Tutorials

Using a Ball Tilt Sensor with ESP32 Introduction A ball tilt sensor is a simple but useful device that can detect the orientation or tilt of an object. It finds applications in various fields such...

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.

This post shows how to remove strikethrough on completed tasks in Obsidian.

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...

Hardware protal The ESP32 microcontroller has two hardware SPI (Serial Peripheral Interface) controllers, which means it can communicate with up to two SPI devices simultaneously. Each SPI controll...

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.

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...

With the aid of VScode and PlatformIO we can create and edit ESP32 projects to improve the efficiency quite a lot. It includes: - Code highlight. - Find the reference function with right click on it...

This post provides the pin name of ESP32 WROOM module and ESP32 DevKitC development board in high resolution and also provides the pdf file for download.

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...

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

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.