{
  "id": "deta/6911ha",
  "vendor": "DETA",
  "model": "6911HA",
  "aliases": [
    "DETA 6911HA Switch",
    "Deta 1 Gang"
  ],
  "category": "switch",
  "identifiers": {
    "chips": [
      "BK7231T",
      "WB3S",
      "ESP8266"
    ]
  },
  "status": "open-firmware",
  "projects": [
    {
      "name": "tuya-cloudcutter",
      "url": "https://github.com/tuya-cloudcutter/tuya-cloudcutter.github.io/blob/master/devices/deta-6911ha-switch.json",
      "kind": "tool",
      "license": "MIT"
    },
    {
      "name": "Tasmota",
      "url": "https://templates.blakadder.com/deta_6911HA.html",
      "kind": "firmware",
      "license": "GPL-3.0"
    }
  ],
  "install": [
    {
      "project": "tuya-cloudcutter",
      "method": "ota-exploit",
      "guide": "https://github.com/tuya-cloudcutter/tuya-cloudcutter/blob/main/INSTRUCTIONS.md",
      "installer": "https://github.com/tuya-cloudcutter/tuya-cloudcutter",
      "difficulty": "medium",
      "tools": [
        "Linux computer (not a VM) with Docker",
        "Spare Wi-Fi adapter that supports AP mode"
      ],
      "opens_device": false,
      "firmware_constraints": "Works only with the Tuya firmware cloudcutter lists for this device: 1.0.7 (SDK 1.0.2-40.00). Check the \"Main Module\" version in the Tuya or Smart Life app and do not update the device first. Firmware built on Tuya's patched SDK (from February 2022) cannot be flashed over the air: serial flashing is the alternative.",
      "notes": "Command line. The device can no longer use the Tuya apps or cloud afterwards."
    },
    {
      "project": "Tasmota",
      "guide": "https://templates.blakadder.com/deta_6911HA.html",
      "method": "ota-exploit",
      "installer": "https://github.com/ct-Open-Source/tuya-convert",
      "difficulty": "medium",
      "tools": [
        "Linux computer with Wi-Fi (e.g. Raspberry Pi)"
      ],
      "opens_device": false,
      "brick_risk": "low",
      "reversible": "partial",
      "firmware_constraints": "tuya-convert only works on Tuya firmware released before its 2020 patch; patched devices must be flashed over serial."
    }
  ],
  "provenance": {
    "sources": [
      "cloudcutter",
      "tasmota"
    ]
  },
  "updated": "2026-10-17",
  "interfaces": [],
  "claims": [],
  "verification": []
}