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 …
ESP32 Projects
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 …
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 …
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 …
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). …
ESP32 with Load Cell and HX711 Amplifier (Digital Scale)
In this guide, you’ll learn how to create a scale with the ESP32 using a load cell and the HX711 amplifier. First, you’ll learn how to wire the load cell …
Install ESP32 Filesystem Uploader in Arduino IDE
The ESP32 contains a Serial Peripheral Interface Flash File System (SPIFFS). SPIFFS is a lightweight filesystem created for microcontrollers with a flash chip, which is connected by SPI bus, like …
ESP32 with TDS Sensor (Water Quality Sensor)
In this guide, you’ll learn how to use a TDS meter (Total Dissolved Solids) with the ESP32. A TDS meter indicates the total dissolved solids like salts, minerals, and metals, …
ESP32: K-Type Thermocouple with MAX6675 Amplifier
In this guide, you’ll learn how to read temperature using a K-Type Thermocouple with the MAX6675 amplifier with the ESP32 board. A K-type thermocouple is a type of temperature sensor …
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 …
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 …