PlatformIO

Projects made with PlatformIO

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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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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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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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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