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The ESP8266 from Espressif is a Wi-Fi microchip with full TCP/IP stack and microcontroller capability. It has made waves in the maker community with its low price. But many developers were unhappy with ESP8266's high power consumption. The ESP32, equipped with a ULP (Ultra Low Power) coprocessor, offers a remedy for this. This e-book features a number of projects featuring ESP32 & ESP8266 as well as an interview with the CEO of Espressif Teo Swee Ann. Articles ESP32 for Use in Industry 4.0 Equipment Scrolling Message Display, 512 LEDs controlled over Wi-Fi via an ESP-12F The Connected Greenhouse IoT demonstration project using MQTT and Node-RED VFD-tube Clock with ESP32 with an accurate Internet-derived time ESP32 Low Power DCF77 Emulator with ESP8266 ESP8266 on the Elektor Android I/O Board The Reason Behind the Hugely Popular ESP8266? Wi-Fi Desktop Thermostat Timers for the Wi-Fi Desktop Thermostat PlatformIO, the Universal Programming Tool Weather Display, Visualize current weather data on an LC display GoNotify, a Flexible IoT Sensor Interface ESP32 for Power Users USB Programming Adaptor for ESP8266 Getting started with ESP32 and the Arduino IDE MicroPython, Python for small systems RGBDigit Clock WLAN for Microcontrollers Return of the Wi-Fi Controller Board Compact and Self-contained WLAN

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The Unitree G1 is a modern humanoid robot that impresses with its remarkable flexibility and advanced technology. With an exceptionally wide range of joint movement and up to 43 joint motors, it exceeds the agility of a typical human. Powered by imitation learning and reinforcement learning, its robotic systems are continuously developed and optimized through artificial intelligence. One of the G1's most impressive features is its ability to autonomously move into a walking position as soon as it touches the ground – no external assistance required! It can immediately start moving, demonstrating a high level of independence and adaptability. The G1 is also equipped with a force-controlled, highly dexterous hand that operates with both sensitivity and precision, thanks to its combination of force and position control. This hand closely mimics human movements, allowing for precise object manipulation. Features Intel RealSense D435 Depth Camera Livox MID-360 3D LiDAR Microphone array (noise and echo cancellation) 5 W stereo speaker Extra large quick release battery Single arm degrees of freedom (shoulder 2 + elbow 2) Hollow joint wiring of the whole machine (no external cables) Maximum torque at joints 120 N.m Single leg degrees of freedom (hip 3, knee 1, ankle 2) Moving speed of 2 m/s Specifications Height, Width and Thickness (Stand) 1320 x 450 x 200 mm Height, Width and Thickness (Fold) 690 x 450 x 300 mm Weight (with Battery) approx. 35 kg Total Degrees of Freedom（Joint Freedom 23 Single Leg Degrees of Freedom 6 Waist Degrees of Freedom 1 Single Arm Degrees of Freedom 5 Joint output bearing Industrial grade crossed roller bearings (high precision, high load capacity) Joint motor Low inertia high-speed internal rotor PMSM (Permanent Magnet Synchronous Motor – better response speed and heat dissipation) Maximum Torque of Knee Joint 90 N.m Arm Maximum Load approx. 2 kg Calf + Thigh Length 0.6 m Arm Span approx. 0.45 m Extra Large Joint Movement Space • Waist joint: Z ±155°• Knee joint: 0~165°• Hip joint: P ±154°, R -30~+170°, Y ±158° Full Joint Hollow Electrical Routing Yes Joint Encoder Dual encoder Cooling System Local air cooling Power Supply 13 string Lithium battery Basic Computing Power 8-core high-performance CPU Sensing Sensor Depth Camera + 3D LiDAR Microphones 4 Microphone Array Speaker 5 W stereo speaker Wireless WiFi 6, Bluetooth 5.2 Smart Battery (Quick Release) 9000 mAh Charger 54 V/5 A Manual Controller Yes Battery Life approx. 2 hours Upgraded Intelligent OTA Yes

