Surveillance with Raspberry Pi and Docker: a complete Step-by-Step tutorial

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Introduction Surveillance with Raspberry Pi and Docker: a complete step-by-step tutorial. If you are looking for a guide to building a DIY surveillance system, you are in the right place. This comprehensive tutorial will walk you through the setup of a Raspberry Pi-based system—an affordable and versatile solution, perfect for home automation and security projects. […]

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ESP32 and PlatformIO in the IoT world: interview with Ricardo Medda – 2 Chats with the Author

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Introduction On May 7, 2024, I was interviewed by Boris Landoni, director of the italian magazine Elettronica In, for the “2 Chiacchiere con l’Autore” format. We delved into the world of ESP32 and PlatformIO, exploring how this platform simplifies the development of embedded and IoT projects. The interview is inspired by the article published in

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PID controlled Boost Converter with ESP32: a comprehensive design and implementation guide

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Introduction The PID controlled Boost Converter with ESP32, presented in this article, represents an efficient and versatile solution for managing voltage variations in the power supply of electronic systems, allowing you to increase the input voltage to a desired level, while keeping the system stable and precise thanks to PID control (Proportional, Integral, Derivative). In

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Environmental monitoring with Modbus protocol, Raspberry Pi and ESP32: essential guide with REST API

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Introduction This project, focusing on the Modbus protocol, represents a perfect example of how modern technology can be used to create an efficient and scalable environmental monitoring system, using inexpensive and widely available components such as the Raspberry Pi and the ESP32. The heart of the system is a Raspberry Pi equipped with a DHT22

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Understanding major electronic components: an essential guide to analog and digital electronics

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Introduction Explore key electronic components, from their functions to practical applications, in this guide to analog and digital electronics. Discover how resistors, capacitors, inductors, diodes, transistors and LEDs contribute to technological evolution. Electronics is a branch of applied physics that studies the control and manipulation of electrons to perform useful functions. This field has transformed

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Build an effective mesh network with ESP32 and visualize data on Node-RED

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Introduction The project we are going to carry out focuses on the creation of a mesh network using ESP32 modules, with the aim of monitoring environmental parameters such as temperature and humidity, sending the collected data to an MQTT broker and viewing it in real time on a Node-RED dashboard . This system uses different

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File management on ESP32: SPIFFS and LittleFS compared

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Introduction In this article we will cover file management on ESP32. In computing, file systems are essential for organizing and managing data stored on storage devices. A file system is a structure that allows files to be stored and retrieved in an orderly manner, allowing the operating system to manage data efficiently. There are several

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Signal generator with ESP32 and AD9833 DDS module

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Introduction Signal generator with ESP32 and AD9833 DDS module. In our previous project described by article Guide to creating a simple signal generator with ESP32, we built a simple signal generator using an ESP32, capable of generating sine, square and triangle waves. This project demonstrated how the ESP32 can be used to create variable signals

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Practical guide to ESP32 communication protocols

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🌟 Featured on Adafruit Blog! We’re excited to share that this guide has been featured on the official Adafruit Blog, one of the most influential platforms in the maker and electronics community worldwide. Here’s how they mentioned us:Yes, they misspelled our name… but the link is spot on! 😄 “A practical guide to ESP32 communication

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Guide to creating a simple signal generator with ESP32

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Introduction Signal generator with ESP32. A signal generator is a fundamental instrument in electronics, used to produce waveforms of various frequencies and amplitudes. These devices are crucial for the testing, calibration and development of electronic circuits and systems. They can generate different types of waves, each with specific practical applications. It produces electronic signals with

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