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 …
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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) …
ESP8266 NodeMCU: ESP-NOW Web Server Sensor Dashboard (ESP-NOW + Wi-Fi)
In this project you’ll learn how to host a web server with the ESP8266 NodeMCU board and use ESP-NOW communication protocol at the same time. You can have several ESP8266 …
ESP32: ESP-NOW Web Server Sensor Dashboard (ESP-NOW + Wi-Fi)
In this project, you’ll learn how to host an ESP32 web server and use ESP-NOW communication protocol at the same time. You can have several ESP32 boards sending sensor readings …
ESP-NOW with ESP8266: Receive Data from Multiple Boards (many-to-one)
This tutorial shows how to setup an ESP8266 board to receive data from multiple ESP8266 boards via ESP-NOW communication protocol (many-to-one configuration). This configuration is ideal if you want to …
ESP-NOW with ESP8266: Send Data to Multiple Boards (one-to-many)
In this tutorial you’ll learn how to use ESP-NOW communication protocol to send data from one ESP8266 NodeMCU board to multiple ESP8266 boards (one-to-many configuration). The boards will be programmed …
ESP-NOW Two-Way Communication Between ESP8266 NodeMCU Boards
Learn how to establish a two-way communication between two ESP8266 NodeMCU boards using ESP-NOW communication protocol. As an example, two ESP8266 boards will exchange DHT sensor readings. We’ll use Arduino …
ESP-NOW with ESP32: Receive Data from Multiple Boards (many-to-one)
This tutorial shows how to set up an ESP32 board to receive data from multiple ESP32 boards via ESP-NOW communication protocol (many-to-one configuration). This configuration is ideal if you want …
ESP-NOW with ESP32: Send Data to Multiple Boards (one-to-many)
In this tutorial, you’ll learn how to use ESP-NOW communication protocol to send data from one ESP32 to multiple ESP32 or ESP8266 boards (one-to-many configuration). The boards will be programmed …
Getting Started with ESP-NOW (ESP8266 NodeMCU with Arduino IDE)
In this article, we’ll show you how you can use ESP-NOW to exchange data between ESP8266 NodeMCU boards programmed with Arduino IDE. ESP-NOW is a connectionless communication protocol developed by …
ESP-NOW Two-Way Communication Between ESP32 Boards
In this guide, we’ll show you how to establish a two-way communication between two ESP32 boards using ESP-NOW communication protocol. As an example, two ESP32 boards will exchange sensor readings …
Getting Started with ESP-NOW (ESP32 with Arduino IDE)
Learn how to use ESP-NOW to exchange data between ESP32 boards programmed with Arduino IDE. ESP-NOW is a connectionless communication protocol developed by Espressif that features short packet transmission. This …
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 BLE Server and Client (Bluetooth Low Energy)
Learn how to make a BLE (Bluetooth Low Energy) connection between two ESP32 boards. One ESP32 is going to be the server, and the other ESP32 will be the client. …