ESP32 with BH1750 Ambient Light Sensor
The BH1750 is a 16-bit ambient light sensor. In this guide, you’ll learn how to use the BH1750 ambient light sensor with the ESP32 board using Arduino IDE. The sensor …
Getting Started with Thonny MicroPython (Python) IDE for ESP32 and ESP8266
If you want to program your ESP32 and ESP8266 with MicroPython firmware, it’s very handy to use an IDE. In this guide, we’ll introduce you to Thonny IDE. After completing this …
MicroPython IDEs for ESP32 and ESP8266
This article shows a list of IDEs compatible with MicroPython that you can use to program your ESP32 and ESP8266 boards. Do you want to start learning MicroPython, but you …
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 …
ESP32/ESP8266: Firebase Data Logging Web App (Gauges, Charts, and Table)
In this project, you’ll create a Firebase Web App that displays all the sensor readings saved on the Firebase Realtime Database. We’ll create a web interface with gauges, charts, and …
ESP8266 NodeMCU Data Logging to Firebase Realtime Database
In this guide, you’ll learn how to log data with the ESP8266 NodeMCU to the Firebase Realtime Database with timestamps (data logging) so that you have a record of your …
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 …
ESP32 Data Logging to Firebase Realtime Database
In this guide, you’ll learn how to log data with the ESP32 to the Firebase Realtime Database with timestamps (data logging) so that you have a record of your data …
ESP32-CAM: Display Pictures in Firebase Web App
In this guide, you’ll create a Firebase Web App to display the last picture taken with an ESP32-CAM saved in the Firebase Storage. The Web App also shows the date …
[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 …
What is MQTT and How It Works
In this article, we’re going to introduce you to the MQTT protocol. MQTT stands for Message Queuing Telemetry Transport.
Testing Mosquitto Broker and Client on Raspberry Pi
In this tutorial, you’re going to test the Mosquitto MQTT Broker and MQTT Client on a Raspberry Pi. You’ll subscribe the MQTT client to an MQTT topic and publish sample messages. …