MicroPython: Program ESP32/ESP8266 using Mu Editor
In this guide, you’ll learn how to use Mu Editor software to program your ESP32 and ESP8266 boards using MicroPython. Mu Editor is a simple Python editor for beginner programmers …
Sara Santos
ESP8266 NodeMCU: 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 …
[SOLVED] Could not find a valid BME280 sensor, check wiring!
This is a troubleshooting guide for the BME280 temperature, humidity, and pressure sensor when using ESP32, ESP8266, Arduino, or similar boards. If you get an error message in your Serial …
Year in Review 2021 – Random Nerd Tutorials
We’re reaching the end of 2021. As usual, at the end of the year, we share a summary of what happened throughout the current year on the Random Nerd Tutorials …
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 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. …
ESP8266 NodeMCU Door Status Monitor with Telegram Notifications
In this project, you’re going to monitor the status of a door using an ESP8266 NodeMCU board and a magnetic reed switch. You’ll receive a message in your Telegram account whenever the door …
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 …
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 …
ESP32 with Stepper Motor (28BYJ-48 and ULN2003 Motor Driver)
In this guide, you’ll learn how to control a stepper motor with the ESP32. We’ll use the 28BYJ-48 unipolar stepper motor with the ULN2003 motor driver. The ESP32 board will …