ESP32: Guide for MicroSD Card Module using Arduino IDE
This guide shows how to use a microSD card with the ESP32: you’ll learn how to read and write files to the microSD card. To interface the microSD card with …
ESP32 OTA (Over-the-Air) Updates – AsyncElegantOTA using Arduino IDE
In this guide, you’ll learn how to do over-the-air (OTA) updates to your ESP32 boards using the AsyncElegantOTA library. This library creates a web server that allows you to upload …
ESP32 Save Data Permanently using Preferences Library
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. …
ESP32 Web Server Hosting Files from MicroSD Card
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 …
Arduino Guide for MPU-6050 Accelerometer and Gyroscope Sensor
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 …
ESP32 Useful Wi-Fi Library Functions (Arduino IDE)
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 …
[SOLVED] Reconnect ESP32 to Wi-Fi Network After Lost Connection
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 …
Get Epoch/Unix Time with the ESP32 (Arduino)
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 …
Get Epoch/Unix Time with the ESP8266 NodeMCU (Arduino)
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 …
Upload Code to ESP32-CAM AI-Thinker using ESP32-CAM-MB USB Programmer (easiest way)
Learn how to upload code to the ESP32-CAM AI-Thinker board using the ESP32-CAM-MB micro USB programmer. This is the easiest way to program your ESP32-CAM board. This micro USB programmer …
ESP32 Web Server with MPU-6050 Accelerometer and Gyroscope (3D object representation)
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 …
ESP8266 NodeMCU with MPU-6050 Accelerometer, Gyroscope and Temperature Sensor (Arduino)
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 …
ESP32 with MPU-6050 Accelerometer, Gyroscope and Temperature Sensor (Arduino)
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 …
Year in Review 2020 – Random Nerd Tutorials
2020 is almost over. It’s that time of the year to reflect about what we’ve achieved (or not) throughout this year and set our milestones for next year. In this article, …