ESP-NOW: Easiest Wireless Communication Between ESP Boards (ESP-32 and ESP8266 Compatible)

ESP-NOW is a fast connectionless communication protocol developed by Espressif that features short packet transmission and allows multiple boards (ESP-32 and ESP8266 Compatible) to exchange data without using Wi-Fi.


For complete project details (schematics + source code), visit https://randomnerdtutorials.com/esp-now-two-way-communication-esp32/
Getting Started with ESP-NOW on ESP32 ~ https://randomnerdtutorials.com/esp-now-esp32-arduino-ide/
Getting Started with ESP-NOW on ESP8266 ~ https://randomnerdtutorials.com/esp-now-esp8266-nodemcu-arduino-ide/

Identify ESP32 Modules

Espressif designs and manufactures different modules and development boards, such as ESP32-WROOM-32, ESP32-SOLO-1, ...etc. So what it means?

You can identify the key characteristics by the modules name in the page https://docs.espressif.com/projects/esp-idf/en/latest/hw-reference/modules-and-boards.html.

Arduino IoT Cloud now support for ESP8266

 You can now add ESP8266 module to your Arduino IoT Cloud and control it using intuitive web-based Dashboard.

Source:
- Arduino Blog > Arduino IoT Cloud: Support for ESP8266 and other third party boards
- Arduino IoT Cloud