Discover how to build a real-time event notification system by integrating NodeMCU (Arduino) with Google Firebase and Laravel. This tutorial covers the complete setup, from hardware to cloud and ...

The R4 WiFi is already equipped with Wi-Fi communication, thanks to the onboard ESP32-S3 module, which the Rev3 lacks. The R4 WiFi's Wi-Fi feature offers speeds of up to 150 Mbps and can function ...