DIY Smart Speaker from Old Phone

If you're interested in DIY smart speakers, this article is definitely worth checking out.

If you have an old smartphone that you no longer use but don't want to sell or recycle, you can give it a new life by turning it into a DIY smart speaker. It can function as a desktop clock, play your favorite music, or both. If you're curious about how to DIY one, keep reading!

First, you'll need to work on the DIY casing. The blueprint is shown in the image below:

Next, handle the phone itself. You'll need to connect the power and volume wires, and don't forget to remove the protective board.

After that, it's time to start 3D printing and assembling the parts.

Then, focus on the internal structure. If you don't want to calculate complicated dimensions, you can simply use a sealed box with a diaphragm.

If your phone battery and amplifier can't share power, you'll need to use a separate battery and a single USB port for charging.

Once you've followed all the steps, the finished product should look like the image below:

Here's what the back side looks like:

And that's it—your DIY smart speaker is complete!