Tutorials
ESP32 development tutorials and guides

ESP32/Arduino Scan Device I2C Address
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...

How to Blink a LED with ESP32
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.

Flash Code to ESP32 by Arduino IDE
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...

Introduction to the Powerful MultiButton Key Driver Module
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.

ESP32 Voice Record and upload
Hardware INMP441  SCK -> GPIO 14 (I2S Clock) WS -> GPIO 15 (I2S Word Select) SD -> GPIO 32 (I2S Data) ESP32 GND -> INMP441 GND ESP32 VIN (3...

Deploy to Server with GitHub Actions
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.

How to Connect ESP32 to Wi-Fi?
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...