The build relies on that old stalwart, the Arduino Uno, to run the show. It’s hooked up to a DS3231 real-time clock module so it can keep accurate time for long periods, as is befitting a clock.

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 ...

You address it as Arduino. Then it beeps and you can speak a command. There’s also a real-time clock module. Setting up the MOVI is simple: recognizer.init(); // Initialize MOVI (waits for it to ...

The system here monitors temperature, humidity, and smoke levels and alerts you if those levels reach a certain point.