#LED

Original Project Title: ESP32 - Minimalistic Messenger Project Author: Volos Projects Introduction Hello everyone! This time, we're sharing a project that uses ESP-NOW for bidirectional communica...

This blog post presents the ESP32Encoder library, detailing its features and capabilities for efficient rotation encoder reading. It explains how it simplifies encoder usage and boosts system performance, suitable for various applications.

In order to make a pause or wait for the task in Arduino, the most widely used function is delay(), but sometimes it was cause some problem, in this article it will discuss it, and shows how to use f...

How to Use ESP32 and WS2812B to Create Stunning LED Displays Hey there! You know how when you're learning to work with hardware, the first thing you usually do is make an LED blink? It's a fun and ...

Introduction This open-source project demonstrates how to build a multifunctional smart alarm clock using ESP8266 or ESP32 microcontrollers, featuring a network interface, sunrise wake-up light, an...

This tutorial discusses using ESP32 with ChatGPT for voice input and feedback. It covers required hardware, code development, and integration methods.

This tutorial shows how to building a simple IoT application with ESP32, VS Code, and PlatformIO. It covers setup, project creation, coding, uploading, and extending features for IoT development.

This is a Pomodoro timer based on ESP32 with a 4.26-inch black-and-white E-Ink display, featuring a rotary encoder for input. The timer helps manage work and break intervals efficiently.

This article covers the ESP32 DEVKIT V1 pin reference, highlighting GPIO functions. The board has 30 pins and 25 GPIOs for various tasks, including ADC and DAC. Safety for each pin is discussed, aiding project development.

A LED Matrix Message Board with ESP32 This project is an LED matrix message board based on the ESP32 microcontroller. It is capable of connecting to the network and displaying real-time news, weath...

To flash an ESP32, it need to install the ESP32 board support package in the Arduino IDE. Here are the steps to follow: - Connect the ESP32 devolop board to your computer using the USB cable. - Ope...

This article explains how to blink an LED using the ESP32 development board. It includes a component list, circuit diagram, and Arduino code for blinking the LED and creating an LED chaser project for beginners.

Preface In the era of the Internet of Things (IoT), displaying images captured by a camera in real-time on a TFT screen has become a standard feature for many smart devices. ESP32, as a powerful mi...

What is ESPUI ESPUI is a simple web user interface library designed for ESP32 and ESP8266 devices. It enables users to easily create and manage the web interface of their devices without any HTML, ...

This article discusses creating a touch-sensitive button using the ESP32's internal capacitive touch sensors. It details the GPIO pins associated with the sensors and explains how to read touch inputs using Arduino syntax.

The ESP32-P4-EYE is a development kit based on the ESP32-P4 chip, designed for AI vision applications. It offers various features including a 2MP camera, USB connectivity, and a rich set of peripherals.

I will record the note of design a SFP56 Testing board.

This article details how to utilize ESP32's PWM feature to manage LED brightness, covering components, code, and testing.

This post introduces the design of the DCDC chip SY8303 circuit, covering the schematic and PCB drawing processes, along with precautions and tips.

There are serval ways to connect ESP32 to Wi-Fi, in this article we will intorduce it. Provide Wi-Fi ID and password in the code This is the simplest way, but the disadvatage of this way is user n...

This blog explains how to flash or upload a configuration file to ESP32. It details the process using SPIFFS, including creating the file, writing ESP32 code to read it, and uploading it.

TRMNL is a wireless 7.5-inch black-and-white E-Ink display based on the ESP32-C3 RISC-V SoC, offering customizable features, open-source firmware, and API access. It's perfect for DIYers and makers.

MultiButton a powerful and easy-to-use key driver module. It explains its core advantages, usage steps, data structure, supported events, and provides example code.

This article walks through the configuration process of the TFT_eSPI library for a 2.4 inch TFT display powered by the ESP32, detailing setup steps in both a custom header file and the PlatformIO configuration file.

The Bounce2 library is a easy use tool for Arduino platforms, it will help us to solve the problem of erroneous states caused by the tiny vibrations of mechanical key switches when they are closed or opened.

This blog shows you how to use GitHub Actions to automatically update your server when pushing code. It covers generating SSH keys, configuring the server, adding keys to GitHub, creating the workflow, and the final result.

This tutorial explains how to build an IoT application to control a light switch remotely using the ESP32 microcontroller, Wi-Fi, and a relay module.

DHT11 Temperature and Humidity Sensor DHT11 can measure both temperature and humidity, it is a popular, cost-effective sensor. In this article we will discuss how to read temperature and humidity w...

BuzzTech: Machine Learning at the Edge: Deploying YOLOv8 on Raspberry Pi Zero 2W for Real-Time Bee Counting at the Hive Entrance  Intro...

Are you wondering why some of ESP32 development boards are able to auto flash but some of them are not? And if we'd like to design an ESP32 product, how to make it support auto flash? In this artic...

ESP32/Arduino finds the address of I2C device When uses I2C devices, it often needs to check whether the I2C device communicates rightly, or the device's I2C address is set wrong. This code will s...

Introduction With the increasing severity of climate change, people are paying more attention to the weather. As a result, more individuals are starting to install weather displays at home to stay ...

This article focuses on the ESP32 board's PWM capabilities, detailing key terms like TON, TOFF, period, and duty cycle, essential for understanding PWM applications and implementation.

Usage of ESP32 to control the human body infrared module, covering its components, control principle, applications, circuit connection, and code.