This guide shows how to save data permanently on the ESP32 flash memory using the Preferences.h library. The data held in the flash memory persists across resets or power failures. …
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 …
Learn how to use the MPU-6050 accelerometer and gyroscope module with the Arduino board. The MPU-6050 IMU (Inertial Measurement Unit) is a 3-axis accelerometer and 3-axis gyroscope sensor. The accelerometer …
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 …
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 …
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 …
This quick guide shows how to get epoch/unix time using the ESP826 NodeMCU board with Arduino IDE. Getting the epoch time can be useful to timestamp your readings, give unique …
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 ESP8266 NodeMCU. The MPU-6050 IMU (Inertial Measurement Unit) is a 3-axis accelerometer and 3-axis …
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 …
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 …
Learn how to upload files to the ESP8266 NodeMCU board filesystem (LittleFS) using VS Code with the PlatformIO IDE extension (quick and easy). Using the filesystem with the ESP8266 can …
Learn how to publish BME680 sensor readings (temperature, humidity, pressure and gas air quality) via MQTT with the ESP8266 NodeMCU to any platform that supports MQTT or any MQTT client. …
This tutorial is a step-by-step guide that covers how to build a standalone ESP32 or ESP8266 NodeMCU Web Server that displays BME280 sensor readings using MicroPython firmware. We’ll create an …