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in 10 captivating lessons Using the lessons in this book you learn how to program a microcontroller. You’ll be using JAL, a free but extremely powerful programming language for PIC microcontrollers, which enjoys great popularity in the hobby world. Starting out from scratch virtually, you slowly build up the knowledge. No previous knowledge is needed: anyone can get started with this book. Assuming you have absorbed all lessons – meaning you have actually completed all the exercises – you should be confident to write PIC microcontroller programs, as well as read and understand programs written by other people. JAL commands You learn the function of JAL commands such as include, pin, delay, forever loop, while loop, case, exit loop, repeat until, if then, as well as the use of functions, procedures and timer- and port interrupts. JAL programs You make an LED blink, build a time switch, measure a potentiometer’s wiper position, produce sounds, suppress contact bounce, and control the brightness of an LED. And of course you learn to debug, meaning: how to spot and fix errors in your programs. Hardware You learn to recognize various components including the PIC microcontroller, potentiometer and quartz crystal, and how to wire up a PIC microcontroller and effectively link it to your PC. A breadboard is used for the purpose, allowing you to easily modify the component arrangement for further experimenting. The companion software with this book can be downloaded free of charge, including the JAL programming language. In addition, you may order a kit of parts so you don’t have to go shopping for the required components. Especially for a beginner, this is the easiest way to start with this unique pastime. Having finished this book does not mean you are through with your pastime. You can get your hands dirty again, and if desired use other books packed with fun projects using the JAL programming language. More information may be found at the end of the lessons in the chapter "Done! What’s next?""

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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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Hands-on in more than 50 projects STM32 Nucleo family of processors are manufactured by STMicroelectronics. These are low-cost ARM microcontroller development boards. This book is about developing projects using the popular STM32CubeIDE software with the Nucleo-L476RG development board. In the early Chapters of the book the architecture of the Nucleo family is briefly described. The book covers many projects using most features of the Nucleo-L476RG development board where the full software listings for the STM32CubeIDE are given for each project together with extensive descriptions. The projects range from simple flashing LEDs to more complex projects using modules, devices, and libraries such as GPIO, ADC, DAC, I²C, SPI, LCD, DMA, analogue inputs, power management, X-CUBE-MEMS1 library, DEBUGGING, and others. In addition, several projects are given using the popular Nucleo Expansion Boards. These Expansion Boards plug on top of the Nucleo development boards and provide sensors, relays, accelerometers, gyroscopes, Wi-Fi, and many others. Using an expansion board together with the X-CUBE-MEMS1 library simplifies the task of project development considerably. All the projects in the book have been tested and are working. The following sub-headings are given for each project: Project Title, Description, Aim, Block Diagram, Circuit Diagram, and Program Listing for the STM32CubeIDE. In this book you will learn about STM32 microcontroller architecture; the Nucleo-L476RG development board in projects using the STM32CubeIDE integrated software development tool; external and internal interrupts and DMA; DEBUG, a program developed using the STM32CubeIDE; the MCU in Sleep, Stop, and in Standby modes; Nucleo Expansion Boards with the Nucleo development boards. What you need a PC with Internet connection and a USB port; STM32CubeIDE software (available at STMicroelectronics website free of charge) the project source files, available from the book’s webpage hosted by Elektor; Nucleo-L476RG development board; simple electronic devices such as LEDs, temperature sensor, I²C and SPI chips, and a few more; Nucleo Expansion Boards (optional).

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This is the second edition of a book aimed at engineers, scientists, and hobbyists who want to interface PCs with hardware projects using graphical user interfaces. Desktop and web-based applications are covered. The programming language used is Python 3, which is one of the most popular languages around: speed of programming being a key feature. The book has been revised and updated with an emphasis on getting the user to produce practical designs with ease – a text editor is all that is required to produce Python programs. Hardware interfacing is achieved using an Arduino Uno as a remote slave. A full description and source code of the communication interface is given in the book. The slave provides digital and analog input and outputs. Multiple Unos can be included in one project with all control code written in Python and running on a PC One project involves a PIC microcontroller with the code provided that can be loaded into the PIC using the Uno. The web applications and server are all implemented in Python, allowing you to access your electronic hardware over the Internet. The Raspberry Pi computer can be used as your web server. An introductory chapter is provided to get you started with using Linux. The book is written for use with Debian or variations including Mint or Ubuntu. All of the programs in the book are freely available, ready to use and experiment with by way of a download from Elektor.

