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ESP32: Erase Flash Memory (Factory Reset)

ESP32 Erase Flash Memory Factory Reset esptool.py firmware

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 …

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Getting Started with the Freenove ESP32-Wrover CAM Board

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 …

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7 Different Ways to Send Notifications with the ESP32

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 …

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ESP8266 NodeMCU HTTPS Requests (Arduino IDE)

ESP8266 NodeMCU HTTPS requests Arduino IDE Core

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 …

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Year in Review 2022 – Random Nerd Tutorials

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 …

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ESP32 HTTPS Requests (Arduino IDE)

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 …

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ESP32: Send Messages to WhatsApp

ESP32 Send Messages to WhatsApp Arduino IDE

In this guide, you’ll learn how to send messages to your WhatsApp account with the ESP32. This can be useful to receive notifications from the ESP32 with sensor readings, alert …

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ESP32 Wireless Communication Protocols

ESP32 Wireless Communication Protocols

The ESP32 supports several different wireless communication protocols. Each protocol has its advantages and disadvantages and one can be more suitable than the other depending on the application. This guide …

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ESP32: ESP-NOW Encrypted Messages

ESP32 ESP-NOW Encrypted Messages Arduino IDE

In this guide, you’ll learn how to encrypt ESP-NOW messages exchanged between ESP32 boards. ESP-NOW uses the CCMP method for encryption using a Primary Master Key (PMK) and Local Master …

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LILYGO T-SIM7000G ESP32: Get GPS Data (Latitude, Longitude, Altitude, and more)

LILYGO T-SIM7000G ESP32 Get GPS Data Latitude Longitude Altitude

In this quick guide, you’ll learn how to get GPS data with the LILYGO T-SIM7000G ESP32 board using Arduino IDE. This tutorial is also compatible with a “regular” ESP32 connected …

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Getting Started with LILYGO T-SIM7000G ESP32 (LTE, GPRS, and GPS)

Getting Started with LILYGO T-SIM7000G ESP32 LTE GPRS GPS

Get started with the ESP32 and the SIM7000G LTE/GPS/GPRS module. Throughout this tutorial, we’ll use the LILYGO T-SIM7000G ESP32 board that combines the ESP32 chip, the SIM7000G module, microSD card …

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ESP32: Getting Started with Deta Base (Unlimited and Free Database for Developers)

ESP32 Getting Started with Deta Base Unlimited and Free Database for Developers

Get started with Deta Base using the ESP32 board. Deta Base is a NoSQL database. It is unlimited, free, and easy to use. Additionally, it requires minimal setup. So, it’s …

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ESP32 SPI Communication: Set Pins, Multiple SPI Bus Interfaces, and Peripherals (Arduino IDE)

ESP32 SPI Communication Set Pins Multiple SPI Bus Interfaces and Peripherals Arduino IDE

This is a simple guide about SPI communication protocol with the ESP32 using Arduino IDE. We’ll take a look at the ESP32 SPI pins, how to connect SPI devices, define …

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ESP32 WiFiMulti: Connect to the Strongest Wi-Fi Network (from a list of networks)

ESP32 WiFiMulti Connect to the Strongest Wi-Fi Network from a list of networks

Learn how to use WiFiMulti with the ESP32. It allows you to register multiple networks (SSID/password combinations). The ESP32 will connect to the Wi-Fi network with the strongest signal (RSSI). …

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Learn ESP32 with Arduino IDE eBook » Complete guide to program the ESP32 with Arduino IDE!



SMART HOME with Raspberry Pi, ESP32, and ESP8266 » learn how to build a complete home automation system.



Learn Raspberry Pi Pico/Pico W with MicroPython​ » The complete getting started guide to get the most out of the the Raspberry Pi Pico/Pico W (RP2040) microcontroller board using MicroPython programming language.



🔥 Learn LVGL: Build GUIs for ESP32 Projects​ » Learn how to build Graphical User Interfaces (GUIs) for ESP32 Projects using LVGL (Light Versatile Graphics Library) with the Arduino IDE.

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