Clever Tricks with ATmega328 Pro Mini Boards
With a simple Pro Mini board and a few other components, projects that 20 or 30 years ago were unthinkable (or would have cost a small fortune) are realized easily and affordably in this book: From simple LED effects to a full battery charging and testing station that will put a rechargeable through its paces, there’s something for everyone.
All the projects are based on the ATmega328 microcontroller, which offers endless measuring, switching, and control options with its 20 input and output lines. For example, with a 7-segment display and a few resistors, you can build a voltmeter or an NTC-based thermometer. The Arduino platform offers the perfect development environment for programming this range of boards.
Besides these very practical projects, the book also provides the necessary knowledge for you to create projects based on your own ideas. How to measure, and what? Which transistor is suitable for switching a certain load? When is it better to use an IC? How do you switch mains voltage? Even LilyPad-based battery-operated projects are discussed in detail, as well as many different motors, from simple DC motors to stepper motors.
Sensors are another exciting topic: For example, a simple infrared receiver that can give disused remote controls a new lease on life controlling your home, and a tiny component that can actually measure the difference in air pressure between floor and table height!
Program and Build Raspberry Pi 5 Based Ham Station Utilities with the RTL-SDR
The RTL-SDR devices (V3 and V4) have gained popularity among radio amateurs because of their very low cost and rich features. A basic system may consist of a USB based RTL-SDR device (dongle) with a suitable antenna, a Raspberry Pi 5 computer, a USB based external audio input-output adapter, and software installed on the Raspberry Pi 5 computer. With such a modest setup, it is possible to receive signals from around 24 MHz to over 1.7 GHz.
This book is aimed at amateur radio enthusiasts and electronic engineering students, as well as at anyone interested in learning to use the Raspberry Pi 5 to build electronic projects. The book is suitable for both beginners through experienced readers. Some knowledge of the Python programming language is required to understand and eventually modify the projects given in the book. A block diagram, a circuit diagram, and a complete Python program listing is given for each project, alongside a comprehensive description.
The following popular RTL-SDR programs are discussed in detail, aided by step-by-step installation guides for practical use on a Raspberry Pi 5:
SimpleFM
GQRX
SDR++
CubicSDR
RTL-SDR Server
Dump1090
FLDIGI
Quick
RTL_433
aldo
xcwcp
GPredict
TWCLOCK
CQRLOG
klog
Morse2Ascii
PyQSO
Welle.io
Ham Clock
CHIRP
xastir
qsstv
flrig
XyGrib
FreeDV
Qtel (EchoLink)
XDX (DX-Cluster)
WSJT-X
The application of the Python programming language on the latest Raspberry Pi 5 platform precludes the use of the programs in the book from working on older versions of Raspberry Pi computers.
Radios selber bauen ist zwar ein altes, aber auch heute ein immer noch aktuelles Thema. Lange Zeit war das Radiobasteln der Einstieg in die Elektronik. Inzwischen gibt es zwar auch andere Wege, vor allem über Computer, Mikrocontroller und die Digitaltechnik. Allerdings kommen die analogen Wurzeln der Elektronik oft zu kurz. Die Radiotechnik eignet sich besonders gut als Lernfeld der Elektronik, weil man hier mit den einfachsten Grundlagen beginnen kann. Aber auch die Verbindung zur modernen Digitaltechnik liegt auf der Hand, wenn es z. B. um digitales Radio geht.Die Hochfrequenztechnik ist eines der Gebiete, auf denen man auch heute noch eigene Ideen relativ leicht in die Tat umsetzen kann. Unzählige Schaltungsvarianten mit besonderen Zielsetzungen geben Raum für sinnvolle Experimente und Projekte. Vieles kann man eben nicht einfach kaufen. Detektorradios ohne eigene Energiequelle, einfache Röhrenempfänger mit dem besonders angenehmen Klang, die ersten Empfangsversuche mit dem digitalen Rundfunk DRM oder Spezialempfänger für den Amateurfunk, all dies lässt sich mit wenig Aufwand realisieren.Neben dem alten Detektorempfänger sind vor allem Röhrengeräte und das moderne digitale Radio DRM interessante Themen; erst recht, wenn man einen leistungsfähigen Röhrenempfänger für DRM baut. Aber auch der Bau eines Audioempfängers oder einfacher Transistorradios für Mittel- und Kurzwelle ist unkompliziert und bringt eine Menge Spaß. Nicht zuletzt spielt auch hier der PC mit entsprechender Software bei der Abstimmung digital gesteuerter Oszillatoren eine entscheidende Rolle. Die Quelltexte der verwendeten Programme sind vollständig abgedruckt.
