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M5Stack Cardputer

Audio Stream Server

Live audio from the Cardputer microphone to any browser on your network: a pocket baby monitor or room mic.

Chipnik catalog@chipnik-catalog
M5Stack CardputerNo solderingAbout 5 minNeeds Wi-FiLicense MITSource on GitHub

What you need

Board
M5Stack Cardputer
Parts
Nothing else, the board is enough
Also
Wi-Fi network

Audio Stream Server streams sound from the Cardputer's built-in microphone over Wi-Fi. Open the address shown on the screen in any browser on the same network and you hear the room live. Handy as a baby monitor, a pet listener or a quick wireless microphone. Original project by geo-tp on GitHub, MIT. Chipnik hosts the release binaries unchanged so you can flash them from the browser.

Pick your Wi-Fi network on the Cardputer keyboard at start. Listen only where everyone in the room knows about it.

Firmware files come from the v1.11 release.

After flashing

  • The board restarts by itself when flashing is done.
  • The project needs Wi-Fi. How to connect it is in the project text or in the source repository.
  • If nothing happens, press the RST (EN) button once.

Flashing failed or the board behaves oddly

Versions

1.11.0 added to Chipnik 2026-11-05

Release v1.11 of geo-tp/M5Cardputer-Audio-Stream-Server, files unchanged. Release notes on GitHub

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