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 […]
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.
Square wave generator with ESP32: an economical solution for circuit testing Read More »
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
WiFi panoramic camera: remote monitoring and control via web Read More »
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
Control of an SG90 servomotor with ESP32 and touchscreen display Read More »
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
LCD TFT display for monitoring temperature and humidity with DHT22 Read More »
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
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,
RFID gate access control system. Advanced integration with Raspberry Pi and Telegram Read More »
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
Independent control of two LEDs with Arduino Nano ESP32: a practical introduction Read More »
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
Home security: access control with ESP8266, RFID and Telegram Read More »
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