Le téléchargement intégral de ce numéro est disponible pour nos membres GOLD et GREEN sur le site Elektor Magazine !
Pas encore membre ? Cliquez ici.
stockage de l’énergieRéalisez votre propre stockage d’énergie pour réseau de panneaux photovoltaïques
simulateur de panneau solaireUne solution pour tester et optimiser les trackers MPP et les onduleurs
le concours STM32 Edge AIDécouvrez le STM32N6 et gagnez les 5000 € du concours !
Matériaux à large bande interditePourquoi y a-t-il un tel intérêt pour le SiC et le GaN ?
batterie externe pour ordinateur portableProlongez la durée de vie de votre vieil ordinateur portable
robots médicauxSurmonter les obstacles techniques et réglementaires
prévention du gel pour les vergersavec enregistrement des températures
The Analog ThingL'Arduino de l’ordinateur analogique ?
commande de relais à faible consommation d'énergieÉconomiser 90% de la puissance de commande
amélioration de la charge DC ET5410A+pour un meilleur refroidissement et moins de bruit
electronica 2024 : rétrospective
compatibilité électromagnétiqueLa CEM en quelques mots !
démarrer en électronique......Filtres actifs
réduisez les pertes des chutes de tension avec des condensateursprofitez astucieusement de la réactance capacitive
le MCP4725 : un convertisseur numérique-analogique 12 bits pas cheravec une fonction EEPROM pour un comportement sûr au démarrage
la pince de test intelligente Fnirsi LCR-ST1 pour CMS
labo de test et de mesure personnel basé sur Raspberry PiPour commencer : l'ADC
une charge électroniqueUn projet prêt à l'emploi
2025 : l'odyssée de l'IAQuelques projets pour le nouvel an
AmpVolt v2.0 : mise à jour100 A et plus !
projet 2.0Corrections, mises à jour et courrier des lecteurs
transparence éthiqueCe que révèle l’enquête réalisée par Ethics in Electronics
carte Elektor Audio DSP FX Processor (2)Création d'applications
Elektor GREEN en GOLD leden kunnen deze uitgave hier downloaden.
Nog geen lid? Klik hier om een lidmaatschap af te sluiten.
PbMonitor v1.0Een accu-bewakingssysteem voor UPS en energieopslag toepassingen
Zonne-laadregelaar met MPPT (1)basisprincipes van een zonne-laadregelaar voor autonome systemen
Integrerende B-veld magnetometermet zelfgemaakte sensoren
Precies of nauwkeurig?Je instrumenten moeten het allebei zijn!
AD7124 Een precisie-ADC in de praktijkEssentieel voor Sensorsignaalconditionering
PID-regeltoolGemakkelijk PID-parameters optimaliseren
embedded world 2025
Alle begin......gaat verder met de toonregeling
Academy Pro BoxBoek + onlinecursus + hardware
Milliohmmeter adapterGebruik de nauwkeurigheid van uw multimeter
De volgende sprong in halfgeleidersVoorwaarts naar 1,4nm
Through-hole connectorenHet beste van twee werelden: THR
FrequentietellerDraagbaar en Automatische Kalibratie met GPS
Analoge metersVreemde onderdelen, de serie
Stand-alone kristaltesterhoe nauwkeurig is uw kloksignaal?
Goedkope I²C-testersluit I²C-apparaten rechtstreeks op uw PC aan
Uit het leven gegrepenwie het kleine niet eert...
2025: een AI-odysseede transformerende invloed op softwareontwikkeling
Err-lectronicsCorrecties, updates en ingezonden brieven
Raspberry Pi standalone MIDI-synthesizer (2)We verbeteren onze setup met intelligentie
Norton-getransformeerde wienbrug-oscillatorkleine verandering, grote verbetering
Test van een 10-cent-controllerde CH32V003 RISC-V microcontroller en MounRiver Studio in de praktijk
Een FPGA-gebaseerde audiospeler met equalizer (2)volumeregeling, geavanceerd mixen en een webinterface
Elektor GREEN en GOLD leden kunnen deze uitgave hier downloaden.
Nog geen lid? Klik hier om een lidmaatschap af te sluiten.
OBD2-sensordashboardOude meters vormden het startpunt van een zoektocht naar echte gegevens
OBD2: voeg een toerenteller en schakelindicator toe aan je autoRetro, maar uiterst nuttig
LiDAR- en Visiesensoren voor Robotica
Sensor+Test 2025 en PCIM 2025
Contactloze E-Veldmetingen (1)Een Trillende Membraan voor het Detecteren van Gelijkspanningen of Statische Elektrische Velden
Draadloze brievenbusmeldervan optische sensoren tot radar: enkele mogelijkheden
Elektor Mini-Wheelieeen zelfbalancerende robot
ZonnecellenVreemde onderdelen, de serie
Aan de slag met een moderne radarsensorStaat een nauwkeurige meting op uw radar?
