The ESP32 contains a Serial Peripheral Interface Flash File System (SPIFFS). SPIFFS is a lightweight filesystem created for microcontrollers with a flash chip, which is connected by SPI bus, like …
In this guide, you’ll learn how to use a TDS meter (Total Dissolved Solids) with the ESP32. A TDS meter indicates the total dissolved solids like salts, minerals, and metals, …
In this guide, you’ll learn how to read temperature using a K-Type Thermocouple with the MAX6675 amplifier with the ESP32 board. A K-type thermocouple is a type of temperature sensor …
The BH1750 is a 16-bit ambient light sensor. In this guide, you’ll learn how to use the BH1750 ambient light sensor with the ESP32 board using Arduino IDE. The sensor …
In this guide, you’ll create and set up a Wi-Fi Manager with the ESPAsyncWebServer library that you can modify to use with your web server projects or with any project …
In this tutorial, you’ll learn how to properly get the time with the ESP32 for your timezone and consider daylight saving time (if that’s the case). The ESP32 will request …
Learn how to build a web server with the ESP32 to display sensor readings in gauges. As an example, we’ll display temperature and humidity from a BME280 sensor in two …
Learn how to make a BLE (Bluetooth Low Energy) connection between two ESP32 boards. One ESP32 is going to be the server, and the other ESP32 will be the client. …
In this project, you’re going to monitor the status of a door using an ESP32 board and a magnetic reed switch. You’ll receive a message in your Telegram account whenever the door changes …
In this guide you’ll learn how to create a web server with the ESP32 that displays a web page to control a stepper motor. The web page allows you to …
In this tutorial, you’ll learn how to create a web server with the ESP32 to control a stepper motor remotely. The web server displays a web page with an HTML …
In this project, you’re going to monitor the status of a door using an ESP32 board and a magnetic reed switch. You’ll receive an email notification whenever the door changes state: opened or …
In this guide, you’ll learn how to expand the I2C bus ports (ESP32, ESP8266, Arduino) using the TCA9458A 1-to-8 I2C Multiplexer. This piece of hardware is useful if you want …
In this guide, you’ll learn how to control a stepper motor with the ESP32. We’ll use the 28BYJ-48 unipolar stepper motor with the ULN2003 motor driver. The ESP32 board will …