In this tutorial, you’ll learn how to build an ESP32 web server to serve files from a microSD card using a microSD card module that communicates using SPI protocol. You’ll …
CONTINUE READING »ESP32 Web Server Hosting Files from MicroSD Card
This article is a compilation of useful Wi-Fi functions for the ESP32. We’ll cover the following topics: scan Wi-Fi networks, connect to a Wi-Fi network, get Wi-Fi connection strength, check …
CONTINUE READING »ESP32 Useful Wi-Fi Library Functions (Arduino IDE)
This quick guide shows how you can reconnect your ESP32 to a Wi-Fi network after losing the connection. This can be useful in the following scenarios: the ESP32 temporarily loses …
CONTINUE READING »[SOLVED] Reconnect ESP32 to Wi-Fi Network After Lost Connection
This quick guide shows how to get epoch/unix time using the ESP32 board with Arduino IDE. Getting the epoch time can be useful to timestamp your readings, give unique names …
CONTINUE READING »Get Epoch/Unix Time with the ESP32 (Arduino)
In this project we’ll build a web server with the ESP32 to display readings from the MPU-6050 accelerometer and gyroscope sensor. We’ll also create a 3D representation of the sensor …
In this guide you’ll learn how to use the MPU-6050 accelerometer and gyroscope module with the ESP32. The MPU-6050 IMU (Inertial Measurement Unit) is a 3-axis accelerometer and 3-axis gyroscope …
CONTINUE READING »ESP32 with MPU-6050 Accelerometer, Gyroscope and Temperature Sensor (Arduino)
Learn how to upload files to the ESP32 board filesystem (SPIFFS) using VS Code with the PlatformIO IDE extension (quick and easy). Using the filesystem with the ESP32 can be …
CONTINUE READING »ESP32 with VS Code and PlatformIO: Upload Files to Filesystem (SPIFFS)
In this project, you’ll learn how to build a Weather Station Interface PCB Shield for the ESP32 development board. The PCB features a BME280 temperature, humidity and pressure sensor, a …
Learn how to use ESP-MESH networking protocol to build a mesh network with the ESP32 and ESP8266 NodeMCU boards. ESP-MESH allows multiple devices (nodes) to communicate with each other under …
CONTINUE READING »ESP-MESH with ESP32 and ESP8266: Getting Started (painlessMesh library)
Learn how to publish BME680 sensor readings (temperature, humidity, pressure and gas air quality) via MQTT with the ESP32 to any platform that supports MQTT or any MQTT client. As …
This guide shows how to connect the TTGO T-Call ESP32 SIM800L board to the Internet using a SIM card data plan and publish/subscribe to a cloud MQTT broker without using …
CONTINUE READING »Connect ESP32 to Cloud MQTT Broker (TTGO T-Call ESP32 SIM800L)
This tutorial shows how to use Server-Sent Events (SSE) in an ESP32 Web Server programmed with Arduino IDE. SSE allows the browser to receive automatic updates from a server via …
CONTINUE READING »ESP32 Web Server using Server-Sent Events (Update Sensor Readings Automatically)
In this tutorial you’ll learn how to build a web server with the ESP32 using WebSocket communication protocol. As an example, we’ll show you how to build a web page …
CONTINUE READING »ESP32 WebSocket Server: Control Outputs (Arduino IDE)
Learn how to program the ESP32 and ESP8266 NodeMCU boards using VS Code (Microsoft Visual Studio Code) with PlatformIO IDE extension. We cover how to install the software on Windows, …