Uit het leven gegrepenpapierfabriek
CybersecurityZware tijden voor hackers
Infographics: IoT en sensoren 2025
Bluetooth 6.0 brengt verbeterde toepassingen voor afstandsbepalingNieuwe versie biedt betere apparaatpositionerings- en -locatieservices
Draadloze communicatie verkennen met BeagleY-AI
Err-lectronicsCorrecties, updates en lezerspost
Alle begin......sluit het thema opamps af
Een krachtige AI-codeerassistentsneller ontwikkelen met Continue en Visual Studio Code
Zonne-laadregelaar met MPPT (2)Het schema
Ultrasone obstakeldetectoreen eenvoudig project om slechtzienden te helpen
2025: Een AI-odysseeHalfjaaroverzicht
Raspberry Pi Standalone MIDI-synthesizer (3)Het slimmer maken en een gebruikersinterface toevoegen
Meshtastic: een demonstratieprojectEen slim netwerk van LoRa-radio's
Analoge audio-frequentiegeneratorHoogwaardige sinusgenerator met instelbare frequentie
Ready to explore the world around you? By attaching the Sense HAT to your Raspberry Pi, you can quickly and easily develop a variety of creative applications, useful experiments, and exciting games.
The Sense HAT contains several helpful environmental sensors: temperature, humidity, pressure, accelerometer, magnetometer, and gyroscope. Additionally, an 8x8 LED matrix is provided with RGB LEDs, which can be used to display multi-color scrolling or fixed information, such as the sensor data. Use the small onboard joystick for games or applications that require user input. In Innovate with Sense HAT for Raspberry Pi, Dr. Dogan Ibrahim explains how to use the Sense HAT in Raspberry Pi Zero W-based projects. Using simple terms, he details how to incorporate the Sense HAT board in interesting visual and sensor-based projects. You can complete all the projects with other Raspberry Pi models without any modifications.
Exploring with Sense HAT for Raspberry Pi includes projects featuring external hardware components in addition to the Sense HAT board. You will learn to connect the Sense HAT board to the Raspberry Pi using jumper wires so that some of the GPIO ports are free to be interfaced to external components, such as to buzzers, relays, LEDs, LCDs, motors, and other sensors.
The book includes full program listings and detailed project descriptions. Complete circuit diagrams of the projects using external components are given where necessary. All the projects were developed using the latest version of the Python 3 programming language. You can easily download projects from the book’s web page. Let’s start exploring with Sense HAT.
GUI with Touch — for ESP32, RPi & Co.Graphical user interfaces with the LittlevGL library
"Not Just Any Guy's Project”Interview with Gábor Kiss-Vámosi, the developer of LittlevGL
Capaci-Meterwith two-digit Dekatron-style LED display
How To: Debounce a Mechanical Contact or SwitchA switch is either open or closed, isn't It?
Developer's ZoneTips & Tricks, Best Practices and Other Useful Information
Extendable Environmental Monitoring Systempublishes data on IoT platforms
Practical ESP32 MultitaskingTask programming with FreeRTOS and the Arduino IDE
InteractiveCorrections & Updates || Questions & Answers
Automotive Headlight TuningLegal, illegal — it matters!
Review: Toolcraft Digital Soldering Station
Arduino Pro IDE - First Impressions
Two Thermal Imaging Cameras ComparedSeek ShotPro and Seek Compact
Steeped in ElectronicsOutfitting the e-lab and e-workshop
Monsanto MAN1 LED DisplayPeculiar Parts, the series
Thermoelectric Tea TimerFirst dealings with energy harvesting
Single-Phase 1-Kilowatt AC Motor DriveThree-mode design: integral-cycle switching, phase-cut trailing, or phase-cut leading edge.
RPi Gets a Fast 3.5" Touch DisplayMore power at no extra charge
Lab, Sweet LabA glimpse of The Holy Place — no unauthorized entry.
First Steps with RISC-VTrying out the LoFive Board
Elektor Labs Challenged: a DIY LoRa Tracker
Glitches and results in electronics development
Sigfox and the IoT (2)Registration in the Sigfox network
Starting Out in ElectronicsEasier than imagined!
Analogue Electronics Design
Case Study #1 — Section 1: MEMS Microphone… Testing 1-2-3
Small Circuits RevivalCapita Selecta from the Elektor Project Suggestions Box
In a Nutshell: Text for MicrocontrollersUsing compression to save memory
Focus On: Autonomous DrivingState of the art at a glance
Start-Up Leaders and Innovators Talk “Innovation 4.0” in Munich
Lego Electronic Train Set from 196850 years on, electronic toys still fascinate
Beyond ElectronicsThe MX3D Bridge Senses the City
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
Diese Ausgabe steht allen GOLD- und GREEN-Mitgliedern auf der ElektorMagazine-Website zum Download bereit!
