NodeMCU

Projects made with the NodeMCU

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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Step-by-Step Guide: Build an ESP8266 FM Radio with Infrared Remote Control and TFT Display

Introduction In this article, we will explore together how to transform your ESP8266 into an ESP8266 FM radio, i.e. a frequency modulation receiver controlled by an infrared remote control and equipped with a TFT display. Are you ready to dive into the world of FM radio with a touch of technological magic? The project is

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Measuring oxygen saturation and heart rate with the ESP8266 and MAX30101 Sensor: complete guide

Introduction As part of the continuous monitoring of our health, measuring oxygen saturation and heart rate is certainly an operation of primary importance. In the context of technological evolution, the integration of wearable health monitoring devices is transforming our ability to take care of ourselves more advanced than ever. In this scenario, the MAX30101 sensor

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Weather station project with ESP8266 and TFT display: real-time monitoring of weather forecasts

Introduction This weather station project with ESP8266 and TFT display is just what you need if you’ve ever wanted to have instant access to the weather forecast for your area without having to open an app on your phone or a website. With the help of an ESP8266, a powerful Wi-Fi microcontroller, and a 1.8-inch

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DIY IoT: ESP8266 and Raspberry Pi to monitor temperature and humidity via MQTT communication protocol

Introduction The Internet of Things (IoT) is revolutionizing the way we interact with the world around us. MQTT communication protocol between different devices will be illustrated in this article through the creation of a project using ESP8266 and a Raspberry Pi used to monitor environmental temperature and humidity.You will learn how to build a temperature

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Take control of gas monitoring: DIY gas sensor with SD card logging using MQ-135 sensor and DS3231 RTC

Introduction The air we breathe is a vital resource, but we often take its quality for granted. Gas sensor air monitoring has become a global priority with increasing concerns about air pollution and environmental safety. The control and management of these gases, both in industrial and domestic environments, has become fundamental to ensuring human health

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