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 Used12 V piezo siren → AliExpress linkWi-Fi relay control board (ESP8266) → AliExpress link9 V DC power supplyOptional: toggle switch for manual trigger⚙️ FeaturesFits most 85–90 mm diameter sirensInternal space for ESP8266/ESP32 Wi-Fi relay boardFront ventilation slots for cooling and LED visibilityClean front-mounted siren designWall-mount screw holes (x4, M3)💡 OperationManual modeSimple toggle switch control