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In Elektronica Kunst & Kunde worden alle onderwerpen behandeld die ook in standaard elektronica-leerboeken aan de orde komen, plus een groot aantal belangrijke maar vaak veronachtzaamde zaken. In dit tweede deel aandacht voor onder meer de volgende onderwerpen: phase-locked loop-schakelingen, opto-elektronica, busschakelingen, capacitieve belasting, bekabeling, interfacing timing, naaldpulsen, klokvertraging, monostabiele multivibratoren de IBM-PC en de Intel-fanilie, RS232-kabels, seriële poorten, ASCII, modems, SCSI, IPI, GPIB, parallele poorten, local-area-networks de 68000-microprocessorfamilie, perifere LSI-chips, geheugen, programmeerbare instrumenten prototypering, het ontwerpen van printplaten, wire-wrap-technieken, CAD/CAM technieken, de bouw van schakelingen HF-modules, vereenvoudigd ontwerp van HF-versterkers en high-speed schakelaars batterijen, accu's en zonnecellen; micropower-regelaars, -opamps en -microprocessoren methoden om de bandbreedte te beperken, middeling van signalen, lock-in versterkers, pulshoogte-analyse, 'multichannel-scaling'

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50 maal 'elektronica van vroeger'. In het januarinummer 2005 van het elektronica-maandblad Elektor zag de rubriek 'Retrotronica' voor het eerst het licht. Onder supervisie van Elektor-redacteur Jan Buiting wordt sindsdien elke maand een stukje 'elektronica van vroeger' opgerakeld. Tegenwoordig worden de meeste elektronische schakelingen opgebouwd rond een microcontroller die het 'denkwerk' voor zijn rekening neemt. Nog niet zo heel lang geleden echter bestonden die dingen nog niet (of waren ze onbetaalbaar); niettemin slaagden de ontwerpers van toen er (naar huidige maatstaven) verbijsterend goed in om uiterst betrouwbaar en nauwkeurig werkende schakelingen en apparatuur te bouwen. Veel apparaten blijken, na jaren op een stoffige zolder of in een vochtige kelder te hebben gestaan, na een schoonmaakactie nog perfect te functioneren -- er is dus geen reden om de 'elektronica van vroeger' met een meewarige blik te bekijken; integendeel: het zijn vaak wondertjes van vernuft en vakmanschap! In dit boek hebben we 50 bijdragen uit de rubriek 'Retrotronica' voor u gebundeld - een must voor iedereen die geïnteresseerd is in 'oude' elektronica of in de geschiedenis van het maandblad Elektor (destijds Elektuur), aangezien enkele 'klassieke' Elektuur-schakelingen prominent aan bod komen!

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Your First Steps with an ESP32-C3 and the IoTA Wi-Fi Button and Relay IoT Cloud a la Arduino Dual Geiger-Müller Tube Arduino ShieldA High Sensitivity, Very Low-Power Radiation Sensor CO2 GuardA DIY Approach to Monitoring Air Quality MonkMakes Air Quality Kit for Raspberry PiMeasures Temperature and eCO2 Starting Out in ElectronicsWelcome to the Diode Tips & Tricks for Testing ComponentsNo Expensive Equipment Required Reducing the Power Consumption of Your Mole RepellerAn ATtiny13 Replaces a 555 Light Switch DeLuxA Solution for High-Precision Light-Controlled Switching The Challenges in Bringing IoT Solutions to MarketWorries Around Security, Scalability, and Competition Infographics 5-6/2022 Preferably Wired After AllTips for Developing a 1 Gbit/s Interface in an Industrial Environment Bringing Real-Time Object Detection to MCUs with Edge Impulse FOMO Traveling-Wave TubesPeculiar Parts, the Series Narrowband Internet of ThingsStandards, Coverage, Agreements, and Modules Dragino LPS8 Indoor GatewaySpeedy LoRaWAN Gateway Setup Explore ATtiny Microcontrollers Using C and Assembly LanguageSample Chapter: ATtiny I/O Ports Err-lectronicsCorrections, Updates and Readers’ Letters LoRa GPS Tracker UpdateReceive and Show Location Using a Raspberry Pi Circuit Simulation with TINA Design Suite & TINACloudSample Chapter: Sinusoidal Oscillators From Life’s ExperienceAssembly Line Work The WinUI Graphics Framework for Windows AppsA Small Demo Application GUIs with PythonWorst GUI of the world Off-Grid Solar SystemsElectrical Energy Independent of the Mains Grid The 10-Year SmartphoneRenew Your Expectations HexadokuThe Original Elektorized Sudoku