Sie sind noch kein Mitglied? Hier klicken!
OBD2-Sensor-DashboardEchtzeitdaten statt alter Zeigerinstrumente
OBD2: Drehzahlmesser und Schaltblitz nachrüstenRetro, aber praktisch
LiDAR- und Vision-Sensoren für die Robotik
Sensor+Test 2025 und PCIM 2025
Berührungslose E-Feld-MessungenTeil 1. Eine vibrierende Membran zur Erfassung von Gleichspannungen oder statischen elektrischen Feldern
Drahtloser Benachrichtigungsdienst für den BriefkastenVon optischen Sensoren bis zu Empfängern: Entdecken Sie verschiedene Optionen
Elektor Mini-WheelieEin selbst-balancierender Roboter
SolarzellenBemerkenswerte Bauteile
Erste Schritte mit einem modernen RadarsensorPräzise Messungen auf Ihrem Radar?
Aus dem Leben gegriffenPapierfabrik
CybersecuritySchwere Zeiten für Hacker
Siglent präsentiert seine neuen Multi-Kanal-OszilloskopeFür den Einsatz in Leistungselektronik und Embedded Design
Bluetooth 6.0 verbessert Distance-Ranging-ApplikationenNeue Version bietet bessere Positionsbestimmungs- und Ortungsdienste für Geräte
Kommunikation mit dem BeagleY-AI erkunden
Projekt 2.0Korrekturen, Updates und Leserbriefe
Aller Anfang ...ist nicht schwer: Das Ende der Operationsverstärker
Ein mächtiger KI-Code-AssistentCode-Entwicklung mit Continue und Visual Studio Code
Solarladeregler mit MPP-TrackingTeil 2: Die Schaltung
Hinderniserkennung mit UltraschallEin einfaches Projekt zur Unterstützung von Menschen mit Sehbehinderungen
2025: Odyssee in die KIHalbjahresrückblick
Standalone-MIDI-Synthesizer mit Raspberry PiTeil 3. Mit künstlicher Intelligenz und einer Benutzeroberfläche
Meshtastic: Ein DemonstrationsprojektIntelligentes Mesh-Netzwerk auf Basis von LoRa-Funkmodulen
Analoger Audio-GeneratorSinus-Generator mit einstellbarer Frequenz
For Raspberry Pi, ESP32 and nRF52 with Python, Arduino and Zephyr
Bluetooth Low Energy (BLE) radio chips are ubiquitous from Raspberry Pi to light bulbs. BLE is an elaborate technology with a comprehensive specification, but the basics are quite accessible.
A progressive and systematic approach will lead you far in mastering this wireless communication technique, which is essential for working in low power scenarios.
In this book, you’ll learn how to:
Discover BLE devices in the neighborhood by listening to their advertisements.
Create your own BLE devices advertising data.
Connect to BLE devices such as heart rate monitors and proximity reporters.
Create secure connections to BLE devices with encryption and authentication.
Understand BLE service and profile specifications and implement them.
Reverse engineer a BLE device with a proprietary implementation and control it with your own software.
Make your BLE devices use as little power as possible.
This book shows you the ropes of BLE programming with Python and the Bleak library on a Raspberry Pi or PC, with C++ and NimBLE-Arduino on Espressif’s ESP32 development boards, and with C on one of the development boards supported by the Zephyr real-time operating system, such as Nordic Semiconductor's nRF52 boards.
Starting with a very little amount of theory, you’ll develop code right from the beginning. After you’ve completed this book, you’ll know enough to create your own BLE applications.
Learn to 3D Model & 3D Print with Tinkercad
With this book and the complementary videos, you’ll be 3D printing in no time at all. This course is meant to have you make casings for electronic components but also goes into optimizing your print technique as well as adding a little flair to your 3D creations. The course is perfect for you if you just bought your (first) 3D printer and want to print your own designs as soon as possible while also being able to get more background information.
You’ll get to know the workings of a 3D printer and what software to use to model your object, not forgetting to make it print perfectly. We’ll even use the magic of 3D printing to create things that appear impossible to make (this fast and simple) with any other rapid-prototyping technique.
At the end of this course, it’ll be second nature for you to design an object for 3D printing and fine-tune your print-setting to get the perfect print!
The book includes the following 7 video tutorials:
Introduction
Basic 3D modeling for 3D printing
Modeling a casing
Post-processing
Pushing the limits
Movable parts
Snap fits