ESP32 Web Server: Display Sensor Readings in Gauges
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 …
ESP32 Projects
ESP32 BLE Server and Client (Bluetooth Low Energy)
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. …
ESP32 Door Status Monitor with Telegram Notifications
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 …
ESP32 Web Server: Control Stepper Motor (WebSocket)
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 …
ESP32 Web Server: Control Stepper Motor (HTML Form)
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 …
ESP32 Door Status Monitor with Email Notifications (IFTTT)
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 …
Guide for TCA9548A I2C Multiplexer: ESP32, ESP8266, Arduino
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 …
ESP32 with Stepper Motor (28BYJ-48 and ULN2003 Motor Driver)
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 …
ESP32 WebSerial: Web-based Remote Serial Monitor
In this guide, you’ll learn how to create and use a web-based “Serial Monitor” for your ESP32 projects using the WebSerial library. This creates a web-based interface to output debugging …
Altimeter Datalogger: ESP32 with BMP388, MicroSD Card Storage and OLED Display
In this project, we’ll build an altimeter datalogger with the ESP32 and the BMP388 sensor. The BMP388 is a precise pressure sensor that allows us to estimate altitude with great …
ESP32 with HC-SR04 Ultrasonic Sensor with Arduino IDE
This guide shows how to use the HC-SR04 Ultrasonic Sensor with the ESP32 board using the Arduino core. The ultrasonic sensor uses sonar to determine the distance to an object. …
VS Code Workspaces with ESP32 and ESP8266 Projects
In this tutorial, you’ll learn how to deal with workspaces on VS Code to organize your ESP32 and ESP8266 projects. You’ll learn what is a single-folder workspace, a multi-root workspace, …
ESP32 with BMP388 Barometric/Altimeter Sensor (Arduino IDE)
In this guide, you’ll learn how to use the BMP388 pressure sensor with the ESP32 board using Arduino IDE. The BMP388 is a tiny and precise absolute barometric pressure sensor. …
ESP32 Publish Sensor Readings to ThingSpeak (easiest way)
In this guide, you’ll learn how to send sensor readings with the ESP32 to ThingSpeak. For demonstration purposes, we’ll use a BME280 sensor, but you can easily modify the examples …