ESP8266 NodeMCU: Erase Flash Memory (Factory Reset)
This quick guide provides instructions on how to erase the ESP8266 NodeMCU flash memory to restore it to its original state. We’ll be using a tool called esptool.py. Restoring the …
Run Your Cloud MQTT Mosquitto Broker (access from anywhere using Digital Ocean)
Learn how to install Mosquitto Broker for MQTT communication on a Linux Ubuntu VM (Virtual Machine) using Digital Ocean. Running an MQTT Mosquitto Broker in the cloud allows you to …
ESP32: Erase Flash Memory (Factory Reset)
This is a quick guide showing how to erase the ESP32 flash memory to restore it to its original state. This might be useful if you want to delete any …
Getting Started with the Freenove ESP32-Wrover CAM Board
This is a quick getting started guide for the Freenove ESP32-Wrover CAM board. This board features an OV2640 camera, several GPIOs to connect peripherals, and a built-in programmer with a …
7 Different Ways to Send Notifications with the ESP32
In this guide, we’ll show you seven different ways to send notifications with the ESP32. We’ll cover sending SMS, emails, WhatsApp messages, and Telegram messages. We’ll show you different options …
Programming Raspberry Pi Remotely using VS Code (Remote-SSH)
In this tutorial, we’ll show you a practical way to create and execute files remotely on your Raspberry Pi using VS Code on your computer. All you have to do …
MicroPython: Send Sensor Readings via email with the ESP32/ESP826 (BME280)
In this tutorial, you’ll learn how to program the ESP32 and ESP8266 boards with MicroPython to send sensor readings to your email. As an example, we’ll send temperature, humidity, and …
MicroPython: Send Emails with the ESP32/ESP826
Learn how to program the ESP32 or ESP8266 NodeMCU boards with MicroPython to send emails using an SMTP server. This feature can be useful in your automation and IoT projects …
ESP8266 NodeMCU HTTPS Requests (Arduino IDE)
In this guide, you’ll learn how to make HTTPS requests with the ESP8266 NodeMCU board. We’ll introduce you to some HTTPS fundamental concepts and provide several examples: HTTPS requests without …
SMART HOME with Raspberry Pi, ESP32, and ESP8266 eBook
SMART HOME with Raspberry Pi, ESP32, and ESP8266 Learn Node-RED and InfluxDB on a Raspberry Pi to build a Home Automation System with the ESP32 and ESP8266. GET THE EBOOK …
MicroPython: Send Messages to WhatsApp with the ESP32/ESP826
Learn how to program your ESP32 and ESP8266 boards with MicroPython to send messages to your WhatsApp account. This can be useful to receive notifications from your board with sensor …
Year in Review 2022 – Random Nerd Tutorials
The new year is just around the corner. This means it’s time for a Year in Review. We’ll share with you a summary of what happened throughout 2022 on the …
Send SMS with the ESP32 (Twilio)
This guide shows how to send SMS with the ESP32 using an online service called Twilio. With this service, you can send SMS with the ESP32 without needing a GSM …
ESP32 HTTPS Requests (Arduino IDE)
In this guide, you’ll learn how to make HTTPS requests with the ESP32. We’ll introduce you to some HTTPS fundamental concepts and provide several examples (with and without certificates) using …