<ul><li>The ESP8266 has been a widely popular Wi-Fi module for IoT projects but new alternatives have emerged in 2025.</li><li>Reasons for seeking alternatives include limited processing power, lack of BLE support, higher power consumption, security concerns, and limited GPIOs.</li><li>The best alternatives in 2025 include ESP32, Raspberry Pi Pico W, nRF52840, Wio Terminal, STM32WB55, and Realtek RTL8720DN.</li><li>Each alternative offers unique features and is suitable for different use cases such as smart home automation, industrial IoT, low-power IoT, and more.</li></ul>

Best Alternatives to ESP8266 in 2025

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