Koala Satellite voice assistant

A voice assistant you build yourself, with microphones, a speaker, a rotary dial and a physical mute button. AdvancedWi-FiESP32-S3ESPHome

Updated November 2026

Illustration of what you build. See the maker’s guide for photos of the real device.

Can I build this?

Estimated costNot stated
Build timeNot stated
DifficultyAdvanced
Tools3D printer, computer for the online flashing tool
SolderingNot stated (see the assembly instructions in the repository)
3D printingYes: printable enclosure files are in the repository

What you need

  • ESP32-S3 DevKitC
  • ReSpeaker Lite (two far-field microphones)
  • 5 W speaker
  • LED strip
  • Rotary encoder
  • Mute button
  • 3.5 mm line-out jack (optional)

How it works

Board
ESP32-S3 DevKitC with a ReSpeaker Lite board
Connects via
Wi-Fi with ESPHome
Made by
esp32.diy (project by formatBCE)

Good to know

Build itProject guide on esp32.diyFull instructions, wiring and firmware from the maker →

This page summarises the maker’s project; the maker’s own guide is leading. Missing a tool? See In the toolbox. Need a better casing? See 3D printing & enclosures. Keep DIY builds to low voltage (USB or battery).

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