{
  "id": "hobby/components-mlink-1-2-4-channel-i2c-relay",
  "vendor": "Hobby",
  "model": "Components mLink 1/2/4 channel I2C relay",
  "category": "switch",
  "status": "open-firmware",
  "projects": [
    {
      "name": "ESPHome",
      "url": "https://devices.esphome.io/devices/hobbycomponents-mlink-relay/",
      "kind": "firmware"
    }
  ],
  "install": [
    {
      "project": "ESPHome",
      "guide": "https://devices.esphome.io/devices/hobbycomponents-mlink-relay/",
      "difficulty": "hard",
      "opens_device": true,
      "brick_risk": "low",
      "reversible": "partial",
      "method": "serial",
      "tools": [
        "USB-serial adapter, 3.3 V"
      ]
    }
  ],
  "provenance": {
    "sources": [
      "esphome"
    ]
  },
  "updated": "2026-10-17"
}