How to Build a Smart Mirror without Raspberry Pi

Creating a smart mirror without a Raspberry Pi is a fun and engaging DIY project. If you’re not familiar with what a smart mirror is, just picture a mirror that can show you more than

Written by: Beatriz Nunes

Published on: February 18, 2026

Creating a smart mirror without a Raspberry Pi is a fun and engaging DIY project. If you’re not familiar with what a smart mirror is, just picture a mirror that can show you more than just your reflections—a mirror that displays the time, the date, your schedule, and even the weather. Such a concept now exists thanks to the intuitive integration of mirror and monitor. You might think you need a Raspberry Pi to make a smart mirror yourself. But factually, you can create one even without it. In this guide, you’ll learn how to harness the magic of technology to build a smart mirror using an old smartphone or tablet and some basic materials.

Getting Started: Collecting the Materials

To create a smart mirror without a Raspberry Pi, you’ll need the following materials:

1. Old Android Smartphone or Tablet: This device will serve as the brain of your smart mirror. It should be in working condition and capable of connecting to the internet.

2. Two-way mirror or acrylic see-through mirror: Choose the size based on your preference.

3. Black construction paper, duct tape, or black paint: To create a dark background.

4. Picture frame: Select a frame that fits your chosen mirror size.

5. Hot glue gun

6. Mirror Vue Mirror application (Android): This app can convert your device into a smart mirror

Set Up the Device

After collecting all the materials, the first step would be to set up your Android device.

1. Delete unnecessary applications, photos, videos, and files from the smartphone or tablet. This will increase its processing speed and performance.

2. Adjust the device’s brightness settings. Ensure that the brightness can penetrate the two-way mirror.

3. Install the Mirror Vue application and set up the preferences like date, time, weather, and other widgets you prefer to have on your smart mirror.

Prepare your Supporting Material

Now, prepare your mirror and set an appropriate frame for it.

1. Clean the reflective side of the mirror using a gentle microfiber cloth to ensure that there are no fingerprints or marks.

2. Use the hot glue gun to attach construction paper or duct tape around the mirror. This creates a dark background that will enhance the visibility of your display on the mirror.

3. Secure the frame around the mirror. Ensure that the mirror is firmly placed and will not slip out of the frame.

Assemble Your Smart Mirror

1. Place your smartphone or tablet behind the two-way mirror. It is better to position it along the center of the upper edge so that the information displayed will be easily accessible.

2. You can keep the device inclined, or fix it permanently with hot glue or tape. However, remember that you’ll need to remove it regularly for charging.

3. Once you’ve positioned your device, attach the remaining black surrounding material. Make certain that all light emitted by the device should only pass through the two-way mirror.

4. Finally, mount your smart mirror on the wall.

FAQ:

1. Can I Use any Smartphone or Tablet?

Yes, the primary requirement is that it should have internet connectivity and LED Screen. LCD screens are not bright enough to penetrate the two-way mirror.

2. What size of a mirror should I use for a tablet?

The mirror size depends on the size of your device. Choose a mirror that is slightly larger than your smartphone or tablet.

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Note: Remember that safety should be your priority. Handle all tools and equipment carefully, especially the mirror and the hot glue gun. Always disconnect all devices from electricity before starting work on them. Additionally, in most cities, it’s illegal to dispose of batteries, screens, or whole smartphones with your regular trash due to their potentially hazardous content, so ensure proper disposal procedures. Last but not least, creating a smart mirror can be a fun and fulfilling project, but it’s crucial not to rush the process. Move step by step and ensure every part is in place to prevent mishaps or damage to your materials.

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