Dimmable LED and environmental measurements: we interface the Arduino Nano ESP32 to the Arduino Cloud

Introduction Dimmable LED and environmental measurements with Arduino Nano ESP32 connected in the Cloud. After getting the basics in our previous article Independent control of two LEDs with Arduino Nano ESP32: a practical introduction, it’s time to do something more complex. In this second article on the Arduino Nano ESP32, you will be guided through […]

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RFID gate access control system. Advanced integration with Raspberry Pi and Telegram

Introduction RFID gate access control system: an advanced system for access and permission management supported by the power of the Raspberry Pi. This integrated solution is designed to offer efficient and flexible access control, using RFID technology to ensure secure and rapid identification of users. At the heart of this ecosystem lies a SQLite3 database,

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Independent control of two LEDs with Arduino Nano ESP32: a practical introduction

Introduction Let’s introduce a new board from Arduino, the Arduino Nano ESP32 , released a few months ago, with this article (which is practically a “getting started” dedicated to this board) with a simple project that makes two LEDs flash independently. In particular, one of the two will flash ON/OFF while the other will gradually

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Home security: access control with ESP8266, RFID and Telegram

Introduction In the digital age we live in, home security achieved through effective access control has become a priority for many. With the advancement of technologies, it is possible to create intelligent and customized security solutions that not only improve security but also offer convenience and flexibility. In this article, we will explore an innovative

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Introduction to the MQTT protocol in IoT: the number 1 platform for interaction between devices

Introduction Welcome to the world where connectivity and interaction between devices are made possible thanks toMQTT protocol in IoT. If you are interested in learning more about this versatile protocol, you are in the right place.MQTT, an acronym for Message Queuing Telemetry Transport, is a lightweight messaging protocolefficient that has established itself as the ideal

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RFID access control with ESP8266: a simple solution

Introduction In this article we will create a simple RFID access control.In the increasingly interconnected and security-oriented era, access control becomes crucial to ensuring protected and efficiently managed environments. In this context, the use of RFID (Radio-Frequency Identification) technology and devices such as the ESP8266 takes on a central role. In our article we will

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ESP8266 Web Data Logger: create a web page to view temperature and humidity data

Introduction Welcome to the adventure of creating an ESP8266 Web Data Logger with the DHT22 sensor, enriched by the presence of SPIFFS (SPI Flash File System). This comprehensive guide will take you through building an advanced environmental monitoring system, making the process of acquiring and managing data an exciting experience. The DHT22 sensor, known for

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ESP8266 data logger: temperature and humidity measurements, SD card storage and remote access with REST API

Introduction Welcome to the ESP8266 data logger project. In this article, we will explore in depth the creation of an advanced data logger driven by an ESP8266. Our mission is to build a device that can accurately record changes in ambient temperature and humidity at regular intervals and store them neatly on an SD card.

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DIY guitar distortion effect pedal with ESP8266: construction, use and adjustment

Introduction Welcome to the world of sound customization with the creation of a distortion effect pedal for electric guitar! If you are an electric guitar enthusiast and want to explore new sound horizons, you are in the right place. In this article, we’ll dive into building a DIY guitar distortion, harnessing the power of the

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Sound engineering: build your own low pass op amp filter with adjustable cutoff frequency with digital potentiometer

Introduction Explore the world of audio by making a low pass op amp filter with adjustable cutoff frequency. Introduce yourself to the exciting world of sound engineering, where total control of your audio experience becomes a reality! In this article, I’ll walk you through building a custom low-pass filter, a powerful and versatile device that

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