Mini Speakers Build Sheet
A compact Raspberry Pi voice assistant speaker inspired by a public Blueprint.am project. This page turns the generated concept into a practical shopping list with direct purchase links.
Buy links
| Part | Recommended match | Link |
|---|---|---|
| Main controller | Raspberry Pi Zero 2 W | adafruit.com/product/5291 |
| Microphone array | Seeed ReSpeaker 2-Mics Pi HAT | seeedstudio.com/ReSpeaker-2-Mics-Pi-HAT.html |
| Audio amplifier | Adafruit Stereo 3.7W Class D Audio Amplifier (MAX98306) | adafruit.com/product/987 |
| Speaker | Adafruit 40mm 4 Ohm 5 Watt speaker | adafruit.com/product/3968 |
| Status ring | Adafruit NeoPixel Ring - 12 x 5050 RGB LED | adafruit.com/product/1643 |
| Mute button | 6mm tactile button pack | adafruit.com/product/367 |
| Power adapter | 5V 2A USB power supply | adafruit.com/product/276 |
| MicroSD card | Generic 16GB+ A1 card | amazon.com search |
| Micro-USB cable | Generic power/data cable | amazon.com search |
| M3 heat-set inserts | Brass inserts for printed enclosure | amazon.com search |
| M3 screws | Enclosure screws | amazon.com search |
| M2.5 screws | Pi mounting screws | amazon.com search |
| M2 screws | Speaker / amp screws | amazon.com search |
The Blueprint share names the mechanical hardware but does not specify lengths, so those links intentionally point to search results rather than a fake exact SKU.
Design notes
The original Blueprint concept describes a Wi-Fi enabled voice assistant speaker with a Raspberry Pi Zero W, digital mic array, speaker amplifier, mini speaker, LED ring, and mute button inside a custom 3D-printed enclosure.
- Custom printed parts: enclosure body, speaker grill, top cap, and MCU mount bracket.
- Electrical plan: Pi + I2S mic array + analog stereo amp + single speaker + WS2812B ring + mute button.
- Software plan: voice recognition, wake word, Wi-Fi connectivity, and LED/button control.
What is not off-the-shelf
The enclosure pieces in the original project are custom 3D-printed parts, not retail components. If you want to fully replicate the housing, you will need the STL files or a fresh mechanical design sized to the exact speaker, LED ring, and microphone board you buy.
Source
Based on the public Blueprint.am share for Voice Assistant Speaker, published by drill_sergeant on 2026-04-10.