{
  "id": "dy-rq400a/tuya-combustible-gas-alarm",
  "vendor": "DY-RQ400A",
  "model": "Tuya Combustible Gas Alarm",
  "category": "sensor",
  "identifiers": {
    "chips": [
      "BK72xx"
    ]
  },
  "status": "open-firmware",
  "projects": [
    {
      "name": "ESPHome",
      "url": "https://devices.esphome.io/devices/tuya-dy-rq400a-combustible-gas-alarm/",
      "kind": "firmware"
    }
  ],
  "install": [
    {
      "project": "ESPHome",
      "guide": "https://devices.esphome.io/devices/tuya-dy-rq400a-combustible-gas-alarm/",
      "difficulty": "hard",
      "opens_device": true,
      "brick_risk": "low",
      "reversible": "partial",
      "method": "serial",
      "tools": [
        "USB-serial adapter, 3.3 V"
      ],
      "notes": "Beken/Realtek/Lightning chip: the ESPHome web installer does not flash it; use ltchiptool (LibreTiny)."
    }
  ],
  "provenance": {
    "sources": [
      "esphome"
    ]
  },
  "updated": "2026-10-17"
}