Home Assistant / Zigbee Smart Siren

Home Assistant Wi-Fi Siren Enclosure (ESP Relay + 9/12 V Siren)

A compact 3D-printable enclosure for a 9/12 V siren and Wi-Fi relay board, ideal for smart-home alarm integrations with Home Assistant, ESPHome, or Tasmota.
The housing keeps electronics protected, provides clean cable routing, and looks neat when wall-mounted.

🧩 Parts Used

12 V piezo siren → AliExpress link

Wi-Fi relay control board (ESP8266) → AliExpress link

9 V DC power supply

Optional: toggle switch for manual trigger

⚙️ Features

Fits most 85–90 mm diameter sirens

Internal space for ESP8266/ESP32 Wi-Fi relay board

Front ventilation slots for cooling and LED visibility

Clean front-mounted siren design

Wall-mount screw holes (x4, M3)

💡 Operation

Manual mode

Simple toggle switch control