esp32

Projects made with ESP32 board

Control of an SG90 servomotor with ESP32 and touchscreen display

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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

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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

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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

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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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Solar Power for Arduino, ESP8266 and IoT: Complete Guide to Energy Independence

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Introduction In the age of Internet of Things (IoT) and embedded technology, solar power for Arduino and other types of devices (such as, for example, ESP8266 and ESP32) have become a top priority to ensure continuous operation. Projects distributed in remote locations, far from the electricity grid, require a sustainable and reliable energy source. This

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How to control the brightness of two independent LEDs via PWM signal adjusted by two potentiometers with ESP32 and PlatformIO

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Introduction The control of the brightness of the LEDs (for example by means of potentiometers) is a fundamental element in the design of electronic systems and in the field of the Internet of Things (IoT). Thanks to PWM (Pulse Width Modulation) technology, it is possible to regulate the brightness of an LED in a precise

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How to control a DC motor via ESP32 and Bluetooth with L298N on PlatformIO

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Introduction Welcome to this article where I will walk you step-by-step through a project on how to control a DC motor using an ESP32 and an L298N based H bridge. Follow this comprehensive guide to learn how to control the direction of rotation and speed (via a PWM signal) of a DC motor from your

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How to control an SG90 servo motor via Bluetooth with ESP32

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Introduction If you’re looking to control an SG90 servo motor via Bluetooth, the ESP32 is an ideal solution. The ESP32 is a very powerful microcontroller that offers built-in Bluetooth capabilities, making it perfect for remote control projects. In this article, I’ll walk you step-by-step through the process of setting up the ESP32 to control an

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How to control an LED based on the ambient brightness with the ESP32

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Introduction In this article, we’re going to build a fairly simple project: a system that controls the brightness of an LED based on the ambient brightness. In practice, the lower the ambient brightness, the more the LED lights up and vice versa. For the detection of ambient light we will use the well-known BH1750 sensor

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How to control an ESP32 via Bluetooth

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Introduction Bluetooth is a communication system between devices that is now very widespread. We find it in our cell phones, computers, headphones and all those devices that need to communicate data over short distances and without wires. One of our favorite devices, the NodeMCU ESP32, has this type of communication natively (in addition to the

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