ESP32: How to Log Data (10 Different Ways)
In this article, we’ll share ten different methods to log and save data with the ESP32. Would you like to monitor a specific sensor with the ESP32 and keep track …
ESP32 Projects
ESP32: I2C Scanner (Arduino IDE) – Finding the Address of I2C Devices
This is a quick guide that shows how to find the address of I2C devices with the ESP32 programmed using Arduino IDE. Want to learn more about I2C with the …
ESP32 Datalogging to Google Sheets (using Google Service Account)
In this project, you’ll learn how to log data to Google Sheets with the ESP32 securely and reliably using a Google Service Account and Google Sheets API. We’ll use the …
ESP32 with Bluetooth and Bluetooth Low Energy: The Ultimate Guide
In this guide, we’ll provide you with all the information to master Bluetooth (Classic and Low Energy) with the ESP32 in no time. ESP32 boards are great for IoT projects …
ESP32 Web Bluetooth (BLE): Getting Started Guide
This guide provides a beginner-friendly introduction to using Web Bluetooth with the ESP32. We’ll explain what Web Bluetooth is and walk you through creating a web application for interacting with …
ESP32 BLE Peripheral (Server): Environmental Sensing Service
In this guide, you’ll learn how to set up the ESP32 as a BLE Peripheral (or BLE Server) with an Environmental Sensing Service. This service exposes measurement data from environmental …
ESP32: Write Data to a File (LittleFS) – Arduino IDE
In this guide, you’ll learn how to write and save data permanently to a file saved on the ESP32 filesystem (LittleFS). LittleFS is a lightweight filesystem created for microcontrollers that …
ESP32 with RCWL-0516 Microwave Radar Proximity Sensor (Arduino IDE)
In this guide, you’ll learn how to use the RCWL-0516 Microwave Radar Proximity sensor to detect motion with the ESP32. We’ll show you how to wire the sensor to the …
ESP32: 29 Free Guides for Sensors and Modules
There is a wide variety of sensors, modules, and peripherals compatible with the ESP32 boards. We have tutorials for the most popular components. This article is a compilation of 29 …
ESP32 WebSocket Server: Display Sensor Readings
In this guide, you’ll learn how to create a WebSocket server with the ESP32 to display sensor readings on a web page. Whenever the ESP32 has new readings available, the …
ESP32: Upload Files to LittleFS using Arduino IDE
In this guide, you’ll learn how to upload files to the ESP32 Filesystem (LittleFS) by using a plugin for Arduino IDE (1.8.X). LittleFS is a lightweight filesystem created for microcontrollers …
ESP32: Send Pushover Notifications (Arduino IDE)
In this guide, you’ll learn how to send ESP32 notifications to Pushover. Pushover is a notification service that integrates with many applications. You can send push notifications to all of …
Control ESP32 and ESP8266 GPIOs from Anywhere in the World
In this project, you’ll learn how to control your ESP32 or ESP8266 GPIOs from anywhere in the world. This can be very useful to control a relay, a thermostat, or …
DIY Cloud Weather Station with ESP32/ESP8266 (MySQL Database and PHP)
Build a cloud weather station dashboard to visualize your ESP32 or ESP8266 sensor readings from anywhere in the world. You’ll visualize your sensor data displayed on gauges and on a …