KCS V2: mqtt topics status and commands

[sm4l]

Suggested Topic & Payload
SUBSCRIBE MQTT Topic:
KC686-A6/SELFMACADRESS/status

Payload (published every 60 seconds by esp):
{
  "sku": "KC686-A6",
  "version": "XX.XXX.XX",
  "mac": "SELFMACADRESS",
  "ip": "IP",
  "ssid": "dw360-4g",
  "macrouter": "WIFIMAC",
  "rssi": -64,
  "ut": 125,
  "ts": 1744429741
}

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Publishing Behavior

• Interval: Every 60 seconds
  
• Field  ut : Incremented uptime in minutes since last boot
  
• Field ts : Current Unix timestamp (in seconds)
  
• Purpose: Provides a periodic heartbeat/status update from the device
  

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Suggested Topic & Payload
MQTT Topic:
KC686-A6/SELFMACADRESS/restart
Payload: 1

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restart the board

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Suggested Topic & Payload
MQTT Topic:
KC686-A6/SELFMACADRESS/wifi
Payload: ssid:password

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Switch WIFI credentials