ESP32: Create a Wi-Fi Manager (AsyncWebServer library)
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 …
ESP32
ESP32/ESP8266: Firebase Web App to Display Sensor Readings (with Authentication)
In this guide, you’ll create a Firebase Web App to display sensor readings saved on the Firebase Realtime Database. The sensor readings web page is protected with authentication with email …
ESP32/ESP8266 Firebase: Send BME280 Sensor Readings to the Realtime Database
In this guide, you’ll learn how to send BME280 sensor readings to the Firebase Realtime Database using the ESP32 or ESP8266 NodeMCU boards. The ESP board will authenticate as a …
ESP32 NTP Time – Setting Up Timezones and Daylight Saving Time
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 …
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 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/ESP8266: Firebase Authentication (Email and Password)
In this guide, you’ll learn how to authenticate to Firebase using your ESP32 or ESP8266 board with an email and password. This is useful for restricting or allowing access to …
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 …
ESP32 with Firebase – Creating a Web App
This guide will teach you how to create a simple Firebase Web App to control and monitor your ESP32 board. The Web App you’ll create can be accessed worldwide to …
ESP32: Getting Started with Firebase (Realtime Database)
This guide will get you started quickly with Firebase using the ESP32 board. Firebase is Google’s mobile application development platform that includes many services to manage data from IOS, Android, …
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 …