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 …
ESP32 Projects
ESP32/ESP8266: Send BME280 Sensor Readings to InfluxDB
In this guide, you’ll learn how to send BME280 sensor readings to InfluxDB using the ESP32 or ESP8266 boards. InfluxDB is a time series database. Each record on the database …
ESP32: Getting Started with InfluxDB
This guide will get you started quickly with InfluxDB using the ESP32 board. InfluxDB is an open-source time series database (TSDB). So, it is ideal to store sensor data with …
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 …
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 …
ESP32/ESP8266 with HTTPS and SSL/TLS Encryption: Basic Concepts
This article is a quick and simple introduction to HTTPS and SSL/TLS encryption with the ESP32 and ESP8266 NodeMCU board. We’ll take a look at some concepts and terms that …
ESP32: Send Messages to WhatsApp
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 …
Getting Started with the ESP32 Development Board
New to ESP32? Start here! The ESP32 is a series of low-cost and low-power System on a Chip (SoC) microcontrollers developed by Espressif that include Wi-Fi and Bluetooth wireless capabilities …
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 …
ESP32: ESP-NOW Encrypted Messages
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 …
ESP-NOW: Auto-pairing for ESP32/ESP8266 with Bidirectional Communication and Web Server
This guide shows how to build an ESP32 web server and use ESP-NOW communication protocol simultaneously. We’ll show you how to establish a two-way communication between the master (web server) …
LILYGO T-SIM7000G ESP32: Get GPS Data (Latitude, Longitude, Altitude, and more)
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 …
Getting Started with LILYGO T-SIM7000G ESP32 (LTE, GPRS, and 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 …