Learn how to create a network of wireless sensors using ESP32 and ESP8266 boards with ESP-Now protocol in this comprehensive 26-minute tutorial. Explore the fundamentals of ESP-Now, a wireless communication protocol developed by Espressif for ESP devices. Discover various network designs and follow along with practical examples of transmitting data from an ESP32 to multiple ESP8266 receivers. Set up the Arduino IDE for ESP32 boards, examine transmitter and receiver sketches, and troubleshoot common errors. Gain hands-on experience in modifying existing sketches to work with both ESP32 and ESP8266 boards, enabling you to build versatile wireless sensor networks for your projects.