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ESP32 - Minifan -MQTT server
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omiacoj 909ae9d179
 Add Collective Resonance conductor and updated mask firmware 
- Collective-Resonance/index.html: multi-mask conductor with orbiting voices,
  per-mask pitch/delay, sync-driven harmony, surround output, LED feedback
- Breathing-Sirenas-mask: ESP32 sketch with strongest-hotspot roaming,
  pulseIn timeout, non-retained messages, non-blocking reconnect
- README: document both

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011QyTAZV4w65ZRy6NdDMcF7
2026-10-19 21:31:15 +02:00
Breathing-Sirenas-mask Add Collective Resonance conductor and updated mask firmware 2026-10-19 21:31:15 +02:00
Collective-Resonance Add Collective Resonance conductor and updated mask firmware 2026-10-19 21:31:15 +02:00
images Add files via upload 2021-03-15 19:53:07 +01:00
BREATHING-MQTT-esp32.ino Update BREATHING-MQTT-esp32.ino 2025-04-23 13:04:39 +02:00
breathing-Sirenas.html sawtooth 2021-02-22 22:25:11 +01:00
Breathing-Sirenas_two_masks.mov Add files via upload 2022-06-28 15:21:22 +02:00
Breathing-Sirenas_two_masks.wav Add files via upload 2022-06-28 14:58:54 +02:00
index.html Add files via upload 2025-05-05 12:38:28 +02:00
LICENSE Initial commit 2021-02-20 20:57:02 +01:00
README.md Add Collective Resonance conductor and updated mask firmware 2026-10-19 21:31:15 +02:00

README.md

Breathing-Sirenas

ESP32 - Minifan -MQTT server

Use a portable battery.

Connect it with the breathingmask via micro-usb.

Put the breathing-mask on your face.

Make a wifi-hotspot on your phone

Name it: Accessphone , with the same as password: Accessphone

You will be connected with a mqtt-server (Mosquitto on the Samenschool server).

There all frequencies are gathered and used to produce sirena-sounds,

converted by different oscillators.

Breathing-Sirenas will share all sirenas breathing in the world.

https://user-images.githubusercontent.com/2285363/176190058-468050f3-6c37-4297-a63f-6beb9316696c.mov

Collective Resonance: conductor

Collective-Resonance/index.html, live at https://experiments.samenschool.org/Breathing-Sirenas-Collective-Resonance/

A browser conductor for many breathing masks at once (tested for ~20 people walking freely):

  • every mask becomes a sirena voice that orbits or wanders around the listener
  • per mask: pitch, volume, delay time, echoes, mute, solo, orbit direction (tap a sirena)
  • ensemble: transpose, root note, siren bend, delay for all, room reverb
  • collective resonance: when people breathe together, the sirenas slide into a scale and a shared chord opens; the masks' LEDs light up
  • output: headphones (binaural 3D), stereo, or a speaker ring of 4–16 channels via a multichannel interface
  • "Original sound" checkbox plays reading / 2 Hz like the first version

It connects by itself to wss://ws.samenschool.org/mosquitto and listens on wemos/+/out.

Mask firmware

Breathing-Sirenas-mask/Breathing-Sirenas-mask.ino, the updated version of BREATHING-MQTT-esp32.ino:

  • several phones can make an Accessphone hotspot: the mask joins the strongest one and hops to the nearest when you walk away
  • pulseIn timeout (no more 1 s freezes), no array overflow, non-blocking reconnect
  • messages are not retained (no ghost breaths for new listeners)
  • LED on pin 2 reacts to wemos/esp-<MAC>/in (1 = on)

Arduino IDE: install esp32 by Espressif Systems and the PubSubClient library. If uploading fails, set Tools → Upload Speed to 115200.