage The gatekeeper task

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59 Experiments with Arduino IDE and Python The main aim of this book is to teach the Arduino IDE and MicroPython programming languages in ESP32 based projects, using the highly popular ESP32 DevKitC development board. Many simple, basic, and intermediate level projects are provided in the book using the Arduino IDE with ESP32 DevKitC. All projects have been tested and work. Block diagrams, circuit diagrams, and complete program listings of all projects are given with explanations. In addition, several projects are provided for programming the ESP32 DevKitC using MicroPython. The projects provided in this book are designed to teach the following features of the ESP32 processor: GPIOs Touch sensors External interrupts Timer interrupts I²C and I²S SPI PWM ADC DAC UART Hall sensor Temperature sensor Infrared controller Reading and writing to SD card Reading and writing to flash memory RTC timer Chip ID Security and encryption Wi-Fi and network programming Bluetooth BLE programming Communication mobile devices Low power design ESP-IDF programming The projects have been organized with increasing levels of difficulty. Readers are encouraged to tackle the projects in the order given. A specially prepared hardware kit (SKU 18305) is available from Elektor. With the help of this hardware, it should be easy and fun to build the projects in this book.

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In 35 Projects with the Raspberry Pi and Arduino The Internet of Things (IoT) is a trend with a strong technological impulse. At home, we want to do everything on our tablets, from browsing Facebook to watching TV, from operating lights to keeping an eye on the temperature. In 35 fun projects, this book will show you how to build your own Internet of Things system. We'll cover the hardware (primarily the Raspberry Pi and Arduino) and the software that makes control via Internet possible. We employ Wi-Fi and radio links so no requirement any longer to install cabling crisscross through your home. Assuming the projects in the book are finished, you have a complete Internet of Things system that allows you to control and view of everything in your home. For example, if there's something in the mail box or the car is securely in the garage. Also, you can switch on the lights and the alarm from your couch. The crisp explanations allow the projects to be customized with ease, for example, to turn on your coffee machine or TV remotely. The index gives easy access to creative projects that can serve as an example, enabling you to do all the connecting to the IoT independently. All project software can be downloaded free of charge from the Elektor website. In this unique book, Raspberry Pi, Arduino and HTML webpages with stylesheets and JavaScript come together in clearly-described, easy-to-build projects. This special book is an essential part of your collection!

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Programmierung in Assembler und C am Beispiel der ATtiny-Familie Dieses Buch bietet einen eingehenden Blick auf die 8-Bit-AVR-Architektur in ATtiny- und ATmega-Mikrocontrollern, hauptsächlich aus der Sicht der Software und der Programmierung. Erforschen Sie die AVR-Architektur unter Verwendung von C und Assembler in Microchip Studio (früher Atmel Studio) mit ATtiny-Mikrocontrollern. Lernen Sie die Details der internen Funktionsweise von AVR-Mikrocontrollern kennen, einschließlich der internen Register und des Speicherplans von ATtiny-Bausteinen. Programmieren Sie ATtiny-Mikrocontroller mit einem Atmel-ICE-Programmiergerät/Debugger oder verwenden Sie ein preiswertes Hobby-Programmiergerät oder sogar einen Arduino Uno als Programmiergerät. Die meisten Code-Beispiele können mit dem Microchip Studio AVR-Simulator ausgeführt werden. Lernen Sie, Programme für ATtiny-Mikrocontroller in Assembler zu schreiben. Erfahren Sie, wie Assemblersprache in Maschinencodebefehle umgewandelt wird. Finden Sie heraus, wie Programme, die in der Programmiersprache C geschrieben wurden, in Assemblersprache und schließlich in Maschinencode umgewandelt werden. Verwenden Sie den Microchip Studio Debugger in Kombination mit einem Hardware-USB-Programmierer/Debugger, um Assembler- und C-Programme zu testen oder verwenden Sie den Microchip Studio AVR-Simulator. ATtiny-Mikrocontroller im DIP-Gehäuse werden verwendet, um eine einfache Nutzung auf Breadboards zu ermöglichen. Erfahren Sie mehr über Timing und Taktimpuls in AVR-Mikrocontrollern mit ATtiny-Bausteinen. Werden Sie zu einem AVR-Experten mit fortgeschrittenen Debugging- und Programmierfähigkeiten.

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Example projects with Node-RED, MQTT, WinCC SCADA, Blynk, and ThingSpeak This comprehensive guide unlocks the power of Modbus TCP/IP communication with Arduino. From the basics of the Modbus protocol right up to full implementation in Arduino projects, the book walks you through the complete process with lucid explanations and practical examples. Learn how to set up Modbus TCP/IP communication with Arduino for seamless data exchange between devices over a network. Explore different Modbus functions and master reading and writing registers to control your devices remotely. Create Modbus client and server applications to integrate into your Arduino projects, boosting their connectivity and automation level. With detailed code snippets and illustrations, this guide is perfect for beginners and experienced Arduino enthusiasts alike. Whether you‘re a hobbyist looking to expand your skills or a professional seeking to implement Modbus TCP/IP communication in your projects, this book provides all the knowledge you need to harness the full potential of Modbus with Arduino. Projects covered in the book: TCP/IP communication between two Arduino Uno boards Modbus TCP/IP communication within the Node-RED environment Combining Arduino, Node-RED, and Blynk IoT cloud Interfacing Modbus TCP/IP with WinCC SCADA to control sensors Using MQTT protocol with Ethernet/ESP8266 Connecting to ThingSpeak IoT cloud using Ethernet/ESP8266