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Comme la demande pour la pose de panneaux solaires a fortement augmenté, surtout pour les installations plus vastes que les centrales de balcon, les carnets de commandes des entreprises dans le domaine du solaire sont pleins. Si vous demandez aujourd’hui un devis, vous risquez d’attendre un moment, si votre demande n’est pas tout simplement renvoyée à une date indéterminée. Une autre conséquence de cette explosion du solaire est que certaines entreprises pratiquent des prix très élevés pour réaliser des installations. Il y a pourtant une solution évidente et radicale contre les prix excessifs : Do it yourself comme le disent les Anglais. Le prix du matériel est actuellement abordable, c’est la période idéale pour ceux qui font le travail eux-mêmes. Ils ne pourraient pas réaliser davantage d’économies. À cela s’ajoutent la satisfaction de faire quelque chose d’utile, tant sur le plan économique qu’écologique, et le plaisir de construire soi-même. Dans ce numéro spécial, vous trouverez une large sélection de montages d’Elektor, du régulateur pour panneaux solaires à celui pour chauffe-eau solaire, en passant par le système d’orientation pour panneaux solaires. Ce numéro contient également des informations pratiques sur l’installation des panneaux solaires ainsi que la technologie qu’ils renferment. Enfin plusieurs articles abordent le sujet des centrales de balcon, par exemple comment les installer, comment les connecter à l’internet… Sommaire LES BASES Calculs et principes de mise en oeuvre de panneaux photovoltaïques Analyse sensorielle de la lumière Des LED pour la mesure de la lumière diurne Hélio-courant, un jeu d’enfant Charger en solaire avec/sans régulateur Sections de câbles et pertes dans les câbles pour les installations solaires Panneaux solaires Tout ce que vous avez toujours voulu savoir sur les panneaux solaires... Contrôleur de diode idéale Circuits à diodes à faible dissipation de puissance TRUCS ET ASTUCES Chargeur solaire à haut η Détecteur d’humidité solaire Régulateur shunt pour panneau solaire Système d’orientation simple Chargeur et régulateur à cellules solaires zBot : alimentation piles/solaire Témoin de tension pour panneau solaire Veilleuse solaire Chargeur solaire vert PROJETS Enregistreur de données énergétiquesMesurer et enregistrer la consommation d’énergie Petite alimentation solaireLumière du soleil en entrée, 3,3 V en sortie Unité de transfert de données (DTU) de fabrication maisonLecture des données de petits onduleurs avec une carte à microcontrôleur Chargeur solaire portableÀ accumulateur lithium-ion Régulation solaire thermiqueÀ la recherche du point de puissance maximale Chargeur 2 A avec régulateur MPPPresse le soleil jusqu’au dernier rayon Héliostat piloté par PCÀ la poursuite des étoiles Lampe solaireMême l’éclairage de jardin se met au sans fil Convertisseur de tension de panneau solairePour éclairage intérieur et IdO Chargeur en voyageÉnergie gratuite sur les cimes Chargeur solaire/moniteur Chargeur de batteries à panneaux solaires Convertisseurs de tension pour panneaux photovoltaïques Régulateur de charge solairePour panneaux solaires de ≤53 W Cure de soleil pour batterieChargeur de batterie solaire Bus CAN + Arduino pour la surveillance des cellules solairesDétecter et localiser les panneaux défectueux dans les grands réseaux photovoltaïques

