Make a Voice Clock with MicroPython

image via ndenki, hackster.io

 

Hackster.io user ndenki made a clock that sparkles, speaks the time, and to help beginners learn about async/await:

While the device itself is a practical daily tool, I built it with a secondary, hidden purpose: to create a real-world tutorial for MicroPython’s async/await.

Learning programming syntax from a textbook can be boring. But when you try to control hardware—syncing Wi-Fi, animating LEDs, playing audio, and scheduling alarms all at once—you quickly realize why asynchronous programming is essential.

This project is designed to show beginners exactly why and how to use async/await in embedded systems instead of relying on blocking functions like MicroPython’s time.sleep() or Arduino’s delay(), which prevent other tasks from running while they wait.

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