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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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A Reference and User Guide for the Arduino Mega 2560 Hardware and Firmware A manual providing up-to-date hardware information for the Arduino Mega 2560. The Arduino Mega 2560 is an upgrade to the popular Arduino Uno board, providing more pins, serial ports and memory. Arduino is the easy to use open-source electronics platform used by hobbyists, makers, hackers, experimenters, educators and professionals. Get all the information that you need on the hardware and firmware found on Arduino Mega 2560 boards in this handy reference and user guide. Ideal for the workbench or desktop. This manual covers the Arduino Mega 2560 hardware and firmware, and is a companion volume to the Ultimate Arduino Uno Hardware Manual, which covers the Arduino Uno hardware and firmware. Contains all of the Arduino Mega 2560 hardware information in one place Covers Arduino / Genuino Mega 2560 revision 3 and earlier boards Easily find hardware technical specifications with explanations Pin reference chapter with interfacing examples Diagrams and illustrations for easy reference to pin functions and hardware connections Learn to back up and restore firmware on the board, or load new firmware Basic fault finding and repair procedures for Arduino Mega 2560 boards Power supply circuits simplified and explained Mechanical dimensions split into five easy to reference diagrams Contains circuit diagrams, parts list and board layout to easily locate components A chapter on shield compatibility explains how shields work across different Arduino boards

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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! USB-MessadapterStrom und Signalqualität von USB-Anschlüssen testen 4...20 mA Stromausgang für Arduino UnoEine zuverlässige, EMI-unempfindliche Stromschleifenschnittstelle Automatische StaubsaugersteuerungHalten Sie den Arbeitsbereich Ihrer Werkzeuge sauber DDS-Generator mit ATtiny Opamp-Tester V2Neue Platine – nun auch für SMDs geeignet 550-mW-„Lamp“-AudioverstärkerDer warme Klang von Röhren – ganz einfach SicherungswächterSicherung mit Blink-LED überwachen Hochwertiger RIAA-VorverstärkerHolen Sie das Beste aus Ihren Vinyl-Schallplatten heraus! Drahzahlkalibrator für PlattenspielerEin Arduino-basierter Stroboskopgenerator mit 100–120 Hz Infrarot-fernbedienbarer DimmerSteuern Sie Ihre Halogen- oder LED-Stehleuchte mühelos und mit Stil Wie man switch…case mit Strings in C++/Arduino IDE verwendet Magnetfindermit einfachem Hall-Effekt-Sensor Intelligenter Einschaltknopf für Raspberry PiEine Lösung für Raspberry Pi bis zum Modell 4 Essenzielle Maker-TippsProfessionelle Einblicke für den Maker-Alltag Praktische Projekte mit dem 555-TimerGleichstrommotorsteuerung und Reaktionszeitschallungen Einfacher AC-Last-Ein-MonitorEnergie sparen mit einem einfachen Gerät Powerbanks parallel schaltenEine durchgehende Stromversorgung für drei Tage VFO bis 15 MHzMit Raspberry Pi Pico Geigen-Stimmgerät mit ATtiny202 Elektor Classics: Video-Eingangsverstärker für S/W-Fernseher Kapazitätsmesser20 pF bis 600 nF Quasi-analoges Uhrwerk MkIIZwei LED-Ringe für Stunden und Minuten Sie können alles tun, was Sie wollen(mit dem Arduino-Ökosystem an Ihrer Seite) Neon-Würfel mit Glimmlampen Elektor Classics: Video-Verstärker Inspirierende Hardware-Designs für Ihre ESPs Elektor Classics: RTTY-Abgleichanzeige RGB-LEDs mit integrierter SteuerschaltungLicht mit Präzision: ICLEDs setzen Maßstäbe Experiment: Auf dem Weg zu einem Mixed-Signal-Theremin?Moderne Time-of-Flight-Sensoren im Zusammenspiel mit dem zeitlosen XR2206-Analoggenerator ESP32-Audio-Transceiver-Board (Teil 1)SD-Karten-WAV-Player-Demo Infografiken: Schaltungen & Schaltungsdesign 2025 Kleiner Audio-MixerEinfaches und vielseitiges skalierbares Design Intelligenter Treppenlicht-TimerEffiziente Lichtsteuerung zur Reduzierung des Energieverbrauchs Machen Sie Ihre Rollläden smartVelux-Hardware steuern mit ESP32 und MQTT Solid-State-FußwärmerEnergieeffizienter Komfort Ist der M5Stamp Fly Quadcopter der nächste Tello? Erhöhung der WLAN-Reichweite des ESP32-C3 SuperMiniEine einfache und wirkungsvolle Antennenmodifikation ZD-8968 Heißluft-LötstationEin preisgünstiges Arbeitstier oder nur heiße Luft? Parksensor-TesterDefekte beim PDC-System am Auto finden

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