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Published on January 30th, 2020 📆 | 8046 Views ⚑

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ESP-NOW with ESP32 EXPLAINED: Easiest Wireless Communication Between Boards (ESP8266 Compatible)

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

Learn how to establish a two-way communication between two ESP32 boards using ESP-NOW. As an example, two ESP32 boards will exchange sensor readings (with a range in open field up to 220 meters ~ 722 feet).

This protocol also works with the ESP8266 NodeMCU board and we've tested the communication range between the two boards up to 140 meters (approximately 459 feet) in open field. In this experiment both ESP8266 on-board antennas were pointing to each other.

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