NodeMCU

Projects made with the NodeMCU

Digital frequency meter with ESP32 and TFT display: an economical and essential solution for the electronics laboratory

Introduction The digital frequency meter with ESP32 is a simple but very useful tool in every electronics laboratory. In the world of electronics and circuit design, the need to accurately measure the frequencies of digital signals is critical. However, professional measurement tools, such as digital frequency meters, can be expensive and out of reach for […]

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Square wave generator with ESP32: an economical solution for circuit testing

Introduction In the world of electronics, a square wave generator or more generally a signal generator is an essential tool for testing and diagnosing circuits. A device of this kind allows you to inject a known signal into a circuit to observe how it responds, making it easier to identify any problems or anomalous behavior.

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WiFi panoramic camera: remote monitoring and control via web

Introduction WiFi panoramic camera: remote control your vision. Have you ever wanted to have complete control of your surveillance camera, being able to rotate the lens to explore every corner of your space? Thanks to the power of technology and your creativity, it is now possible. Welcome to the world of the motorized camera, a

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Control of an SG90 servomotor with ESP32 and touchscreen display

Introduction The project “Control of an SG90 servomotor with ESP32 and touchscreen display” combines the potential of the ESP32, a versatile and powerful microcontroller, with the versatility of an interactive touchscreen display, to create a sophisticated and efficient control system. The SG90 servo, with its wide range of motion and precision, is an ideal choice

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LCD TFT display for monitoring temperature and humidity with DHT22

Introduction Welcome to this hands-on exploration of the world of LCD TFT displays and environmental monitoring with the ESP32. In this article, we will dive into the universe of TFT displays, exploring their features, libraries and the potential offered, while delving into the implementation of a real-time environmental monitoring system. Starting from the basics, we

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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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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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