Smart Speaker | Battery Powered Working Prototype and USB charging

Here’s a video:

Not much further explanation needed for this post. The design process for delivering power to all components of the system is complete. The topology is pretty simple:

12v Battery -> switch on positive rail -> 5v Switching Regulator & 12v rail -> Amp & 5v Linear Regulator -> Arduino

If you have any questions, please let me know.


Hey! This post was written a long time ago, but I'm leaving it up on the off-chance it may help someone. Proceed with caution. It may not be a good idea to blindly integrate this code or work into your project, but instead use it as a starting point.

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