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Open-Source-Code mit Arduino IDE und PlatformIO Autonomes Fahren: GPS, Accelerometer, Gyroskop PS3-Controller Mikrocontroller wie der Arduino und Einplatinenrechner wie der Raspberry Pi haben sich zu beliebten Komponenten entwickelt. Dritter im Bunde ist der ESP32 der Firma Espressif. Mikrocontroller dieser Baureihe zeichnen sich durch eine Vielzahl implementierter Funktionen aus, die bei einem Arduino konventioneller Prägung mit einem Atmel-AVR-Mikrocontroller erst mit weiterer Hardware möglich sind. Prominentes Beispiel sind hier die WiFi- und Bluetooth-Funktionalitäten. Gegenüber einem Raspberry Pi zeichnen sie sich durch einen deutlich geringeren Preis aus. Allgemeine Informationen für die Realisierung eines Roboterauto-Projekts mit dem ESP32 sind leicht zu finden. Dabei handelt es sich aber oft nur um Ausführungen zu einem Teilaspekt, ohne inhaltliche oder funktionale Abstimmung. So ist nicht nur die Beschaffung der benötigten Informationen mühselig und zeitaufwändig, sie kann auch außerordentlich fehlerträchtig sein. Ansatzpunkt dieses Buches ist, diese Lücke zu schließen. Es geht auf verschiedene Möglichkeiten eines Chassis ein, vermittelt nötige Kenntnisse und führt schrittweise von einer einfachen Motorsteuerung zu einem komplexen sensor- und sprachgesteuerten Roboterauto. Hacks rund um GPS und eine PlayStation 3 runden die Sache ab. Inhalt Bei der Reihenfolge der Kapitel wurde versucht – beginnend bei der Darstellung von grundlegenden Informationen – über die Lösung einfacher Aufgaben zu etwas anspruchsvolleren Techniken zu führen. Der Mikrocontroller ESP32 Die Software erstellen Die Stromversorgung Rund um die Hardware Das Chassis Der Gleichstrommotor Kabellose Steuerung über WiFi Mit Sensoren Hindernisse erkennen Eine eigene Roboterauto-App Servo und Lichtsensor GPS Accelerometer / Gyroskop PS3-Controller Roboterauto-App Hinweis zur Software Die Dateien haben das Suffix (.cpp). Grund ist die Entwicklung mit PlatformIO. Mit Copy & Paste sollten sie auch in der Arduino-IDE verwendet werden können.

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Build Your Own Vintage Radio Broadcaster The Elektor AM Transmitter Kit allows streaming audio to vintage AM radio receivers. Based on a Raspberry Pi Pico microcontroller module, the AM Transmitter can transmit on 32 frequencies in the AM band, from 500 kHz up to 1.6 MHz in 32 steps of approx. 35 kHz. The frequency is selected with a potentiometer and shown on a 0.96" OLED display. A pushbutton allows toggles the transmitting mode between On and Off. The range of the transmitter depends on the antenna. The onboard antenna provides a range of a few centimeters, requiring the AM Transmitter to be placed close to or inside the radio. An external loop antenna (not included) can be connected to increase the range. The Elektor AM Transmitter Kit comes as a kit of parts that you must solder to the board yourself. Features The board is compatible with a Hammond 1593N enclosure (not included).A 5 VDC power supply with micro-USB connector (e.g., an old phone charger) is needed to power the kit (not included). Current consumption is 100 mA. The Arduino software (requiring Earle Philhower’s RP2040 Boards Package) for the Elektor AM Transmitter Kit plus more information is available at the Elektor Labs page of this project. Component List Resistors R1, R4 = 100 Ω R2, R3, R8 = 10 kΩ R5, R6, R9, R10, R11 = 1 kΩ R7 = optional (not included) P1 = potentiometer 100 kΩ, linear Capacitors C1 = 22 µF 16V C2, C4 = 10 nF C3 = 150 pF Miscellaneous K1 = 4×1 pin socket K2, K3 = 3.5 mm socket Raspberry Pi Pico pushbutton, angle mount 0.96" monochrome I²C OLED display PCB 150292-1

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