A Raspberry Pi doesn't have built in memory, so you're going to have to fix that if you're making a smart mirror. The software you're loading onto it has to live somewhere.

Although you can install it on Windows or Linux, you can also run it on a compact device like a Raspberry Pi. Octoprint recommends Raspberry Pi 3B, 3B+, 4B, or Zero 2 hardware for the software.

Using a Raspberry Pi mini PC as the core Srivishnu has been able to create his smart mirror for less than $80. This includes creating your very own wooden framework.

If not, you can install it and turn it on by opening up Terminal on your Raspberry Pi and typing in a few commands: Type in sudo apt-get update and press Enter.

Any Raspberry Pi will work, although [Nathan] uses a Pi B+. Although he managed to score a free one-way mirror from a local glass shop, you can buy one for about $13.